char = H;code = 72 char = y;code = 121 char = d;code = 100 char = r;code = 114 char = o;code = 111 char = g;code = 103 char = e;code = 101 char = n;code = 110 char = ;code = 32 char = b;code = 98 char = o;code = 111 char = n;code = 110 char = d;code = 100 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = b;code = 98 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = p;code = 112 char = h;code = 104 char = e;code = 101 char = n;code = 110 char = o;code = 111 char = l;code = 108 char = ;code = 32 char = -;code = 45 char = O;code = 79 char = H;code = 72 char = ;code = 32 char = g;code = 103 char = r;code = 114 char = o;code = 111 char = u;code = 117 char = p;code = 112 char = s;code = 115 char = .;code = 46 result sql = Hydrogen bonding probes of phenol -OH groups.
Hydrogen bonding probes of phenol -OH groups.char = C;code = 67 char = o;code = 111 char = r;code = 114 char = r;code = 114 char = e;code = 101 char = l;code = 108 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = t;code = 116 char = w;code = 119 char = e;code = 101 char = e;code = 101 char = n;code = 110 char = ;code = 32 char = h;code = 104 char = y;code = 121 char = d;code = 100 char = r;code = 114 char = o;code = 111 char = g;code = 103 char = e;code = 101 char = n;code = 110 char = ;code = 32 char = b;code = 98 char = o;code = 111 char = n;code = 110 char = d;code = 100 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = s;code = 115 char = o;code = 111 char = l;code = 108 char = v;code = 118 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = e;code = 101 char = f;code = 102 char = f;code = 102 char = e;code = 101 char = c;code = 99 char = t;code = 116 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = p;code = 112 char = h;code = 104 char = e;code = 101 char = n;code = 110 char = o;code = 111 char = l;code = 108 char = ;code = 32 char = -;code = 45 char = O;code = 79 char = H;code = 72 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = t;code = 116 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = s;code = 115 char = h;code = 104 char = i;code = 105 char = e;code = 101 char = l;code = 108 char = d;code = 100 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = s;code = 115 char = ,;code = 44 char = ;code = 32 char = t;code = 116 char = e;code = 101 char = m;code = 109 char = p;code = 112 char = e;code = 101 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = u;code = 117 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = e;code = 101 char = f;code = 102 char = f;code = 102 char = i;code = 105 char = c;code = 99 char = i;code = 105 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = s;code = 115 char = ;code = 32 char = (;code = 40 char = &;code = 38 char = #;code = 35 char = 9;code = 57 char = 1;code = 49 char = 6;code = 54 char = ;;code = 59 char = &;code = 38 char = #;code = 35 char = 9;code = 57 char = 4;code = 52 char = 8;code = 56 char = ;;code = 59 char = /;code = 47 char = &;code = 38 char = #;code = 35 char = 9;code = 57 char = 1;code = 49 char = 6;code = 54 char = ;;code = 59 char = T;code = 84 char = );code = 41 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = e;code = 101 char = f;code = 102 char = f;code = 102 char = e;code = 101 char = c;code = 99 char = t;code = 116 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = O;code = 79 char = H;code = 72 char = ;code = 32 char = d;code = 100 char = i;code = 105 char = f;code = 102 char = f;code = 102 char = u;code = 117 char = s;code = 115 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = e;code = 101 char = f;code = 102 char = f;code = 102 char = i;code = 105 char = c;code = 99 char = i;code = 105 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = s;code = 115 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = n;code = 110 char = u;code = 117 char = m;code = 109 char = e;code = 101 char = r;code = 114 char = o;code = 111 char = u;code = 117 char = s;code = 115 char = ;code = 32 char = p;code = 112 char = h;code = 104 char = e;code = 101 char = n;code = 110 char = o;code = 111 char = l;code = 108 char = i;code = 105 char = c;code = 99 char = ;code = 32 char = a;code = 97 char = c;code = 99 char = i;code = 105 char = d;code = 100 char = s;code = 115 char = ,;code = 44 char = ;code = 32 char = f;code = 102 char = l;code = 108 char = a;code = 97 char = v;code = 118 char = o;code = 111 char = n;code = 110 char = o;code = 111 char = l;code = 108 char = s;code = 115 char = ,;code = 44 char = ;code = 32 char = f;code = 102 char = l;code = 108 char = a;code = 97 char = v;code = 118 char = o;code = 111 char = n;code = 110 char = e;code = 101 char = s;code = 115 char = ,;code = 44 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = o;code = 111 char = l;code = 108 char = e;code = 101 char = u;code = 117 char = r;code = 114 char = o;code = 111 char = p;code = 112 char = e;code = 101 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = d;code = 100 char = e;code = 101 char = r;code = 114 char = i;code = 105 char = v;code = 118 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = v;code = 118 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = b;code = 98 char = i;code = 105 char = o;code = 111 char = l;code = 108 char = o;code = 111 char = g;code = 103 char = i;code = 105 char = c;code = 99 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = t;code = 116 char = ;code = 32 char = w;code = 119 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = v;code = 118 char = e;code = 101 char = s;code = 115 char = t;code = 116 char = i;code = 105 char = g;code = 103 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = s;code = 115 char = e;code = 101 char = v;code = 118 char = e;code = 101 char = r;code = 114 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = o;code = 111 char = r;code = 114 char = g;code = 103 char = a;code = 97 char = n;code = 110 char = i;code = 105 char = c;code = 99 char = ;code = 32 char = s;code = 115 char = o;code = 111 char = l;code = 108 char = v;code = 118 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = w;code = 119 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = h;code = 104 char = o;code = 111 char = w;code = 119 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = s;code = 115 char = e;code = 101 char = r;code = 114 char = v;code = 118 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = l;code = 108 char = i;code = 105 char = a;code = 97 char = b;code = 98 char = l;code = 108 char = e;code = 101 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = d;code = 100 char = i;code = 105 char = c;code = 99 char = a;code = 97 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = h;code = 104 char = y;code = 121 char = d;code = 100 char = r;code = 114 char = o;code = 111 char = g;code = 103 char = e;code = 101 char = n;code = 110 char = ;code = 32 char = b;code = 98 char = o;code = 111 char = n;code = 110 char = d;code = 100 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = s;code = 115 char = o;code = 111 char = l;code = 108 char = v;code = 118 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = -;code = 45 char = O;code = 79 char = H;code = 72 char = ;code = 32 char = g;code = 103 char = r;code = 114 char = o;code = 111 char = u;code = 117 char = p;code = 112 char = s;code = 115 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = e;code = 101 char = m;code = 109 char = p;code = 112 char = e;code = 101 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = u;code = 117 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = e;code = 101 char = f;code = 102 char = f;code = 102 char = i;code = 105 char = c;code = 99 char = i;code = 105 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = s;code = 115 char = ;code = 32 char = s;code = 115 char = p;code = 112 char = a;code = 97 char = n;code = 110 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = r;code = 114 char = a;code = 97 char = n;code = 110 char = g;code = 103 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = -;code = 45 char = 0;code = 48 char = .;code = 46 char = 5;code = 53 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = -;code = 45 char = 1;code = 49 char = 2;code = 50 char = .;code = 46 char = 3;code = 51 char = ;code = 32 char = p;code = 112 char = p;code = 112 char = b;code = 98 char = ;code = 32 char = K;code = 75 char = (;code = 40 char = -;code = 45 char = 1;code = 49 char = );code = 41 char = .;code = 46 char = ;code = 32 char = S;code = 83 char = h;code = 104 char = i;code = 105 char = e;code = 101 char = l;code = 108 char = d;code = 100 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = d;code = 100 char = i;code = 105 char = f;code = 102 char = f;code = 102 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = 2;code = 50 char = .;code = 46 char = 0;code = 48 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = 2;code = 50 char = .;code = 46 char = 9;code = 57 char = ;code = 32 char = p;code = 112 char = p;code = 112 char = m;code = 109 char = ;code = 32 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = 2;code = 50 char = 9;code = 57 char = 8;code = 56 char = ;code = 32 char = K;code = 75 char = ;code = 32 char = w;code = 119 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = b;code = 98 char = s;code = 115 char = e;code = 101 char = r;code = 114 char = v;code = 118 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = s;code = 115 char = o;code = 111 char = l;code = 108 char = v;code = 118 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = e;code = 101 char = x;code = 120 char = p;code = 112 char = o;code = 111 char = s;code = 115 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = O;code = 79 char = H;code = 72 char = ;code = 32 char = g;code = 103 char = r;code = 114 char = o;code = 111 char = u;code = 117 char = p;code = 112 char = s;code = 115 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = t;code = 116 char = w;code = 119 char = e;code = 101 char = e;code = 101 char = n;code = 110 char = ;code = 32 char = D;code = 68 char = M;code = 77 char = S;code = 83 char = O;code = 79 char = -;code = 45 char = d;code = 100 char = (;code = 40 char = 6;code = 54 char = );code = 41 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = C;code = 67 char = D;code = 68 char = (;code = 40 char = 3;code = 51 char = );code = 41 char = C;code = 67 char = N;code = 78 char = ;code = 32 char = w;code = 119 char = h;code = 104 char = i;code = 105 char = c;code = 99 char = h;code = 104 char = ;code = 32 char = s;code = 115 char = h;code = 104 char = o;code = 111 char = u;code = 117 char = l;code = 108 char = d;code = 100 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = m;code = 109 char = p;code = 112 char = a;code = 97 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = w;code = 119 char = i;code = 105 char = t;code = 116 char = h;code = 104 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = s;code = 115 char = h;code = 104 char = i;code = 105 char = e;code = 101 char = l;code = 108 char = d;code = 100 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = r;code = 114 char = a;code = 97 char = n;code = 110 char = g;code = 103 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = ~;code = 126 char = 7;code = 55 char = ;code = 32 char = p;code = 112 char = p;code = 112 char = m;code = 109 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = d;code = 100 char = e;code = 101 char = m;code = 109 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = t;code = 116 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = t;code = 116 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = s;code = 115 char = o;code = 111 char = l;code = 108 char = v;code = 118 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = h;code = 104 char = y;code = 121 char = d;code = 100 char = r;code = 114 char = o;code = 111 char = x;code = 120 char = y;code = 121 char = l;code = 108 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = t;code = 116 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = k;code = 107 char = e;code = 101 char = y;code = 121 char = ;code = 32 char = f;code = 102 char = a;code = 97 char = c;code = 99 char = t;code = 116 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = d;code = 100 char = e;code = 101 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = m;code = 109 char = i;code = 105 char = n;code = 110 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = v;code = 118 char = a;code = 97 char = l;code = 108 char = u;code = 117 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = h;code = 104 char = e;code = 101 char = m;code = 109 char = i;code = 105 char = c;code = 99 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = s;code = 115 char = h;code = 104 char = i;code = 105 char = f;code = 102 char = t;code = 116 char = .;code = 46 char = ;code = 32 char = F;code = 70 char = o;code = 111 char = r;code = 114 char = ;code = 32 char = -;code = 45 char = O;code = 79 char = H;code = 72 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = t;code = 116 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = ;code = 32 char = s;code = 115 char = h;code = 104 char = o;code = 111 char = w;code = 119 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = t;code = 116 char = e;code = 101 char = m;code = 109 char = p;code = 112 char = e;code = 101 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = u;code = 117 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = g;code = 103 char = r;code = 114 char = a;code = 97 char = d;code = 100 char = i;code = 105 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = s;code = 115 char = ;code = 32 char = m;code = 109 char = o;code = 111 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = p;code = 112 char = o;code = 111 char = s;code = 115 char = i;code = 105 char = t;code = 116 char = i;code = 105 char = v;code = 118 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = a;code = 97 char = n;code = 110 char = ;code = 32 char = -;code = 45 char = 2;code = 50 char = .;code = 46 char = 5;code = 53 char = ;code = 32 char = p;code = 112 char = p;code = 112 char = b;code = 98 char = ;code = 32 char = K;code = 75 char = (;code = 40 char = -;code = 45 char = 1;code = 49 char = );code = 41 char = ,;code = 44 char = ;code = 32 char = s;code = 115 char = h;code = 104 char = i;code = 105 char = e;code = 101 char = l;code = 108 char = d;code = 100 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = c;code = 99 char = h;code = 104 char = a;code = 97 char = n;code = 110 char = g;code = 103 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = t;code = 116 char = w;code = 119 char = e;code = 101 char = e;code = 101 char = n;code = 110 char = ;code = 32 char = D;code = 68 char = M;code = 77 char = S;code = 83 char = O;code = 79 char = -;code = 45 char = d;code = 100 char = (;code = 40 char = 6;code = 54 char = );code = 41 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = C;code = 67 char = D;code = 68 char = (;code = 40 char = 3;code = 51 char = );code = 41 char = C;code = 67 char = N;code = 78 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = l;code = 108 char = o;code = 111 char = w;code = 119 char = ;code = 32 char = 0;code = 48 char = .;code = 46 char = 6;code = 54 char = ;code = 32 char = p;code = 112 char = p;code = 112 char = m;code = 109 char = ,;code = 44 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = d;code = 100 char = i;code = 105 char = f;code = 102 char = f;code = 102 char = u;code = 117 char = s;code = 115 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = e;code = 101 char = f;code = 102 char = f;code = 102 char = i;code = 105 char = c;code = 99 char = i;code = 105 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = s;code = 115 char = ;code = 32 char = s;code = 115 char = i;code = 105 char = g;code = 103 char = n;code = 110 char = i;code = 105 char = f;code = 102 char = i;code = 105 char = c;code = 99 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = l;code = 108 char = y;code = 121 char = ;code = 32 char = d;code = 100 char = i;code = 105 char = f;code = 102 char = f;code = 102 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = f;code = 102 char = r;code = 114 char = o;code = 111 char = m;code = 109 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = o;code = 111 char = s;code = 115 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = t;code = 116 char = r;code = 114 char = a;code = 97 char = c;code = 99 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = H;code = 72 char = (;code = 40 char = 2;code = 50 char = );code = 41 char = O;code = 79 char = ,;code = 44 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = t;code = 116 char = r;code = 114 char = a;code = 97 char = m;code = 109 char = o;code = 111 char = l;code = 108 char = e;code = 101 char = c;code = 99 char = u;code = 117 char = l;code = 108 char = a;code = 97 char = r;code = 114 char = ;code = 32 char = h;code = 104 char = y;code = 121 char = d;code = 100 char = r;code = 114 char = o;code = 111 char = g;code = 103 char = e;code = 101 char = n;code = 110 char = ;code = 32 char = b;code = 98 char = o;code = 111 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = i;code = 105 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = v;code = 118 char = i;code = 105 char = t;code = 116 char = y;code = 121 char = ;code = 32 char = v;code = 118 char = a;code = 97 char = l;code = 108 char = u;code = 117 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = 1;code = 49 char = 0;code = 48 char = 0;code = 48 char = %;code = 37 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = C;code = 67 char = -;code = 45 char = 3;code = 51 char = ;code = 32 char = O;code = 79 char = H;code = 72 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = t;code = 116 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = f;code = 102 char = l;code = 108 char = a;code = 97 char = v;code = 118 char = o;code = 111 char = n;code = 110 char = o;code = 111 char = l;code = 108 char = s;code = 115 char = ;code = 32 char = s;code = 115 char = h;code = 104 char = o;code = 111 char = w;code = 119 char = ;code = 32 char = v;code = 118 char = e;code = 101 char = r;code = 114 char = y;code = 121 char = ;code = 32 char = s;code = 115 char = i;code = 105 char = g;code = 103 char = n;code = 110 char = i;code = 105 char = f;code = 102 char = i;code = 105 char = c;code = 99 char = a;code = 97 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = n;code = 110 char = e;code = 101 char = g;code = 103 char = a;code = 97 char = t;code = 116 char = i;code = 105 char = v;code = 118 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = e;code = 101 char = m;code = 109 char = p;code = 112 char = e;code = 101 char = r;code = 114 char = a;code = 97 char = t;code = 116 char = u;code = 117 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = e;code = 101 char = f;code = 102 char = f;code = 102 char = i;code = 105 char = c;code = 99 char = i;code = 105 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = s;code = 115 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = s;code = 115 char = h;code = 104 char = i;code = 105 char = e;code = 101 char = l;code = 108 char = d;code = 100 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = c;code = 99 char = h;code = 104 char = a;code = 97 char = n;code = 110 char = g;code = 103 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = t;code = 116 char = w;code = 119 char = e;code = 101 char = e;code = 101 char = n;code = 110 char = ;code = 32 char = D;code = 68 char = M;code = 77 char = S;code = 83 char = O;code = 79 char = -;code = 45 char = d;code = 100 char = (;code = 40 char = 6;code = 54 char = );code = 41 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = C;code = 67 char = D;code = 68 char = (;code = 40 char = 3;code = 51 char = );code = 41 char = C;code = 67 char = N;code = 78 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = ~;code = 126 char = 2;code = 50 char = .;code = 46 char = 3;code = 51 char = ;code = 32 char = p;code = 112 char = p;code = 112 char = m;code = 109 char = ,;code = 44 char = ;code = 32 char = w;code = 119 char = h;code = 104 char = i;code = 105 char = c;code = 99 char = h;code = 104 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = d;code = 100 char = i;code = 105 char = c;code = 99 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = a;code = 97 char = b;code = 98 char = s;code = 115 char = e;code = 101 char = n;code = 110 char = c;code = 99 char = e;code = 101 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = p;code = 112 char = e;code = 101 char = r;code = 114 char = s;code = 115 char = i;code = 105 char = s;code = 115 char = t;code = 116 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = t;code = 116 char = r;code = 114 char = a;code = 97 char = m;code = 109 char = o;code = 111 char = l;code = 108 char = e;code = 101 char = c;code = 99 char = u;code = 117 char = l;code = 108 char = a;code = 97 char = r;code = 114 char = ;code = 32 char = h;code = 104 char = y;code = 121 char = d;code = 100 char = r;code = 114 char = o;code = 111 char = g;code = 103 char = e;code = 101 char = n;code = 110 char = ;code = 32 char = b;code = 98 char = o;code = 111 char = n;code = 110 char = d;code = 100 char = s;code = 115 char = ,;code = 44 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = n;code = 110 char = t;code = 116 char = r;code = 114 char = a;code = 97 char = r;code = 114 char = y;code = 121 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = n;code = 110 char = u;code = 117 char = m;code = 109 char = e;code = 101 char = r;code = 114 char = o;code = 111 char = u;code = 117 char = s;code = 115 char = ;code = 32 char = X;code = 88 char = -;code = 45 char = r;code = 114 char = a;code = 97 char = y;code = 121 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = r;code = 114 char = u;code = 117 char = c;code = 99 char = t;code = 116 char = u;code = 117 char = r;code = 114 char = e;code = 101 char = s;code = 115 char = .;code = 46 char = <;code = 60 char = b;code = 98 char = r;code = 114 char = /;code = 47 char = >;code = 62 result sql = Correlations between hydrogen bonds and solvent effects on phenol -OH proton shieldings, temperature coefficients (Δδ/ΔT) and effects on OH diffusion coefficients for numerous phenolic acids, flavonols, flavones, and oleuropein derivatives of biological interest were investigated in several organic solvents and were shown to serve as reliable indicators of hydrogen bonding and solvation state of -OH groups. The temperature coefficients span a range of -0.5 to -12.3 ppb K(-1). Shielding differences of 2.0 to 2.9 ppm at 298 K were observed for solvent exposed OH groups between DMSO-d(6) and CD(3)CN which should be compared with a shielding range of ~7 ppm. This demonstrates that the solvation state of hydroxyl protons is a key factor in determining the value of the chemical shift. For -OH protons showing temperature gradients more positive than -2.5 ppb K(-1), shielding changes between DMSO-d(6) and CD(3)CN below 0.6 ppm, and diffusion coefficients significantly different from those of traces of H(2)O, there is an intramolecular hydrogen bond predictivity value of 100%. The C-3 OH protons of flavonols show very significant negative temperature coefficients and shielding changes between DMSO-d(6) and CD(3)CN of ~2.3 ppm, which indicate the absence of persistent intramolecular hydrogen bonds, contrary to numerous X-ray structures.
Publication: Org. Biomol. Chem. 2013 Feb 14 ;11(6)::1013-25. :doi: 10.1039/c2ob27117f.
Publication Date: 2013 Feb 14
Study Author(s): Kontogianni, Vassiliki G;Charisiadis, Pantelis;Primikyri, Alexandra;Pappas, Charalambos G;Exarchou, Vassiliki;Tzakos, Andreas G;Gerothanassis, Ioannis P;
Institution: Section of Organic Chemistry & Biochemistry, Department of Chemistry, University of Ioannina, Ioannina GR-45110, Greece.
[email protected] .
Shortcut link to this study:
Correlations between hydrogen bonds and solvent effects on phenol -OH proton shieldings, temperature coefficients (Δδ/ΔT) and effects on OH diffusion coefficients for numerous phenolic acids, flavonols, flavones, and oleuropein derivatives of biological interest were investigated in several organic solvents and were shown to serve as reliable indicators of hydrogen bonding and solvation state of -OH groups. The temperature coefficients span a range of -0.5 to -12.3 ppb K(-1). Shielding differences of 2.0 to 2.9 ppm at 298 K were observed for solvent exposed OH groups between DMSO-d(6) and CD(3)CN which should be compared with a shielding range of ~7 ppm. This demonstrates that the solvation state of hydroxyl protons is a key factor in determining the value of the chemical shift. For -OH protons showing temperature gradients more positive than -2.5 ppb K(-1), shielding changes between DMSO-d(6) and CD(3)CN below 0.6 ppm, and diffusion coefficients significantly different from those of traces of H(2)O, there is an intramolecular hydrogen bond predictivity value of 100%. The C-3 OH protons of flavonols show very significant negative temperature coefficients and shielding changes between DMSO-d(6) and CD(3)CN of ~2.3 ppm, which indicate the absence of persistent intramolecular hydrogen bonds, contrary to numerous X-ray structures.
PMID: 23292312