char = H;code = 72 char = o;code = 111 char = m;code = 109 char = o;code = 111 char = -;code = 45 char = /;code = 47 char = h;code = 104 char = e;code = 101 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = o;code = 111 char = t;code = 116 char = r;code = 114 char = i;code = 105 char = n;code = 110 char = u;code = 117 char = c;code = 99 char = l;code = 108 char = e;code = 101 char = a;code = 97 char = r;code = 114 char = ;code = 32 char = m;code = 109 char = i;code = 105 char = x;code = 120 char = e;code = 101 char = d;code = 100 char = -;code = 45 char = v;code = 118 char = a;code = 97 char = l;code = 108 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = o;code = 111 char = -;code = 45 char = c;code = 99 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = i;code = 105 char = r;code = 114 char = o;code = 111 char = n;code = 110 char = /;code = 47 char = n;code = 110 char = i;code = 105 char = c;code = 99 char = k;code = 107 char = e;code = 101 char = l;code = 108 char = ;code = 32 char = c;code = 99 char = l;code = 108 char = u;code = 117 char = s;code = 115 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = s;code = 115 char = -;code = 45 char = M;code = 77 char = &;code = 38 char = #;code = 35 char = 2;code = 50 char = 4;code = 52 char = 6;code = 54 char = ;;code = 59 char = s;code = 115 char = s;code = 115 char = b;code = 98 char = a;code = 97 char = u;code = 117 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = s;code = 115 char = t;code = 116 char = u;code = 117 char = d;code = 100 char = i;code = 105 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = n;code = 110 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = e;code = 101 char = l;code = 108 char = e;code = 101 char = c;code = 99 char = t;code = 116 char = r;code = 114 char = o;code = 111 char = n;code = 110 char = -;code = 45 char = e;code = 101 char = x;code = 120 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 = ;code = 32 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = c;code = 99 char = e;code = 101 char = s;code = 115 char = s;code = 115 char = e;code = 101 char = s;code = 115 char = .;code = 46 result sql = Homo-/heterotrinuclear mixed-valent oxo-centered iron/nickel clusters-Mössbauer studies on internal electron-exchange processes.
Homo-/heterotrinuclear mixed-valent oxo-centered iron/nickel clusters-Mössbauer studies on internal electron-exchange processes.char = I;code = 73 char = n;code = 110 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = o;code = 111 char = n;code = 110 char = e;code = 101 char = -;code = 45 char = p;code = 112 char = o;code = 111 char = t;code = 116 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = a;code = 97 char = c;code = 99 char = t;code = 116 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = N;code = 78 char = -;code = 45 char = (;code = 40 char = 5;code = 53 char = -;code = 45 char = m;code = 109 char = e;code = 101 char = t;code = 116 char = h;code = 104 char = y;code = 121 char = l;code = 108 char = t;code = 116 char = h;code = 104 char = i;code = 105 char = a;code = 97 char = z;code = 122 char = o;code = 111 char = l;code = 108 char = e;code = 101 char = -;code = 45 char = 2;code = 50 char = -;code = 45 char = y;code = 121 char = l;code = 108 char = );code = 41 char = -;code = 45 char = t;code = 116 char = h;code = 104 char = i;code = 105 char = a;code = 97 char = z;code = 122 char = o;code = 111 char = l;code = 108 char = e;code = 101 char = -;code = 45 char = 2;code = 50 char = -;code = 45 char = c;code = 99 char = a;code = 97 char = r;code = 114 char = b;code = 98 char = o;code = 111 char = x;code = 120 char = a;code = 97 char = m;code = 109 char = i;code = 105 char = d;code = 100 char = e;code = 101 char = ;code = 32 char = H;code = 72 char = L;code = 76 char = 2;code = 50 char = ;code = 32 char = (;code = 40 char = 3;code = 51 char = );code = 41 char = ;code = 32 char = w;code = 119 char = i;code = 105 char = t;code = 116 char = h;code = 104 char = ;code = 32 char = i;code = 105 char = r;code = 114 char = o;code = 111 char = n;code = 110 char = (;code = 40 char = I;code = 73 char = I;code = 73 char = );code = 41 char = ;code = 32 char = a;code = 97 char = c;code = 99 char = e;code = 101 char = t;code = 116 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = a;code = 97 char = i;code = 105 char = r;code = 114 char = ,;code = 44 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = h;code = 104 char = o;code = 111 char = m;code = 109 char = o;code = 111 char = t;code = 116 char = r;code = 114 char = i;code = 105 char = n;code = 110 char = u;code = 117 char = c;code = 99 char = l;code = 108 char = e;code = 101 char = a;code = 97 char = r;code = 114 char = ;code = 32 char = h;code = 104 char = e;code = 101 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = o;code = 111 char = l;code = 108 char = e;code = 101 char = p;code = 112 char = t;code = 116 char = i;code = 105 char = c;code = 99 char = ;code = 32 char = m;code = 109 char = i;code = 105 char = x;code = 120 char = e;code = 101 char = d;code = 100 char = -;code = 45 char = v;code = 118 char = a;code = 97 char = l;code = 108 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = o;code = 111 char = x;code = 120 char = o;code = 111 char = -;code = 45 char = c;code = 99 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = i;code = 105 char = r;code = 114 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = c;code = 99 char = l;code = 108 char = u;code = 117 char = s;code = 115 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = [;code = 91 char = F;code = 70 char = e;code = 101 char = (;code = 40 char = I;code = 73 char = I;code = 73 char = );code = 41 char = F;code = 70 char = e;code = 101 char = (;code = 40 char = I;code = 73 char = I;code = 73 char = I;code = 73 char = );code = 41 char = O;code = 79 char = (;code = 40 char = L;code = 76 char = 2;code = 50 char = );code = 41 char = 3;code = 51 char = (;code = 40 char = O;code = 79 char = A;code = 65 char = c;code = 99 char = );code = 41 char = 3;code = 51 char = ];code = 93 char = ;code = 32 char = (;code = 40 char = 4;code = 52 char = );code = 41 char = ;code = 32 char = w;code = 119 char = a;code = 97 char = s;code = 115 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = r;code = 114 char = m;code = 109 char = e;code = 101 char = d;code = 100 char = .;code = 46 char = ;code = 32 char = E;code = 69 char = x;code = 120 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 = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = i;code = 105 char = r;code = 114 char = o;code = 111 char = n;code = 110 char = (;code = 40 char = I;code = 73 char = I;code = 73 char = );code = 41 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = 4;code = 52 char = ;code = 32 char = b;code = 98 char = y;code = 121 char = ;code = 32 char = n;code = 110 char = i;code = 105 char = c;code = 99 char = k;code = 107 char = e;code = 101 char = l;code = 108 char = (;code = 40 char = I;code = 73 char = I;code = 73 char = );code = 41 char = ;code = 32 char = a;code = 97 char = f;code = 102 char = f;code = 102 char = o;code = 111 char = r;code = 114 char = d;code = 100 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = h;code = 104 char = e;code = 101 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = o;code = 111 char = n;code = 110 char = u;code = 117 char = c;code = 99 char = l;code = 108 char = e;code = 101 char = a;code = 97 char = r;code = 114 char = ;code = 32 char = c;code = 99 char = l;code = 108 char = u;code = 117 char = s;code = 115 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = [;code = 91 char = N;code = 78 char = i;code = 105 char = (;code = 40 char = I;code = 73 char = I;code = 73 char = );code = 41 char = F;code = 70 char = e;code = 101 char = (;code = 40 char = I;code = 73 char = I;code = 73 char = I;code = 73 char = );code = 41 char = O;code = 79 char = (;code = 40 char = L;code = 76 char = 2;code = 50 char = );code = 41 char = 3;code = 51 char = (;code = 40 char = O;code = 79 char = A;code = 65 char = c;code = 99 char = );code = 41 char = 3;code = 51 char = ];code = 93 char = ;code = 32 char = (;code = 40 char = 6;code = 54 char = );code = 41 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = o;code = 111 char = ;code = 32 char = o;code = 111 char = b;code = 98 char = t;code = 116 char = a;code = 97 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = c;code = 99 char = r;code = 114 char = y;code = 121 char = s;code = 115 char = t;code = 116 char = a;code = 97 char = l;code = 108 char = s;code = 115 char = ;code = 32 char = s;code = 115 char = u;code = 117 char = i;code = 105 char = t;code = 116 char = a;code = 97 char = b;code = 98 char = l;code = 108 char = e;code = 101 char = ;code = 32 char = f;code = 102 char = o;code = 111 char = r;code = 114 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 = ;code = 32 char = a;code = 97 char = n;code = 110 char = a;code = 97 char = l;code = 108 char = y;code = 121 char = s;code = 115 char = e;code = 101 char = s;code = 115 char = ,;code = 44 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = 4;code = 52 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = 6;code = 54 char = ,;code = 44 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = O;code = 79 char = A;code = 65 char = c;code = 99 char = -;code = 45 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = -;code = 45 char = l;code = 108 char = i;code = 105 char = g;code = 103 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = s;code = 115 char = ;code = 32 char = w;code = 119 char = e;code = 101 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = e;code = 101 char = x;code = 120 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 = d;code = 100 char = ;code = 32 char = b;code = 98 char = y;code = 121 char = ;code = 32 char = O;code = 79 char = B;code = 66 char = z;code = 122 char = -;code = 45 char = ;code = 32 char = l;code = 108 char = i;code = 105 char = g;code = 103 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = s;code = 115 char = ;code = 32 char = t;code = 116 char = o;code = 111 char = ;code = 32 char = g;code = 103 char = i;code = 105 char = v;code = 118 char = e;code = 101 char = ;code = 32 char = [;code = 91 char = F;code = 70 char = e;code = 101 char = (;code = 40 char = I;code = 73 char = I;code = 73 char = );code = 41 char = F;code = 70 char = e;code = 101 char = 2;code = 50 char = (;code = 40 char = I;code = 73 char = I;code = 73 char = I;code = 73 char = );code = 41 char = O;code = 79 char = (;code = 40 char = L;code = 76 char = 2;code = 50 char = );code = 41 char = 3;code = 51 char = (;code = 40 char = O;code = 79 char = B;code = 66 char = z;code = 122 char = );code = 41 char = 3;code = 51 char = ];code = 93 char = ;code = 32 char = (;code = 40 char = 5;code = 53 char = );code = 41 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = [;code = 91 char = N;code = 78 char = i;code = 105 char = (;code = 40 char = I;code = 73 char = I;code = 73 char = );code = 41 char = F;code = 70 char = e;code = 101 char = (;code = 40 char = I;code = 73 char = I;code = 73 char = I;code = 73 char = );code = 41 char = O;code = 79 char = (;code = 40 char = L;code = 76 char = 2;code = 50 char = );code = 41 char = 3;code = 51 char = (;code = 40 char = O;code = 79 char = B;code = 66 char = z;code = 122 char = );code = 41 char = 3;code = 51 char = ];code = 93 char = ;code = 32 char = (;code = 40 char = 7;code = 55 char = );code = 41 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = m;code = 109 char = p;code = 112 char = l;code = 108 char = e;code = 101 char = x;code = 120 char = e;code = 101 char = s;code = 115 char = ;code = 32 char = 5;code = 53 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = 7;code = 55 char = ;code = 32 char = a;code = 97 char = r;code = 114 char = e;code = 101 char = ;code = 32 char = i;code = 105 char = s;code = 115 char = o;code = 111 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 = a;code = 97 char = l;code = 108 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = m;code = 109 char = a;code = 97 char = d;code = 100 char = e;code = 101 char = ;code = 32 char = u;code = 117 char = p;code = 112 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = r;code = 114 char = e;code = 101 char = e;code = 101 char = ;code = 32 char = d;code = 100 char = i;code = 105 char = t;code = 116 char = o;code = 111 char = p;code = 112 char = i;code = 105 char = c;code = 99 char = ,;code = 44 char = ;code = 32 char = t;code = 116 char = r;code = 114 char = i;code = 105 char = d;code = 100 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = l;code = 108 char = i;code = 105 char = g;code = 103 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = s;code = 115 char = ;code = 32 char = (;code = 40 char = L;code = 76 char = 2;code = 50 char = );code = 41 char = -;code = 45 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = r;code = 114 char = e;code = 101 char = e;code = 101 char = ;code = 32 char = b;code = 98 char = r;code = 114 char = i;code = 105 char = d;code = 100 char = g;code = 103 char = i;code = 105 char = n;code = 110 char = g;code = 103 char = ;code = 32 char = b;code = 98 char = e;code = 101 char = n;code = 110 char = z;code = 122 char = o;code = 111 char = a;code = 97 char = t;code = 116 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = -;code = 45 char = l;code = 108 char = i;code = 105 char = g;code = 103 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = s;code = 115 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 = f;code = 102 char = i;code = 105 char = x;code = 120 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = r;code = 114 char = e;code = 101 char = e;code = 101 char = ;code = 32 char = m;code = 109 char = e;code = 101 char = t;code = 116 char = a;code = 97 char = l;code = 108 char = ;code = 32 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = s;code = 115 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = o;code = 111 char = r;code = 114 char = n;code = 110 char = e;code = 101 char = r;code = 114 char = s;code = 115 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = a;code = 97 char = ;code = 32 char = t;code = 116 char = r;code = 114 char = i;code = 105 char = a;code = 97 char = n;code = 110 char = g;code = 103 char = l;code = 108 char = e;code = 101 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 = n;code = 110 char = ;code = 32 char = m;code = 109 char = u;code = 117 char = 3;code = 51 char = -;code = 45 char = O;code = 79 char = 2;code = 50 char = -;code = 45 char = ;code = 32 char = i;code = 105 char = o;code = 111 char = n;code = 110 char = ;code = 32 char = i;code = 105 char = n;code = 110 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = c;code = 99 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = .;code = 46 char = ;code = 32 char = T;code = 84 char = h;code = 104 char = e;code = 101 char = ;code = 32 char = m;code = 109 char = i;code = 105 char = x;code = 120 char = e;code = 101 char = d;code = 100 char = -;code = 45 char = v;code = 118 char = a;code = 97 char = l;code = 108 char = e;code = 101 char = n;code = 110 char = t;code = 116 char = ;code = 32 char = c;code = 99 char = h;code = 104 char = a;code = 97 char = r;code = 114 char = a;code = 97 char = c;code = 99 char = t;code = 116 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = o;code = 111 char = f;code = 102 char = ;code = 32 char = 4;code = 52 char = -;code = 45 char = 7;code = 55 char = ,;code = 44 char = ;code = 32 char = t;code = 116 char = h;code = 104 char = e;code = 101 char = i;code = 105 char = r;code = 114 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 = e;code = 101 char = l;code = 108 char = e;code = 101 char = c;code = 99 char = t;code = 116 char = r;code = 114 char = o;code = 111 char = n;code = 110 char = -;code = 45 char = e;code = 101 char = x;code = 120 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 = ;code = 32 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = c;code = 99 char = e;code = 101 char = s;code = 115 char = s;code = 115 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 = t;code = 116 char = h;code = 104 char = e;code = 101 char = i;code = 105 char = r;code = 114 char = ;code = 32 char = r;code = 114 char = e;code = 101 char = d;code = 100 char = o;code = 111 char = x;code = 120 char = ;code = 32 char = p;code = 112 char = r;code = 114 char = o;code = 111 char = p;code = 112 char = e;code = 101 char = r;code = 114 char = t;code = 116 char = i;code = 105 char = e;code = 101 char = s;code = 115 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 = t;code = 116 char = u;code = 117 char = d;code = 100 char = i;code = 105 char = e;code = 101 char = d;code = 100 char = ;code = 32 char = b;code = 98 char = y;code = 121 char = ;code = 32 char = v;code = 118 char = a;code = 97 char = r;code = 114 char = i;code = 105 char = a;code = 97 char = b;code = 98 char = l;code = 108 char = e;code = 101 char = -;code = 45 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 = M;code = 77 char = &;code = 38 char = #;code = 35 char = 2;code = 50 char = 4;code = 52 char = 6;code = 54 char = ;;code = 59 char = s;code = 115 char = s;code = 115 char = b;code = 98 char = a;code = 97 char = u;code = 117 char = e;code = 101 char = r;code = 114 char = ;code = 32 char = s;code = 115 char = p;code = 112 char = e;code = 101 char = c;code = 99 char = t;code = 116 char = r;code = 114 char = o;code = 111 char = s;code = 115 char = c;code = 99 char = o;code = 111 char = p;code = 112 char = y;code = 121 char = ;code = 32 char = a;code = 97 char = n;code = 110 char = d;code = 100 char = ;code = 32 char = c;code = 99 char = y;code = 121 char = c;code = 99 char = l;code = 108 char = i;code = 105 char = c;code = 99 char = ;code = 32 char = v;code = 118 char = o;code = 111 char = l;code = 108 char = t;code = 116 char = a;code = 97 char = m;code = 109 char = m;code = 109 char = e;code = 101 char = t;code = 116 char = r;code = 114 char = y;code = 121 char = .;code = 46 char = <;code = 60 char = b;code = 98 char = r;code = 114 char = /;code = 47 char = >;code = 62 result sql = In a one-pot reaction of N-(5-methylthiazole-2-yl)-thiazole-2-carboxamide HL2 (3) with iron(II) acetate in air, the homotrinuclear heteroleptic mixed-valent oxo-centered iron cluster [Fe(II)Fe(III)O(L2)3(OAc)3] (4) was formed. Exchange of iron(II) in 4 by nickel(II) afforded the heteronuclear cluster [Ni(II)Fe(III)O(L2)3(OAc)3] (6). To obtain crystals suitable for X-ray structure analyses, in 4 and 6, the OAc- co-ligands were exchanged by OBz- ligands to give [Fe(II)Fe2(III)O(L2)3(OBz)3] (5) and [Ni(II)Fe(III)O(L2)3(OBz)3] (7). The complexes 5 and 7 are isostructural and made up of three ditopic, tridentate ligands (L2)- and three bridging benzoate co-ligands, which fix the three metal ions in the corners of a triangle with an mu3-O2- ion in the center. The mixed-valent character of 4-7, their intramolecular electron-exchange processes, and their redox properties were studied by variable-temperature Mössbauer spectroscopy and cyclic voltammetry.
Publication: Chemistry 2005 Oct 7 ;11(20)::5843-8.
Publication Date: 2005 Oct 7
Study Author(s): Saalfrank, Rolf W;Scheurer, Andreas;Reimann, Uwe;Hampel, Frank;Trieflinger, Christian;Büschel, Michael;Daub, Jörg;Trautwein, Alfred X;Schünemann, Volker;Coropceanu, Veaceslav;
Institution: Institut für Organische Chemie der Universität Erlangen-Nürnberg, Henkestrasse 42, 91054 Erlangen, Germany.
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In a one-pot reaction of N-(5-methylthiazole-2-yl)-thiazole-2-carboxamide HL2 (3) with iron(II) acetate in air, the homotrinuclear heteroleptic mixed-valent oxo-centered iron cluster [Fe(II)Fe(III)O(L2)3(OAc)3] (4) was formed. Exchange of iron(II) in 4 by nickel(II) afforded the heteronuclear cluster [Ni(II)Fe(III)O(L2)3(OAc)3] (6). To obtain crystals suitable for X-ray structure analyses, in 4 and 6, the OAc- co-ligands were exchanged by OBz- ligands to give [Fe(II)Fe2(III)O(L2)3(OBz)3] (5) and [Ni(II)Fe(III)O(L2)3(OBz)3] (7). The complexes 5 and 7 are isostructural and made up of three ditopic, tridentate ligands (L2)- and three bridging benzoate co-ligands, which fix the three metal ions in the corners of a triangle with an mu3-O2- ion in the center. The mixed-valent character of 4-7, their intramolecular electron-exchange processes, and their redox properties were studied by variable-temperature Mössbauer spectroscopy and cyclic voltammetry.