Pentanuclear octacyanotungstate(V)-based molecule with a high spin ground state S=13/2

被引:85
作者
Podgajny, R
Desplanches, C
Sieklucka, B
Sessoli, R
Villar, V
Paulsen, C
Wernsdorfer, W
Dromzée, Y
Verdaguer, M
机构
[1] Jagiellonian Univ, Fac Chem, PL-30060 Krakow, Poland
[2] Univ Paris 06, Unite Assoc CNRS 7071, Lab Chim Inorgan & Mat Mol, F-75252 Paris 05, France
[3] Univ Florence, Dept Chem, I-50144 Florence, Italy
[4] CNRS, Ctr Rech Tres Basses Temp, F-38054 Grenoble, France
[5] CNRS, Lab Louis Neel, F-38054 Grenoble, France
关键词
D O I
10.1021/ic010679n
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The pentanuclear octacyanotungstate (V)-based molecules [Mn-II(bpy)(2)][Mn-II(bpy)(2)(H2O)](2)[W-V(CN)(8)](2).7H(2)O are V-shaped and packed into a broken chainlike structure (because of aromatic pi-pi stacking of the bpy rings) forming infinite linear columns. The compound exhibits intramolecular antiferromagnetic coupling between Mn-II and W-V ions, which leads to a high spin g-round state S = 13/2. Long-range intermolecular ferromagnetic ordering occurs at 0.66 K and prevents the observation of single molecule magnet behavior. [GRAPHICS] RAPHICS]
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页码:1323 / +
页数:6
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