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.
Pentanuclear octacyanotungstate(V)-based molecule with a high spin ground state S=(13)/(2) / Podgajny R.; Desplanches C.; Sieklucka B.; Sessoli R.; Villar V.; Paulsen C.; Wernsdorfer W.; Dromzee Y.; Verdaguer M.. - In: INORGANIC CHEMISTRY. - ISSN 0020-1669. - STAMPA. - 41:(2002), pp. 1323-1323. [10.1021/ic010679n]
Pentanuclear octacyanotungstate(V)-based molecule with a high spin ground state S=(13)/(2)
SESSOLI, ROBERTA;
2002
Abstract
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.
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