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A Facially Capped Body‐Centered Ni 9 W 6 Cubane Modified with Sulfur‐Containing Bidentate Ligands: Structure and Magnetic Properties
Author(s) -
Lim Jeong Hak,
Yoo Houng Sik,
Kim Jae Il,
Yoon Jung Hee,
Yang Namgeun,
Koh Eui Kwan,
Park JeGeun,
Hong Chang Seop
Publication year - 2008
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.200800416
Subject(s) - dodecahedron , cubane , chemistry , crystallography , denticity , ferromagnetism , molecule , sulfur , stereochemistry , crystal structure , condensed matter physics , physics , organic chemistry
A fully capped body‐centered cubane cluster [Ni 9 (btz) 8 (MeOH) 8 {W(CN) 8 } 6 ] · 18H 2 O · 6MeOH ( 1 ) [btz = 2,2′‐bi(4,5‐dihydrothiazine)], whose periphery was modified with sulfur‐containing bidentate ligands acting as potential anchoring sites to electrodes and substrates, was prepared. The geometric analyses around the W atoms revealed that W1 adopts a distorted dodecahedron, while the other W atoms are closer to a square‐antiprism geometry than a dodecahedron. The magnetic studies of 1 reveal that ferromagnetic couplings are operative through CN bridges, generating an S = 12 ground state. It appears that magnetic anisotropy of a molecule is venerable to subtle structural variations. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008)
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