A Facially Capped Body‐Centered Ni 9 W 6 Cubane Modified with Sulfur‐Containing Bidentate Ligands: Structure and Magnetic Properties

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 ge...

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Published in:European journal of inorganic chemistry 2008-08, Vol.2008 (22), p.3428-3431
Main Authors: Lim, Jeong Hak, Yoo, Houng Sik, Kim, Jae Il, Yoon, Jung Hee, Yang, Namgeun, Koh, Eui Kwan, Park, Je‐Geun, Hong, Chang Seop
Format: Article
Language:English
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Summary: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)
ISSN:1434-1948
1099-0682
DOI:10.1002/ejic.200800416