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A facially capped body-centered Ni9W6 cubane modified with sulfur-containing bidentate ligands: Structure and magnetic properties
- Authors
- Lim, Jeong Hak; Yoo, Houng Sik; Kim, Jae Il; Yoon, Jung Hee; Yang, Namgeun; Koh, Eui Kwan; Park, Je-Geun; Hong, Chang Seop
- Issue Date
- 8월-2008
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- nickel; tungsten; crystal structures; magnetic properties; N ligands
- Citation
- EUROPEAN JOURNAL OF INORGANIC CHEMISTRY, no.22, pp.3428 - 3431
- Indexed
- SCIE
SCOPUS
- Journal Title
- EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
- Number
- 22
- Start Page
- 3428
- End Page
- 3431
- ISSN
- 1434-1948
- Abstract
- A fully capped body-centered cubane cluster [Ni-9(btz)(8)-(MeOH)(8){W(CN)(8)}(6)]center dot 18H(2)O center dot 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. ((C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008).
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