The Heptacyanotungstate(IV) Anion: A New 5 d Transition-Metal Member of the Rare Heptacyanometallate Family of Anions

The heptacyanotungstate(IV) anion was isolated in the salt (n‐Bu4N)3[WIV(CN)7] (1) from the reduction of (n‐Bu4N)3[WV(CN)8] with concomitant loss of one cyanide ligand. The anion in 1 adopts a slightly distorted pentagonal bipyramidal geometry with an average W−C distance of 2.169 Å. The spectroscop...

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Published inAngewandte Chemie (International ed.) Vol. 55; no. 38; pp. 11368 - 11371
Main Authors Birk, Francisco J., Pinkowicz, Dawid, Dunbar, Kim R.
Format Journal Article
LanguageEnglish
Published Germany Blackwell Publishing Ltd 12.09.2016
Wiley Blackwell (John Wiley & Sons)
Subjects
coordination chemistry
cyanide
magnetic anisotropy
quantum nanomagnets
tungsten
quantum nanomagnets
cyanide
magnetic anisotropy
tungsten
coordination chemistry
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Summary:The heptacyanotungstate(IV) anion was isolated in the salt (n‐Bu4N)3[WIV(CN)7] (1) from the reduction of (n‐Bu4N)3[WV(CN)8] with concomitant loss of one cyanide ligand. The anion in 1 adopts a slightly distorted pentagonal bipyramidal geometry with an average W−C distance of 2.169 Å. The spectroscopic and magnetic properties are described. W(e) are family: A previously unknown heptacyanotungstate(IV) anion has been synthesized and characterized structurally and magnetically. It is the first member of the heptacyanide family with S=1 and exhibits an extraordinarily large positive zero field splitting parameter D.
Bibliography:U.S. Department of Energy - No. DE-FG02-02ER45999; No. DE-SC0012582
Polish Ministry of Science and Higher Education - No. 0370/IP3/2015/73
ark:/67375/WNG-DR1X7G6M-2
Robert A. Welch Foundation - No. A-1449
istex:E6DC64EA97FD702DE1D5B2F606A220AB2395EE89
NSF - No. HRD-1249272
ArticleID:ANIE201602949
National Science Foundation
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
USDOE
FG02-02ER45999; SC0012582
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201602949