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[Et 4 N] 2 [{MO(S 2 ) 2 } 2 (μ 2 ‐S 7 )(μ 2 ‐H 2 NNH 2 )] (M = Mo, W)—Doubly Bridged Complexes with S 7 2− and Doubly End‐On‐Bound H 2 NNH 2 Bridging Ligands
Author(s) -
Zhu Nianyong,
Du Shaowu,
Wu Xintao,
Lu Jiaxi
Publication year - 1992
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199200871
Subject(s) - pentagonal bipyramidal molecular geometry , bipyramid , zigzag , crystallography , chemistry , sulfur , bridging (networking) , polyhedron , trigonal bipyramidal molecular geometry , atom (system on chip) , stereochemistry , combinatorics , crystal structure , geometry , mathematics , computer science , computer network , organic chemistry , embedded system
Two M VI centers in a pentagonal‐bipyramidal environment in which the vertices of the coordination polyhedron are formed by the corresponding oxoligand and a N atom of the bridging H 2 NNH 2 ligands, are contained in the title complexes (shown for M = Mo). The five sulfur atoms of the bipyramid almost lie in a plane, as does the zigzag [MH 2 NNH 2− M] fragment. These complexes are of interest not only structurally, but also as model systems for enzymes such as nitrogenase.