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μ-Coordination chemistry of NO ligands: Adducts of trans-Mo(dmpe)2(H)(NO) with lithium salts by Fupei Liang; Helmut W. Schmalle; Heinz Berke is a Chemistry article available to read on EtoBox.

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Four adducts were formed by the reaction of trans-Mo(dmpe) 2 (H)(NO) (1) (dmpe = bis(dimethylphosphino)ethane) and a respective lithium reagent to afford, [Mo(dmpe Structures 2-5 were characterized by crystal X-ray diffraction analyses. Structures 2 and 3 revealed to be dimers of the 1:1 adduct of 1 and the lithium salt. The two nitrosyl oxygen atoms in 2 are l 2 -bridged connecting two separate LiHB(C 2 H 5 ) 3 moieties, whereas in 3 these oxygen atoms exhibit a terminal coordination mode binding to two lithium ions of the dimeric [LiN(SiMe 3 ) 2 ] 2 unit. Structure 4 shows a discrete structure formed by two separate mononuclear LiBH 4 units being bridged by the nitrosyl oxygen atoms of three Mo(dmpe) 2 (H)(NO) moieties. Structure 5 displays a complicated chain structure with differently coordinated lithium centers, various types of bridging BH 4 and bridging nitrosyl groups.

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Author

Fupei Liang; Helmut W. Schmalle; Heinz Berke

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0022-328X)

Published

2006

Language

EL

Field

Chemistry (Physical Sciences)