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Dreikernige Niob‐Oxid‐Cluster 1) . – Synthese von (η 5 ‐C 5 Me 5 ) 3 Nb 3 (μ 2 ‐O) 3 (μ 3 ‐O)‐(μ 2 ‐Cl)Cl 3 und [(η 5 ‐C 5 Me 5 ) 3 Nb 3 (OH) 2 (μ 2 ‐OH)(μ 3 ‐OH)(μ 2 ‐O) 2 (μ 3 ‐O)Cl]Cl
Author(s) -
Leichtweis Iring,
Roesky Herbert W.,
Noltemeyer Mathias,
Schmidt HansGeorge
Publication year - 1991
Publication title -
chemische berichte
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 0009-2940
DOI - 10.1002/cber.19911240202
Subject(s) - chemistry , yield (engineering) , crystallography , x ray crystallography , niobium , oxide , stereochemistry , materials science , organic chemistry , metallurgy , physics , diffraction , optics
Trinuclear Niobium Oxide Clusters 1) . – Synthesis of (η 5 ‐C 5 Me 5 ) 3 Nb 3 (μ 2 ‐O) 3 (μ 3 ‐O)(μ 2 ‐Cl)Cl 3 and [(η 5 ‐C 5 Me 5 ) 3 Nb 3 (OH) 2 (μ 2 ‐OH)(μ 3 ‐OH)(μ 2 ‐O) 2 (μ 3 ‐O)Cl]Cl Hydrolysis of η 5 ‐C 5 Me 5 NbCl 4 with excess of water leads to a mixture of products. Pyrolysis of this crude mixture gives (η 5 ‐C 5 Me 5 ) 3 Nb 3 (μ 2 ‐O) 3 (μ 3 ‐O)(μ‐Cl)Cl 3 ( 1 ) in good yield. On treatment of 1 with water [(η 5 ‐C 5 Me 5 ) 3 Nb 3 (OH) 2 (μ 2 ‐OH)(μ 3 ‐OH)(μ 2 ‐O) 2 (μ 3 ‐O)Cl]Cl ( 2 ) is obtained. The products 1 and 2 were characterized analytically and by X‐ray structure determination.
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