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Unusual Dinuclear Hydridorhodium(III) Complexes Containing Bulky Phosphanyl(stibanyl)methanes as Chelating Ligands
Author(s) -
Manger Matthias,
Gevert Olaf,
Werner Helmut
Publication year - 1997
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.19971301028
Subject(s) - chemistry , chelation , octahedron , metal , stereochemistry , crystal structure , yield (engineering) , medicinal chemistry , crystallography , inorganic chemistry , organic chemistry , materials science , metallurgy
The mononuclear starting materials [Rh(η 4 ‐C 8 H 12 )(k 2 ‐ P ,Sb‐ i Pr 2 PCH 2 SbR 2 )]PF 6 ( la, b ) react with CF 3 CO 2 H in the presence of H 2 to give the dinuclear hydridorhodium(II1) complexes [{RhH(k 2 ‐ P ,Sb‐ i Pr 2 PCH 2 SbR 2 )]PF 6 ( 2a, b ) in almost quantitative yield. The X‐ray crystal structural analysis of 2b (R = t Bu) reveals a distorted octahedral geometry around the two metal centers with the two phosphanyl(stibanyl)methanes in a chelating and the two trifluoracetate ligands in a bridging coordination mode.