Effect of N–H⋯S amide–thiolate hydrogen bonding on bond lengths in rubredoxin models [(CH 3) 3NCH 2CONH 2] 2[M(S 2- o-xyl) 2]

The complexes [(CH 3) 3NCH 2CONH 2] 2[M(S 2- o-xyl) 2], M=Fe ( 1), Co ( 2), and [(CH 3) 4N] 2[Co(S 2- o-xyl) 2]·1/2C 2H 5OH ( 3) have been characterized by X-ray crystallography and vibrational spectroscopy. Complexes 1 and 2 exhibit linear one-dimensional concatenated hydrogen bonded structures. In...

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Bibliographic Details
Published in:Inorganica Chimica Acta 1999-08, Vol.291 (1), p.388-394
Main Authors: Chung, Wesley P., Dewan, John C., Tuckerman, Mark, Walters, Marc A.
Format: Article
Language:English
Subjects:
Amide
Crystal structures
Hydrogen bonding
Rubredoxin models
Thiolate
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Summary:The complexes [(CH 3) 3NCH 2CONH 2] 2[M(S 2- o-xyl) 2], M=Fe ( 1), Co ( 2), and [(CH 3) 4N] 2[Co(S 2- o-xyl) 2]·1/2C 2H 5OH ( 3) have been characterized by X-ray crystallography and vibrational spectroscopy. Complexes 1 and 2 exhibit linear one-dimensional concatenated hydrogen bonded structures. In complex 2 there is an increase in the average metal–ligand bond length in the hydrogen-bonded form relative to 3, which contains a non-hydrogen bonded congener.
ISSN:0020-1693
1873-3255
DOI:10.1016/S0020-1693(99)00159-0