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Published 1983 | Published
Journal Article Open

Complexation of Secondary Amides to Chromium(III): the X-Ray Structure of a Molecule with Two Modes of Monodentate Organic Amide Co-ordination


The X-ray crystal structure of the dimer [Cr{H(chba-Et)}(py)_2]_(2)·2py [H_(4)(chba-Et)= 1,2-bis(3,5-dichloro-2-hydroxybenzamido) ethane, py = pyridine] establishes, for the first time, the existence of N-co-ordination of an organic amide to Cr^III, the N-atom and carbonyl O-atom of two separate amide groups being co-ordinated to each Cr^III centre [Cr–N 2.030(6) and Cr–O 1.976(5)Å]; the potentially tetra-anionic chelating ligand leads to a variety of co-ordination modes.

Additional Information

© 1983 Royal Society of Chemistry. Received, 23rd February 1983; Com. 252. We thank the Donors of the Petroleum Research Fund, administered by the American Chemical Society, the Research Corporation, and the National Science Foundation for support of this work. B.D.S. acknowledges support from the California Institute of Technology as a Myron A. Bantrell Fellow in Chemistry, 1981-1983.

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August 19, 2023
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