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Coordination Chemistry of Methylmercury(II) with Flexible Tripod Ligands Containing Pyridyl and N-Methylimidazolyl Groups, Including the Crystal Structure of [Bis(N-methylimidazol-2-y1)(pyridin-2-yl)methanol-N,N’,N’]methylmercury(II) Nitrate, [MeHg(py(N-MeIm)2COH)]N03

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Canty, AJ and Patrick, JM and White, AH (1984) Coordination Chemistry of Methylmercury(II) with Flexible Tripod Ligands Containing Pyridyl and N-Methylimidazolyl Groups, Including the Crystal Structure of [Bis(N-methylimidazol-2-y1)(pyridin-2-yl)methanol-N,N’,N’]methylmercury(II) Nitrate, [MeHg(py(N-MeIm)2COH)]N03. Inorganic Chemistry, 23 (23). pp. 3827-3830. ISSN 0020-1669

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Abstract

The ligand is present as a tridentate, based on one strong Hg-N(1’) (N-MeIm) bond, 2.12 (1) A, and two weak Hg...N interactions of 2.58 (1) A (N-MeIm) and 2.89 (1) A (py). As expected for the presence of weak Hg...N interactions, the C(1)-Hg-N(1’) angle is not far removed from linearity, 170.5(7)O, with the Hg...N interactions opposite this angle. Although the weak interactions are well short of van der Waals contact (ca. 3.23 A), they are clearly weak since the mercury atom lies 1.589 A above the mean plane of the N-MeIm ring and 0.456 A above the mean plane of the pyridine ring, compared with 0.304 A for the strongly bound N-MeIm ring. Although the hydroxyl hydrogen could not be confidently located, a close contact is observed to the nitrate ion, 0-(H)...O(1) being 2.71 (1) A; no other 0...O distances <3.2 A were observed.

Item Type: Article
Journal or Publication Title: Inorganic Chemistry
Page Range: pp. 3827-3830
ISSN: 0020-1669
Identification Number - DOI: 10.1021/ic00191a032
Date Deposited: 01 Feb 2008 01:04
Last Modified: 18 Nov 2014 03:27
URI: http://eprints.utas.edu.au/id/eprint/2951
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