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Interaction of Methylmercury(II) with Bidentate Ligands Containing Pyridine and Pyrazole Rings. Synthesis and Structure of Methyl[l-(2-pyridyl)pyrazole]mercury(II) Nitrate and [Di(1-pyrazolyl)methane]methylmercury(II) Nitrate

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Canty, AJ and Lee, CV and Chaichit, N and Gatehouse, BM (1982) Interaction of Methylmercury(II) with Bidentate Ligands Containing Pyridine and Pyrazole Rings. Synthesis and Structure of Methyl[l-(2-pyridyl)pyrazole]mercury(II) Nitrate and [Di(1-pyrazolyl)methane]methylmercury(II) Nitrate. Acta Crystallogrphica -Section B: Structural Science, B38 (1). pp. 743-748. ISSN 0108-7681

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Abstract

The complexes [MeHgL]N03[L = 1-(2-pyridyl)pyrazole or di(1-pyrazolyl)methane] have L present as bidentate ligands to give irregular three coordination for Hg in the CHgN2 moieties. The 1-(2-pyridyl)pyrazole complex has C(1)-Hg-N(1) 168(2)° and Hg-N(1) 2·21(3) A [N(1) is the pyrazole donor atom], Hg-N(1')(pyridine ring) 2·61(5) A, and nitrate oxygen atoms 2·97(3), 3·07(3), and 3·14(3) Afrom Hg. The di(l-pyrazolyl)methane cation complex has C(1)-Hg-N(1) 179(1), Hg-N(1) 2·16(1), Hg-N(1') 2·96(2) A, and nitrate oxygen atoms 2·88(2)and 2·90(2) A from Hg. In both structures the cations and anions are grouped to form [MeHgL]NO3 dimeric units via Hg...O interactions.

Item Type: Article
Journal or Publication Title: Acta Crystallogrphica -Section B: Structural Science
Page Range: pp. 743-748
ISSN: 0108-7681
Identification Number - DOI: 10.1107/S0567740882004002
Additional Information: The definitive version is available at www.blackwell-synergy.com
Date Deposited: 05 Feb 2008 00:35
Last Modified: 18 Nov 2014 03:28
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