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<title>UTas ePrints - Coordination Chemistry of Methylmercury(II). Synthesis, 1H NMR, and Crystallographic Studies of Cationic Complexes of MeHg(II) with Ambidentate and Polydentate Ligands Containing Pyridyl and N-Substituted Imidazolyl Donors and Involving Unusual Coordination Geometries</title>
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<meta content="Canty, A.J." name="eprints.creators_name" />
<meta content="Chaichit, N." name="eprints.creators_name" />
<meta content="Gatehouse, B.M." name="eprints.creators_name" />
<meta content="George, E.E." name="eprints.creators_name" />
<meta content="Hayhurst, G." name="eprints.creators_name" />
<meta content="allan.canty@utas.edu.au" name="eprints.creators_id" />
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<meta content="2008-01-23T03:26:56Z" name="eprints.datestamp" />
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<meta content="Coordination Chemistry of Methylmercury(II). Synthesis, 1H NMR, and Crystallographic Studies of Cationic Complexes of MeHg(II) with Ambidentate and Polydentate Ligands Containing Pyridyl and N-Substituted Imidazolyl Donors and
Involving Unusual Coordination Geometries" name="eprints.title" />
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<meta content="Complexes [MeHgL]N03 (L = 4,4’,4’’-triethyL2,2':6’,2”-terpyridyl (Et3terpy), terpy, bis(2-pyridy1)methanes ((py)CH2's), (py)2CMe2, (py)2CEt2, tris(2-pyridyl)methane, several N-alkylimidazoles, N-(2-pyridyl)imidazole, and N-methyl-2-(2-pyridy1)imidazoles) are obtained from addition reactions in acetone. Proton magnetic resonance spectroscopy is used to deduce coordination behavior of potential uni- or polydentate ligands in methanol, indicating that Et3terpy, terpy, (py)2CH2's, and N-methyl-2-(2-pyridyl)imidazoles act as bidentates to give three-coordinate mercury, but (py)2CR2 (R = Me, Et) are present as unidentates. A linear relation is obtained between 2J(1H-199Hg) for [MeHgL]+ and protonation constants for L, where L = N-alkylimidazoles, and the relation is similar to that obtained previously for L = pyridines. The ambidentate ligand N-(2-pyridyl)imidazole binds to mercury via the imidazole ring. Crystalline [MeHg((py)2CH2)]N03 has (py)CH2 present as a bidentate ligand with “T-shape” coordination geometry based on a dominant C-Hg-N moiety [Hg-N = 2.16(1) A, C-Hg-N = 172 (1) and a weaker Hg-N’ bond [2.75(2) A]. Crystalline [MeHg(Et3terpy)]N03 has Et3terpy present as a tridentate ligand with MeHg(II) bonded strongly to the central nitrogen [2.26(2) A, C-Hg-N = 171(1) and weakly to the terminal nitrogens [2.51(2), 2.61(2) A]. Syntheses of new ligands containing pyridyl and N-methylimidazolyl donor groups are described." name="eprints.abstract" />
<meta content="1981" name="eprints.date" />
<meta content="published" name="eprints.date_type" />
<meta content="Inorganic Chemistry" name="eprints.publication" />
<meta content="20" name="eprints.volume" />
<meta content="8" name="eprints.number" />
<meta content="2414-2422" name="eprints.pagerange" />
<meta content="10.1021/ic50222a011" name="eprints.id_number" />
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<meta content="Canty, A.J. and Chaichit, N. and Gatehouse, B.M. and George, E.E. and Hayhurst, G. (1981) Coordination Chemistry of Methylmercury(II). Synthesis, 1H NMR, and Crystallographic Studies of Cationic Complexes of MeHg(II) with Ambidentate and Polydentate Ligands Containing Pyridyl and N-Substituted Imidazolyl Donors and Involving Unusual Coordination Geometries. Inorganic Chemistry, 20 (8). pp. 2414-2422. ISSN 0020-1669" name="eprints.citation" />
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<meta content="Coordination Chemistry of Methylmercury(II). Synthesis, 1H NMR, and Crystallographic Studies of Cationic Complexes of MeHg(II) with Ambidentate and Polydentate Ligands Containing Pyridyl and N-Substituted Imidazolyl Donors and
Involving Unusual Coordination Geometries" name="DC.title" />
<meta content="Canty, A.J." name="DC.creator" />
<meta content="Chaichit, N." name="DC.creator" />
<meta content="Gatehouse, B.M." name="DC.creator" />
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<meta content="Complexes [MeHgL]N03 (L = 4,4’,4’’-triethyL2,2':6’,2”-terpyridyl (Et3terpy), terpy, bis(2-pyridy1)methanes ((py)CH2's), (py)2CMe2, (py)2CEt2, tris(2-pyridyl)methane, several N-alkylimidazoles, N-(2-pyridyl)imidazole, and N-methyl-2-(2-pyridy1)imidazoles) are obtained from addition reactions in acetone. Proton magnetic resonance spectroscopy is used to deduce coordination behavior of potential uni- or polydentate ligands in methanol, indicating that Et3terpy, terpy, (py)2CH2's, and N-methyl-2-(2-pyridyl)imidazoles act as bidentates to give three-coordinate mercury, but (py)2CR2 (R = Me, Et) are present as unidentates. A linear relation is obtained between 2J(1H-199Hg) for [MeHgL]+ and protonation constants for L, where L = N-alkylimidazoles, and the relation is similar to that obtained previously for L = pyridines. The ambidentate ligand N-(2-pyridyl)imidazole binds to mercury via the imidazole ring. Crystalline [MeHg((py)2CH2)]N03 has (py)CH2 present as a bidentate ligand with “T-shape” coordination geometry based on a dominant C-Hg-N moiety [Hg-N = 2.16(1) A, C-Hg-N = 172 (1) and a weaker Hg-N’ bond [2.75(2) A]. Crystalline [MeHg(Et3terpy)]N03 has Et3terpy present as a tridentate ligand with MeHg(II) bonded strongly to the central nitrogen [2.26(2) A, C-Hg-N = 171(1) and weakly to the terminal nitrogens [2.51(2), 2.61(2) A]. Syntheses of new ligands containing pyridyl and N-methylimidazolyl donor groups are described." name="DC.description" />
<meta content="1981" name="DC.date" />
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<meta content="Canty, A.J. and Chaichit, N. and Gatehouse, B.M. and George, E.E. and Hayhurst, G. (1981) Coordination Chemistry of Methylmercury(II). Synthesis, 1H NMR, and Crystallographic Studies of Cationic Complexes of MeHg(II) with Ambidentate and Polydentate Ligands Containing Pyridyl and N-Substituted Imidazolyl Donors and Involving Unusual Coordination Geometries. Inorganic Chemistry, 20 (8). pp. 2414-2422. ISSN 0020-1669" name="DC.identifier" />
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<h1 class="ep_tm_pagetitle">Coordination Chemistry of Methylmercury(II). Synthesis, 1H NMR, and Crystallographic Studies of Cationic Complexes of MeHg(II) with Ambidentate and Polydentate Ligands Containing Pyridyl and N-Substituted Imidazolyl Donors and Involving Unusual Coordination Geometries</h1>
<p style="margin-bottom: 1em" class="not_ep_block"><span class="person_name">Canty, A.J.</span> and <span class="person_name">Chaichit, N.</span> and <span class="person_name">Gatehouse, B.M.</span> and <span class="person_name">George, E.E.</span> and <span class="person_name">Hayhurst, G.</span> (1981) <xhtml:em>Coordination Chemistry of Methylmercury(II). Synthesis, 1H NMR, and Crystallographic Studies of Cationic Complexes of MeHg(II) with Ambidentate and Polydentate Ligands Containing Pyridyl and N-Substituted Imidazolyl Donors and Involving Unusual Coordination Geometries.</xhtml:em> Inorganic Chemistry, 20 (8). pp. 2414-2422. ISSN 0020-1669</p><p style="margin-bottom: 1em" class="not_ep_block"></p><table style="margin-bottom: 1em" class="not_ep_block"><tr><td valign="top" style="text-align:center"><a href="http://eprints.utas.edu.au/2902/1/IC1981%2C_2414.pdf"><img alt="[img]" src="http://eprints.utas.edu.au/style/images/fileicons/application_pdf.png" border="0" class="ep_doc_icon" /></a></td><td valign="top"><a href="http://eprints.utas.edu.au/2902/1/IC1981%2C_2414.pdf"><span class="ep_document_citation">PDF</span></a> - Full text restricted - Requires a PDF viewer<br />1203Kb</td><td><form method="get" accept-charset="utf-8" action="http://eprints.utas.edu.au/cgi/request_doc"><input value="3877" name="docid" accept-charset="utf-8" type="hidden" /><div class=""><input value="Request a copy" name="_action_null" class="ep_form_action_button" onclick="return EPJS_button_pushed( '_action_null' )" type="submit" /> </div></form></td></tr></table><p style="margin-bottom: 1em" class="not_ep_block">Official URL: <a href="http://dx.doi.org/10.1021/ic50222a011">http://dx.doi.org/10.1021/ic50222a011</a></p><div class="not_ep_block"><h2>Abstract</h2><p style="padding-bottom: 16px; text-align: left; margin: 1em auto 0em auto">Complexes [MeHgL]N03 (L = 4,4’,4’’-triethyL2,2':6’,2”-terpyridyl (Et3terpy), terpy, bis(2-pyridy1)methanes ((py)CH2's), (py)2CMe2, (py)2CEt2, tris(2-pyridyl)methane, several N-alkylimidazoles, N-(2-pyridyl)imidazole, and N-methyl-2-(2-pyridy1)imidazoles) are obtained from addition reactions in acetone. Proton magnetic resonance spectroscopy is used to deduce coordination behavior of potential uni- or polydentate ligands in methanol, indicating that Et3terpy, terpy, (py)2CH2's, and N-methyl-2-(2-pyridyl)imidazoles act as bidentates to give three-coordinate mercury, but (py)2CR2 (R = Me, Et) are present as unidentates. A linear relation is obtained between 2J(1H-199Hg) for [MeHgL]+ and protonation constants for L, where L = N-alkylimidazoles, and the relation is similar to that obtained previously for L = pyridines. The ambidentate ligand N-(2-pyridyl)imidazole binds to mercury via the imidazole ring. Crystalline [MeHg((py)2CH2)]N03 has (py)CH2 present as a bidentate ligand with “T-shape” coordination geometry based on a dominant C-Hg-N moiety [Hg-N = 2.16(1) A, C-Hg-N = 172 (1) and a weaker Hg-N’ bond [2.75(2) A]. Crystalline [MeHg(Et3terpy)]N03 has Et3terpy present as a tridentate ligand with MeHg(II) bonded strongly to the central nitrogen [2.26(2) A, C-Hg-N = 171(1) and weakly to the terminal nitrogens [2.51(2), 2.61(2) A]. Syntheses of new ligands containing pyridyl and N-methylimidazolyl donor groups are described.</p></div><table style="margin-bottom: 1em" border="0" cellpadding="3" class="not_ep_block"><tr><th valign="top" class="ep_row">Item Type:</th><td valign="top" class="ep_row">Article</td></tr><tr><th valign="top" class="ep_row">Subjects:</th><td valign="top" class="ep_row"><a href="http://eprints.utas.edu.au/view/subjects/259901.html">250000 Chemical Sciences > 259900 Other Chemical Sciences > 259901 Organometallic Chemistry</a></td></tr><tr><th valign="top" class="ep_row">Collections:</th><td valign="top" class="ep_row">UNSPECIFIED</td></tr><tr><th valign="top" class="ep_row">ID Code:</th><td valign="top" class="ep_row">2902</td></tr><tr><th valign="top" class="ep_row">Deposited By:</th><td valign="top" class="ep_row"><span class="ep_name_citation"><span class="person_name">Prof Allan J Canty</span></span></td></tr><tr><th valign="top" class="ep_row">Deposited On:</th><td valign="top" class="ep_row">23 Jan 2008 14:26</td></tr><tr><th valign="top" class="ep_row">Last Modified:</th><td valign="top" class="ep_row">23 Jan 2008 14:26</td></tr><tr><th valign="top" class="ep_row">ePrint Statistics:</th><td valign="top" class="ep_row"><a target="ePrintStats" href="/es/index.php?action=show_detail_eprint;id=2902;">View statistics for this ePrint</a></td></tr></table><p align="right">Repository Staff Only: <a href="http://eprints.utas.edu.au/cgi/users/home?screen=EPrint::View&eprintid=2902">item control page</a></p>
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