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<title>UTas ePrints - Synthesis and Structure of Methylmercury(II) Complexes of 9-Methylguanine, including the X-Ray Structural Analysis of (9-Methy1guanine)methylmercury(II) Nitrate</title>
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<meta content="Canty, A.J." name="eprints.creators_name" />
<meta content="Tobias, R.S." name="eprints.creators_name" />
<meta content="Chaichit, N." name="eprints.creators_name" />
<meta content="Gatehouse, B.M." name="eprints.creators_name" />
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<meta content="Synthesis and Structure of Methylmercury(II) Complexes of 9-Methylguanine, including the X-Ray Structural Analysis of (9-Methy1guanine)methylmercury(II) Nitrate" name="eprints.title" />
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<meta content="Methylmercury(II) nitrate reacts with 9-methylguanine (9-MeGua) in water to form solid complexes of stoicheiometry
[HgMe(9-MeGuaH-1)], [HgMe(9-MeGua)][NO3], [HgMe(9-MeGua)] [NO3].H2O, and [(HgMe)2(9-MeGuaH-1)][NO3]. Comparison of i.r. spectra of the solid complexes and lH n.m.r. spectra of [2H6]dimethylsulphoxide-soluble (ionic) complexes with spectra of analogous guanosine (Guo) complexes indicates that complexes of 9-MeGua and Guo with similar stoicheiometry have the same mode of binding of Hg(II)Me to the purine ring. The spectra indicate that [HgMe(9-MeGuaH-1)] and [(HgMe)2(9-MeGuaH-1)][NO3] have Hg(II)Me
bonded to N(1) and both N(l) and N(7), respectively, and the complexes [HgMe(9-MeGua)][NO3] and [HgMe(9-MeGua)][NO3].H2O have Hg(II)Me bonded to N(7) with retention of a proton at N(1). Crystals of [HgMe(9-MeGua)][NO3] are monoclinic, with a = 4.196(1), b = 15.060(4), c = 18.288(5) A, beta = 90.17(2), Z = 4, and space group P21/c. The structure has been solved by conventional Patterson and Fourier methods and refined by least-squares techniques to R 0.061 for 1152 reflections collected by diffractometer. The complex has Hg(II)Me bound to N(7) with Hg-C 2.06(2), Hg-N(7) 2.09(2) A, and C-Hg-N(7) 175(1). Mercury interacts weakly with nearby nitrate ions, with Hg 0 2.75(2) and 2.99(2) A; the purine ring is planar with the Hg(II)Me group slightly tilted from this plane, Hg being -0.1 68(1) and the carbon atom -0.41 l(25) A from the plane." name="eprints.abstract" />
<meta content="1980" name="eprints.date" />
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<meta content="Tobias, R.S." name="DC.creator" />
<meta content="Chaichit, N." name="DC.creator" />
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<meta content="Methylmercury(II) nitrate reacts with 9-methylguanine (9-MeGua) in water to form solid complexes of stoicheiometry
[HgMe(9-MeGuaH-1)], [HgMe(9-MeGua)][NO3], [HgMe(9-MeGua)] [NO3].H2O, and [(HgMe)2(9-MeGuaH-1)][NO3]. Comparison of i.r. spectra of the solid complexes and lH n.m.r. spectra of [2H6]dimethylsulphoxide-soluble (ionic) complexes with spectra of analogous guanosine (Guo) complexes indicates that complexes of 9-MeGua and Guo with similar stoicheiometry have the same mode of binding of Hg(II)Me to the purine ring. The spectra indicate that [HgMe(9-MeGuaH-1)] and [(HgMe)2(9-MeGuaH-1)][NO3] have Hg(II)Me
bonded to N(1) and both N(l) and N(7), respectively, and the complexes [HgMe(9-MeGua)][NO3] and [HgMe(9-MeGua)][NO3].H2O have Hg(II)Me bonded to N(7) with retention of a proton at N(1). Crystals of [HgMe(9-MeGua)][NO3] are monoclinic, with a = 4.196(1), b = 15.060(4), c = 18.288(5) A, beta = 90.17(2), Z = 4, and space group P21/c. The structure has been solved by conventional Patterson and Fourier methods and refined by least-squares techniques to R 0.061 for 1152 reflections collected by diffractometer. The complex has Hg(II)Me bound to N(7) with Hg-C 2.06(2), Hg-N(7) 2.09(2) A, and C-Hg-N(7) 175(1). Mercury interacts weakly with nearby nitrate ions, with Hg 0 2.75(2) and 2.99(2) A; the purine ring is planar with the Hg(II)Me group slightly tilted from this plane, Hg being -0.1 68(1) and the carbon atom -0.41 l(25) A from the plane." name="DC.description" />
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<h1 class="ep_tm_pagetitle">Synthesis and Structure of Methylmercury(II) Complexes of 9-Methylguanine, including the X-Ray Structural Analysis of (9-Methy1guanine)methylmercury(II) Nitrate</h1>
<p style="margin-bottom: 1em" class="not_ep_block"><span class="person_name">Canty, A.J.</span> and <span class="person_name">Tobias, R.S.</span> and <span class="person_name">Chaichit, N.</span> and <span class="person_name">Gatehouse, B.M.</span> (1980) <xhtml:em>Synthesis and Structure of Methylmercury(II) Complexes of 9-Methylguanine, including the X-Ray Structural Analysis of (9-Methy1guanine)methylmercury(II) Nitrate.</xhtml:em> Journal of the Chemical Society, Dalton Transactions . pp. 1693-1697. ISSN 1477-9226</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/2852/1/Dalton1980_2C_1693.pdf"><img alt="[img]" src="http://eprints.utas.edu.au/style/images/fileicons/application_pdf.png" class="ep_doc_icon" border="0" /></a></td><td valign="top"><a href="http://eprints.utas.edu.au/2852/1/Dalton1980_2C_1693.pdf"><span class="ep_document_citation">PDF</span></a> - Full text restricted - Requires a PDF viewer<br />662Kb</td><td><form method="get" accept-charset="utf-8" action="http://eprints.utas.edu.au/cgi/request_doc"><input accept-charset="utf-8" value="3847" name="docid" 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://www.rsc.org/Publishing/Journals/">http://www.rsc.org/Publishing/Journals/</a></p><div class="not_ep_block"><h2>Abstract</h2><p style="padding-bottom: 16px; text-align: left; margin: 1em auto 0em auto">Methylmercury(II) nitrate reacts with 9-methylguanine (9-MeGua) in water to form solid complexes of stoicheiometry
[HgMe(9-MeGuaH-1)], [HgMe(9-MeGua)][NO3], [HgMe(9-MeGua)] [NO3].H2O, and [(HgMe)2(9-MeGuaH-1)][NO3]. Comparison of i.r. spectra of the solid complexes and lH n.m.r. spectra of [2H6]dimethylsulphoxide-soluble (ionic) complexes with spectra of analogous guanosine (Guo) complexes indicates that complexes of 9-MeGua and Guo with similar stoicheiometry have the same mode of binding of Hg(II)Me to the purine ring. The spectra indicate that [HgMe(9-MeGuaH-1)] and [(HgMe)2(9-MeGuaH-1)][NO3] have Hg(II)Me
bonded to N(1) and both N(l) and N(7), respectively, and the complexes [HgMe(9-MeGua)][NO3] and [HgMe(9-MeGua)][NO3].H2O have Hg(II)Me bonded to N(7) with retention of a proton at N(1). Crystals of [HgMe(9-MeGua)][NO3] are monoclinic, with a = 4.196(1), b = 15.060(4), c = 18.288(5) A, beta = 90.17(2), Z = 4, and space group P21/c. The structure has been solved by conventional Patterson and Fourier methods and refined by least-squares techniques to R 0.061 for 1152 reflections collected by diffractometer. The complex has Hg(II)Me bound to N(7) with Hg-C 2.06(2), Hg-N(7) 2.09(2) A, and C-Hg-N(7) 175(1). Mercury interacts weakly with nearby nitrate ions, with Hg 0 2.75(2) and 2.99(2) A; the purine ring is planar with the Hg(II)Me group slightly tilted from this plane, Hg being -0.1 68(1) and the carbon atom -0.41 l(25) A from the plane.</p></div><table style="margin-bottom: 1em" cellpadding="3" class="not_ep_block" border="0"><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/250204.html">250000 Chemical Sciences > 250200 Inorganic Chemistry > 250204 Bioinorganic Chemistry</a></td></tr><tr><th valign="top" class="ep_row">ID Code:</th><td valign="top" class="ep_row">2852</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">04 Jan 2008 14:23</td></tr><tr><th valign="top" class="ep_row">Last Modified:</th><td valign="top" class="ep_row">09 Jan 2008 02:30</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=2852;">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=2852">item control page</a></p>
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