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Type: Journal article
Title: Structural aspects of the coordination of triethylphosphinegold(I) to 2-thiouracil: a comparison between theory and experiment
Author: Buntine, Mark Anthony
Tiekink, Edward Richard Tom
Stewart, Gerarda Marie
Citation: Journal of Physical Chemistry A, 1997; 101(29):5368-5373
Publisher: American Chemical Society
Issue Date: 1997
ISSN: 1089-5639
School/Discipline: School of Chemistry and Physics
School of Chemistry and Physics : Chemistry
Abstract: The interaction of the thionucleobase 2-thiouracil with the triethylphosphinegold(I) cation has been examined employing ab initio molecular orbital theory. Deprotonation of 2-thiouracil (2-TUH) and subsequent association with [Et₃PAu]⁺ leads to the formation of [Et₃PAu(2-TU H)]; a comparison of calculated and experimental geometric parameters reveals a high degree of agreement. The interaction of two [Et₃PAu]⁺ cations with twice deprotonated 2-TUH indicates that the most stable dinuclear structure is one where coordination occurs via the sulfur and one of the nitrogen atoms leading to almost linear P-Au-S and P-Au-N arrangements, respectively.
Appears in Collections:Chemistry publications

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