Bis[4-amino-N-(pyrimidin-2-yl)benzenesulfonamido]diamminecopper(II): aqua or ammine ligands?

IF 0.8 4区 化学
Fangfang Pan, Irmgard Kalf, Ulli Englert
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引用次数: 2

Abstract

Diffraction results obtained at 100 and 291 K, the former at high resolution, are reported for the title compound, [Cu(C10H9N4O2S)2(NH3)2] or [Cu(sulfa)2(NH3)2] [Hsulfa is 4-amino-N-(pyrimidin-2-yl)benzenesulfonamide]. The Cu(II) cation is coordinated by two N-atom donors from a bidentate sulfa ligand, by two ammonia molecules in the equatorial plane and by a monohapto (η(1)) sulfadiazine at the apex of a distorted square pyramid. The present interpretation and two earlier reports [Brown, Cook & Sengier (1987). Acta Cryst. C43, 2332-2334; Tommasino, Renaud, Luneau & Pilet (2011). Polyhedron, 30, 1663-1670] disagree about the nature and geometry of the ligands. The relationship between the present result and the former is discussed, and evidence is provided that the latter erroneously assigned an ammine as an aqua ligand.

双[4-氨基- n-(嘧啶-2-基)苯磺胺]二胺铜(II):水或胺配体?
本文报道了标题化合物[Cu(C10H9N4O2S)2(NH3)2]或[Cu(sulfa)2(NH3)2] [Hsulfa是4-氨基- n-(嘧啶-2-基)苯磺酰胺]在100 K和291 K下的高分辨率衍射结果。Cu(II)阳离子由来自双齿磺胺配体的两个n原子供体、赤道面上的两个氨分子和畸变方形金字塔顶端的单半(η(1))磺胺嘧啶配位。目前的解释和两个早期的报告[Brown, Cook & Sengier(1987)]。Acta结晶。C43, 2332 - 2334;Tommasino, Renaud, Luneau & Pilet(2011)。对配体的性质和几何形状有不同的看法。讨论了目前的结果与前者之间的关系,并提供了后者错误地将胺指定为水配体的证据。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
自引率
12.50%
发文量
0
审稿时长
1 months
期刊介绍: Acta Crystallographica Section C: Structural Chemistry is continuing its transition to a journal that publishes exciting science with structural content, in particular, important results relating to the chemical sciences. Section C is the journal of choice for the rapid publication of articles that highlight interesting research facilitated by the determination, calculation or analysis of structures of any type, other than macromolecular structures. Articles that emphasize the science and the outcomes that were enabled by the study are particularly welcomed. Authors are encouraged to include mainstream science in their papers, thereby producing manuscripts that are substantial scientific well-rounded contributions that appeal to a broad community of readers and increase the profile of the authors.
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