A three-dimensional pyrazine-2,5-dicarboxylate Cd(II) coordination framework with new (4,4,4)-connected three-nodal topology

Acta Crystallographica. Section C, Crystal Structure Communications
Ping Yang, Jian Zhong Wu

Abstract

Poly[(mu(4)-pyrazine-2,5-dicarboxylato)cadmium(II)], [Cd(C(6)H(2)N(2)O(4))](n) or [Cd(pzdc)](n) (pzdc is the pyrazine-2,5-dicarboxylate dianion), has been synthesized hydrothermally. The asymmetric unit consists of a Cd(II) atom and two independent halves of pzdc ligands that can be expanded via inversion through the centres of the ligands so that each ligand binds to four Cd(II) atoms with the same binding mode using six donor atoms. The Cd(II) centre is in a distorted octahedral coordination geometry with four O- and two N-atom donors from four pzdc ligands. The infinite linkage of the metal atoms and ligands forms a three-dimensional framework with a rectangular channel which is so narrow that there is no measurable void space in the overall structure. This coordination polymer represents the first example of (4,4,4)-connected three-nodal framework.

Citations

Jan 1, 2009·Acta Crystallographica. Section E, Structure Reports Online·Zhen Hu, Zhi-Bo Zhu
Jan 1, 2009·Acta Crystallographica. Section E, Structure Reports Online·Zhi-Meng Liu, Yuan-Qi Jiao
Jan 1, 2009·Acta Crystallographica. Section E, Structure Reports Online·Jin Min Li
Jan 1, 2009·Acta Crystallographica. Section E, Structure Reports Online·Xiu-Juan YinShu-Fan Yin
Jan 1, 2010·Acta Crystallographica. Section E, Structure Reports Online·Kuan ZhangShu-Fan Yin
Jan 1, 2010·Acta Crystallographica. Section E, Structure Reports Online·Mei-Mei ZhangXiang-Shan Wang
Jan 1, 2010·Acta Crystallographica. Section E, Structure Reports Online·Chong-Zhen MeiPeng Zhang
Jan 1, 2010·Acta Crystallographica. Section E, Structure Reports Online·Hai-Tao GaoJun-Kai Ma
Jan 1, 2010·Acta Crystallographica. Section E, Structure Reports Online·Yan-Wei Zhang
Jan 1, 2010·Acta Crystallographica. Section E, Structure Reports Online·Wojciech Starosta, Janusz Leciejewicz
Apr 28, 2011·Acta Crystallographica. Section E, Structure Reports Online·Jian-You ShiChen Lu
Apr 28, 2011·Acta Crystallographica. Section E, Structure Reports Online·Bing GuoJian-Ning Guan
Aug 13, 2011·Acta Crystallographica. Section E, Structure Reports Online·Jing HuangHong-Ji Chen
Nov 5, 2011·Acta Crystallographica. Section C, Crystal Structure Communications·Jun FanWei-Guang Zhang

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