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A Novel 3D-Supramolecular Coordination Polymer Based on CuCN, Ph3Sn Cation and Quinoxaline

  • Safaa El-din H. Etaiw
  • Safaa N. A. Abdou
Article

Abstract

Reaction of Ph3SnCl and K3[Cu(CN)4] with quinoxaline (qox) at room temperature affords the novel 3D-supramolecular coordination polymer (SCP) 3 [Cu2(CN)4·(Ph3Sn)2·qox], I, as the first example of the organotin-CuCN SCP containing the Ph3Sn fragment. The structure of I displays two Cu(CN)2 building blocks connected by a Ph3Sn cation and qox ligand creating the rhombic [Cu2(μ-CN)2] motif. The structure of I contains three different fused rings, the minicycle [Cu2(μ-CN)2], the 18-atomic [Cu4(Ph3Sn)2(CN)4(qox)2], and the 24-atomic [C8N8Cu4(Ph3Sn)4] rings, which create a non-interpenetrating 3D-network. These rings form a box-like structure with cavities suitable to accommodate bulky phenyl groups. SCP I belongs to the rapidly growing family of supramolecular assemblies containing the quite unusual [Cu2(μ-CN)2] motif, the repeated appearance of which raises the question whether cuprophilic interactions therein are the basic cause of the existence of I.

Keywords

Organotin Quinoxaline Copper cyanide Cuprophilicity 

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  1. 1.Faculty of Science, Chemistry DepartmentTanta UniversityTantaEgypt

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