Construction of a 3D array of cadmium(II) using squarate as a building block

Tapas Kumar Maji; Golam Mostafa; Saugata Sain; J. Shashidhara Prasad; Nirmalendu Ray Chaudhuri

doi:10.1039/B105080J

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Tapas Kumar Maji,^a Golam Mostafa,^b Saugata Sain,^a J. Shashidhara Prasad^c and Nirmalendu Ray Chaudhuri*^a

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* Corresponding authors

^a Department of Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, India
E-mail: icnrc@mahendra.iacs.res.in

^b Department of Physics, Krishnath College, Berhampur, India

^c Department of Studies in Physics, University of Mysore, Manasagangotri, Mysore, India

Abstract

A unique three-dimensional coordination polymer of cadmium(II), [Cd(C₄O₄)(H₂O)₂]_n1 (C₄O₄²⁻⊕=⊕squarate dianion), has been synthesized and characterized by single crystal structural analysis. The molecular structure shows that each bridging squarate dianion functions as a four-fold monodentate ligand to form a cage-like channel network. The compound crystallizes in the rhombohedral system, space group R [3 with combining macron] (no. 148) with a⊕=⊕b⊕=⊕11.765(6) Å and c⊕=⊕14.920(7) Å, γ⊕=⊕120°, Z⊕=⊕9, V⊕=⊕1788.5(15) Å³. Thermal investigation reveals that the dehydrated compound is remarkably stable.

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Article information

DOI: https://doi.org/10.1039/B105080J
Article type: Paper
Submitted: 11 Jun 2001
Accepted: 16 Aug 2001

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CrystEngComm, 2001,3, 155-158

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