Ghosh, Sujit K. ; Bharadwaj, Parimal K. (2006) Self-assembly of alternating left- and right-handed infinite Cd(II) helicates into a 2D open framework structure Journal of Molecular Structure, 796 (1-3). pp. 119-122. ISSN 0022-2860
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00222...
Related URL: http://dx.doi.org/10.1016/j.molstruc.2006.02.008
Abstract
Pyrazine-2,3,5,6-tetracarboxylic acid (ptcH4) reacts with Cd(NO3)2·6H2O at room temperature in the presence of pyridine to form a 2D open framework built from alternating left- and right-handed helicates with the empirical formula, {[Cd2(ptc)·(py)5·H2O]·5H2O·py}n, 1. Lattice water and pyridine molecules form an intricate array of H-bonding with the 2D sheets leading to a 3D structure. This compound crystallizes in the monoclinic space group C2/c with the following lattice parameters-a=24.103(2), b=13.480(5), c=29.176(4) Å, β =109.427(3)°, V=8940(4) Å3, Z=8, R1=0.0513, wR2=0.1552, S=1.085.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | X-ray Crystallography; Supramolecular Chemistry; Self-assembly; Metal-organic Framework; Helical Structure |
| ID Code: | 4906 |
| Deposited On: | 18 Oct 2010 06:16 |
| Last Modified: | 18 May 2011 07:57 |
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