Vaidhyanathan, R. ; Natarajan, Srinivasan ; Rao, C. N. R. (2004) A chiral mixed carboxylate,[Nd4(H2O)2(OOC(CH2)3 COO)4(C2O4)2],exhibiting NLO properties Journal of Solid State Chemistry, 177 (4-5). pp. 1444-1448. ISSN 0022-4596
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00224...
Related URL: http://dx.doi.org/10.1016/j.jssc.2003.11.026
Abstract
Reaction of a mixture of neodymium carbonate, HCl, oxamic acid and glutaric acid under hydrothermal conditions gives rise to a new mixed carboxylate of neodymium, [Nd4(H2O)2(OOC(CH2)3COO)4(C2O4)2], I. The structure, determined using single crystal X-ray diffraction, comprises a helical column formed by the grafting of the oxalate unit on to helical NdO9 chains, cross-linked by the glutarate anions. It is noteworthy that the pitch of the helix is equivalent to the length of the oxalate unit. Furthermore, I shows about 1.1 times the SHG activity of urea.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Hydrothermal; Mixed Carboxylate; SHG; Nd |
| ID Code: | 27704 |
| Deposited On: | 11 Dec 2010 08:24 |
| Last Modified: | 10 Jun 2011 08:24 |
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