Synthesis, Crystal Structure and Thermal Stability of 3D Heterometallic Bi(Ⅲ)-Pr(Ⅲ) Polymer Complex

Chem. J. Chinese Universities

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Synthesis, Crystal Structure and Thermal Stability of 3D Heterometallic Bi(Ⅲ)-Pr(Ⅲ) Polymer Complex

JIANG Qi-Ying1, DENG Hong-Quan1, ZHONG Guo-Qing1, HE Ping1, HU Ning-Hai2*

1. Department of Chemistry, Southwest University of Science and Technology, Mianyang 621010, China;2. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China

Received:2008-10-04 Revised:1900-01-01 Online:2008-12-10 Published:2008-12-10
Contact: 胡宁海

Abstract

Abstract: A new 3D bismuth(Ⅲ)-praseodymium(Ⅲ) heterometallic complex, ({[(NO3)(H2O)3Pr(μ4-Hedta) Bi(NO3)2]·2H2O}2)n(edta=diaminetetraacecarboxylate), was synthesized and characterized by elemental analysis, FTIR, and X-ray diffraction single crystal structure analysis. It crystallizes in the monoclinic system, with space group P2(1)/n, a=1.26831(18) nm, b=0.82189(12) nm, c=2.3755(3)nm, β=105.055(2)°, V=2.3913(6) nm3, Z=4. Bridging Hedta3- anions between Bi atoms and Pr atoms result into a novel infinite 3D network structure. TG-DSC results indicate that thermal decomposition proceeds in several stages, dehydration, pyrolysis of ligand, and finally decomposition of salt.

Key words: Heterometallic complex, Bismuth(Ⅲ), Praseodymium(Ⅲ)

CLC Number:

O614

TrendMD:

JIANG Qi-Ying1, DENG Hong-Quan1, ZHONG Guo-Qing1, HE Ping1, HU Ning-Hai2*. Synthesis, Crystal Structure and Thermal Stability of 3D Heterometallic Bi(Ⅲ)-Pr(Ⅲ) Polymer Complex[J]. Chem. J. Chinese Universities, doi: .

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Synthesis, Crystal Structure and Thermal Stability of 3D Heterometallic Bi(Ⅲ)-Pr(Ⅲ) Polymer Complex

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