Volume 24, Issue 6 pp. 811-816
Full Paper

Synthesis and Structural Characterization of Two Lead(II) Complexes of Bis(3,5-dimethylpyrazolyl)methane

Qiao-Yun Li

Qiao-Yun Li

Key Laboratory of Organic Synthesis of Jiangsu Province, School of Chemistry and Chemical Engineering, Suzhou University, Suzhou, Jiangsu 215123, China

Jiangsu Laboratory of Advanced Functional Materials, Changshu Institute of Technology, Changshu, Jiangsu 215500, China

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Wen-Hua Zhang

Wen-Hua Zhang

Key Laboratory of Organic Synthesis of Jiangsu Province, School of Chemistry and Chemical Engineering, Suzhou University, Suzhou, Jiangsu 215123, China

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Hong-Xi Li

Hong-Xi Li

Key Laboratory of Organic Synthesis of Jiangsu Province, School of Chemistry and Chemical Engineering, Suzhou University, Suzhou, Jiangsu 215123, China

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Zhi-Gang Ren

Zhi-Gang Ren

Key Laboratory of Organic Synthesis of Jiangsu Province, School of Chemistry and Chemical Engineering, Suzhou University, Suzhou, Jiangsu 215123, China

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Yong Zhang

Yong Zhang

Key Laboratory of Organic Synthesis of Jiangsu Province, School of Chemistry and Chemical Engineering, Suzhou University, Suzhou, Jiangsu 215123, China

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Jian-Ping Lang

Jian-Ping Lang

Project supported by the National Natural Science Foundation of China (Nos. 20271036, 20525101), Natural Science Foundation of Jiangsu Province (No. BK2004205), and the Research Funds (No. 20050285004) for the Doctoral Program of Higher Education of China.

Tel.: 0086-0512-65882865; Fax: 0086-0512-65880089

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First published: 07 June 2006
Citations: 1

Project supported by the National Natural Science Foundation of China (Nos. 20271036, 20525101), Natural Science Foundation of Jiangsu Province (No. BK2004205), and the Research Funds (No. 20050285004) for the Doctoral Program of Higher Education of China.

Tel.: 0086-0512-65882865; Fax: 0086-0512-65880089

Abstract

Reactions of lead(II) nitrate or perchlorate with bis(3,5-dimethylpyrazolyl)methane (dmpzm), produced two new Pb(II) chelated complexes [Pb(dmpzm)2X2] (X=NO3 1, ClO4 2). Both compounds were structurally characterized by elemental analysis, IR spectroscopy, thermal analysis, and single crystal X-ray diffraction. Both compounds are mononuclear with a distorted square antiprismatic PbN4O4 coordination geometry incorporating a pair of O,O′-bidentate anions and N,N′-bidentate dmpzm ligands. In the crystals of 1 or 2, the methyl or methylene groups of dmpzm ligand interact with the oxygen atoms of nitrates or perchlorates to afford intra- and intermolecular hydrogen bonding, thereby forming a two-dimensional network 1 or a three-dimensional structure 2.

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