Issue 22, 2001
From the journal:

Journal of the Chemical Society, Dalton Transactions

Syntheses, structures and magnetic properties of two copper(Ii) diphosphonates: [NH3(CH2)2NH3]2[Cu2(hedp)2]·H2O and [NH3CH(CH3)CH2NH3]2[Cu2(hedp)2] (hedp = 1-hydroxyethylidenediphosphonate)

Hui-Hua Song,a   Li-Min Zheng,*a   Yong-Jiang Liu,a   Xin-Quan Xin,a   Allan J. Jacobsonb  and  Silvio Decurtinsc  

* Corresponding authors

a State Key Laboratory of Coordination Chemistry, Coordination Chemistry Institute, Nanjing University, Nanjing 210093, P. R. China
E-mail: lmzheng@netra.nju.edu.cn

b Department of Chemistry, University of Houston, Houston, USA

c Department of Chemistry and Biochemistry, Bern University, Bern, Switzerland

Abstract

This paper describes the syntheses and characterization of two new copper(II) diphosphonates: [NH3(CH2)2NH3]2[Cu2(hedp)2]·H2O (1) and [NH3CH(CH3)CH2NH3]2[Cu2(hedp)2] (2) (hedp = 1-hydroxyethylidenediphosphonate). Both compounds exhibit similar one-dimensional linear chain structures. The symmetrical {Cu2(hedp)2} dimers are connected by edge-shared {CuO5} square pyramids and form infinite chains. The Cu(II) ions are alternately bridged by O–P–O groups and O atoms. The Cu–O–Cu angles are 95.8(1) and 96.1(1)° for 1 and 2, respectively. Their magnetic properties show moderately strong antiferromagnetic interactions in both compounds.

Graphical abstract: Syntheses, structures and magnetic properties of two copper(Ii) diphosphonates: [NH3(CH2)2NH3]2[Cu2(hedp)2]·H2O and [NH3CH(CH3)CH2NH3]2[Cu2(hedp)2] (hedp = 1-hydroxyethylidenediphosphonate)

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Article information

DOI
https://doi.org/10.1039/B102346M
Article type
Paper
Submitted
13 Mar 2001
Accepted
13 Sep 2001
First published
17 Oct 2001

J. Chem. Soc., Dalton Trans., 2001, 3274-3278

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Syntheses, structures and magnetic properties of two copper(II) diphosphonates: [NH3(CH2)2NH3]2[Cu2(hedp)2]·H2O and [NH3CH(CH3)CH2NH3]2[Cu2(hedp)2] (hedp = 1-hydroxyethylidenediphosphonate)

H. Song, L. Zheng, Y. Liu, X. Xin, A. J. Jacobson and S. Decurtins, J. Chem. Soc., Dalton Trans., 2001, 3274 DOI: 10.1039/B102346M

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