Issue 5, 2010
From the journal:

CrystEngComm

Solvent effects on the assembly of Ni/Na coordination polymers from reactions of [Ni(acac)2(H2O)2] with sodium dicyanamide†

Xi Chen,a   Shan-Bao Qiao,a   Dong Liu,a   Jian-Ping Lang,*ab   Yong Zhang,a   Cheng Xua  and  Shu-Lin Ma*c  

* Corresponding authors

a College of Chemistry, Chemical Engineering and Materials Science, Suzhou University, Suzhou, P. R. China
E-mail: jplang@suda.edu.cn
Fax: +86-512-65880089

b State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, P. R. China

c Department of Applied Chemistry, College of Science, Tianjin University of Commerce, Tianjin, P. R. China

Abstract

Reaction of a preformed complex [Ni(acac)2(H2O)2] (acac = acetylacetonate) (1) with sodium dicyanamide (dca) in DMF/acetone gave rise to [Ni(acac)2Na2(dca)2(μ-DMF)2]n (2) while analogous reaction of 1 with Na(dca) in MeCN–MeOH formed [Ni(acac)2Na(dca)(MeCN)]n (3). Compound 2 consists of 1D [(acac)2Ni(Na-μ-DMF)2Ni(acac)2]n2n+ cationic zigzag chains that are interlinked by dca anions to produce a 2D network with a Schläfli symbol (4·62)3(42·62)4. Compound 3 contains the cationic [Ni(acac)2Na(MeCN)]nn+ chains that are interconnected by dca anions to form a 3D net with a Schläfli symbol 42·84. Solvent effects may be attributed to the remarkable structural differences of 2 and 3. Magnetic studies revealed that 2 and 3 possess the ferromagnetic interactions between paramagnetic Ni(II) ions.

Graphical abstract: Solvent effects on the assembly of Ni/Na coordination polymers from reactions of [Ni(acac)2(H2O)2] with sodium dicyanamide

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Article information

DOI
https://doi.org/10.1039/B925912K
Article type
Paper
Submitted
08 Dec 2009
Accepted
09 Dec 2009
First published
14 Jan 2010

CrystEngComm, 2010,12, 1610-1616

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Solvent effects on the assembly of Ni/Na coordination polymers from reactions of [Ni(acac)2(H2O)2] with sodium dicyanamide

X. Chen, S. Qiao, D. Liu, J. Lang, Y. Zhang, C. Xu and S. Ma, CrystEngComm, 2010, 12, 1610 DOI: 10.1039/B925912K

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