Issue 43, 2011
From the journal:

Dalton Transactions

Novel C–H⋯C contacts involving 3,5-dimethylpyrazoleligands in a tetracoordinate Co(ii) complex†

Stutee Chakravorty,a   James A. Platts*b  and  Birinchi K. Das*a  

* Corresponding authors

a Department of Chemistry, Gauhati University, Guwahati, Assam, India
E-mail: birinchi.das@gmail.com
Fax: +91 361 2700311
Tel: +91 361 2570535

b School of Chemistry, Cardiff University, Park Place, Cardiff, UK
E-mail: platts@cardiff.ac.uk

Abstract

A violet-blue cobalt(II) complex [Co(4-nbz)2(DMP)2] (1), where 4-nbz = 4-nitrobenzoate and DMP = 3,5-dimethylpyrazole, has been prepared at room temperature. Crystallographic studies on 1·0.5H2O reveal that the molecules of 1 are linked by a variety of non-covalent bonds including a novel type of C–H⋯C contact forming, with assistance from N–H⋯O, C–H⋯O and C–H⋯π interactions, an intricate 3-D supramolecular network. Theoretical calculations suggest that the observed C–H⋯C interactions are energetically quite significant.

Graphical abstract: Novel C–H⋯C contacts involving 3,5-dimethylpyrazole ligands in a tetracoordinate Co(ii) complex

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Article information

DOI
https://doi.org/10.1039/C1DT10948K
Article type
Paper
Submitted
20 May 2011
Accepted
15 Aug 2011
First published
29 Sep 2011

Dalton Trans., 2011,40, 11605-11612

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Novel C–H⋯C contacts involving 3,5-dimethylpyrazole ligands in a tetracoordinate Co(II) complex

S. Chakravorty, J. A. Platts and B. K. Das, Dalton Trans., 2011, 40, 11605 DOI: 10.1039/C1DT10948K

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