Issue 42, 2013
From the journal:

CrystEngComm

A continuing tale of chirality: metal coordination extended axial chirality of 4,4′-bipy to 1D infinite chain under cooperation of a nucleotide ligand†

Pei Zhou,a   Jian-feng Yao,a   Chuan-fang Shenga  and  Hui Li*a  

* Corresponding authors

a Key Laboratory of Clusters Science of Ministry of Education, School of Science, Beijing Institute of Technology, Beijing 100081, P. R. China
E-mail: lihui@ bit.edu.cn
Fax: +86-10-82575113
Tel: +86-10-68912667

Abstract

1D and 2D homochiral nucleotides coordination polymers UMP/CMP-4,4′-bipy-M(II) (M = Co, Cu, Ni) 1–5 were designed, synthesized and analyzed by the single-crystal X-ray diffraction method. Axial chirality of 4,4′-bipy is captured and extended to a 1D infinite chain due to metal coordination and cooperation of a chiral nucleotide inducer, which is defined as Extended Axial Chirality (EAC) for the first time. Different chiral sources coexist in these nucleotide coordination polymers and can be observed clearly in solid-state circular dichroism (CD) spectroscopy, including the inherent chirality of ligands, extended axial chirality and supramolecular helical chirality. Furthermore, 2D complexes of CMP-bipy-Cu (3) present dominant Cu(II)⋯Cu(II) magnetic exchange through (–O–P–O–) and bipy bridge, exhibiting ferromagnetic interactions.

Graphical abstract: A continuing tale of chirality: metal coordination extended axial chirality of 4,4′-bipy to 1D infinite chain under cooperation of a nucleotide ligand

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Article information

DOI
https://doi.org/10.1039/C3CE40977E
Article type
Paper
Submitted
17 Jun 2013
Accepted
08 Aug 2013
First published
08 Aug 2013

CrystEngComm, 2013,15, 8430-8436

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A continuing tale of chirality: metal coordination extended axial chirality of 4,4′-bipy to 1D infinite chain under cooperation of a nucleotide ligand

P. Zhou, J. Yao, C. Sheng and H. Li, CrystEngComm, 2013, 15, 8430 DOI: 10.1039/C3CE40977E

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