Anion-directed assembly of supramolecular zinc(ii) halides with N,N′-bis-4-methyl-pyridyl oxalamide | Zendy

BiingChiau Tzeng | Zendy; BoSo Chen | Zendy; Shih-Yang Lee | Zendy; WeiHsin Liu | Zendy; GeneHsiang Lee | Zendy; ShieMing Peng | Zendy

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Anion-directed assembly of supramolecular zinc(ii) halides with N,N′-bis-4-methyl-pyridyl oxalamide

Author(s) -

BiingChiau Tzeng,

BoSo Chen,

Shih-Yang Lee,

WeiHsin Liu,

GeneHsiang Lee,

ShieMing Peng

Publication year - 2005

Publication title -

new journal of chemistry

Language(s) - English

Resource type - Journals

eISSN - 1369-9261

pISSN - 1144-0546

DOI - 10.1039/b508293e

Subject(s) - chemistry , supramolecular chemistry , halide , hydrogen bond , zinc , supramolecular polymers , crystallography , supramolecular assembly , amide , ligand (biochemistry) , luminescence , coordination polymer , stereochemistry , polymer chemistry , crystal structure , inorganic chemistry , molecule , organic chemistry , biochemistry , receptor , physics , optoelectronics

We report here the supramolecular structures and solid state luminescence of zinc(II) halides with N,N′-bis-4-methyl-pyridyl oxalamide (L), where the supramolecular assembly formed is dependent on the halide, and led to the formation of one-dimensional coordination polymers for Cl ([ZnCl2(L)]n) and Br ([ZnBr2(L)]n) or a discrete macrocycle for I ([ZnI2(L)]2), respectively. The rectangular structure of iodo compounds with pyridyl amide L shows an interesting nanotube framework built from π⋯π interactions in combination with hydrogen bonding. To our knowledge, these are rare examples of the anion-directed assembly of supramolecular structures. The low energy emission at ca. 500 nm for [ZnI2(L)]2 is assigned to a ligand-to-metal charge-transfer (LMCT) transition.

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