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Issue 3, 2014
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Silver(I) supramolecular complexes generated from isophorone-based ligands: crystal structures and enhanced nonlinear optical properties through metal complexation

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Abstract

By self-assembly of (E)-2-(3-(4-(1H-imidazol-1-yl)styryl)-5,5-dimethylcyclohex-2-enylidene)malononitrile (L1) and (E)-2-(3-(4-(1H-1,2,4-triazol-1-yl)styryl)-5,5-dimethylcyclohex-2-enylidene)malononitrile (L2) with silver(I) salts, eight new complexes, namely AgL12ClO4 (1), AgL12NO3 (2), [AgL12NO3]·C6H6 (3), [AgL12OOCCF3]·C6H6 (4), [AgL12PF6]·C6H6 (5), AgL22NO3 (6), [AgL2OOCCF3]2 (7) and AgL22PF6 (8), are presented along with an analysis of their structural features. The structures are built up through the combination of coordination bonds, Ag⋯π, Ag⋯F (or O), hydrogen bonding, and π⋯π stacking interactions to generate new supramolecular architectures. We observed the formation of two-dimensional coordination polymers for complex 7. Solvent benzene molecules and anions are dispersed in the supramolecular structure and play a vital role in building the supramolecular structures of the complexes. The nonlinear optical (NLO) properties of the complexes were investigated using the Z-scan technique and complexes 1, 2, 3, 4 and 7 show obviously nonlinear absorption compared with ligands (L1 and L2).

Graphical abstract: Silver(i) supramolecular complexes generated from isophorone-based ligands: crystal structures and enhanced nonlinear optical properties through metal complexation

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Publication details

The article was received on 23 Aug 2013, accepted on 25 Sep 2013 and first published on 07 Oct 2013


Article type: Paper
DOI: 10.1039/C3DT52364K
Citation: Dalton Trans., 2014,43, 1139-1150
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    Silver(I) supramolecular complexes generated from isophorone-based ligands: crystal structures and enhanced nonlinear optical properties through metal complexation

    Z. Zheng, Z. Yu, M. Yang, F. Jin, L. Ye, M. Fang, H. Zhou, J. Wu and Y. Tian, Dalton Trans., 2014, 43, 1139
    DOI: 10.1039/C3DT52364K

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