Citation:
WU Qi-Qi, HUANG Pan, FAN Lin-Tao, LI Min, CHEN Zhi-Rong, LI Yi, LI Hao-Hong. Structures, Properties and Theoretical Studies on Two Viologen/Iodoargentate Supramolecular Hybrids[J]. Chinese Journal of Structural Chemistry,
2016, 35(11): 1637-1644.
doi:
10.14102/j.cnki.0254-5861.2011-1199
Structures, Properties and Theoretical Studies on Two Viologen/Iodoargentate Supramolecular Hybrids
摘要:
Two iodoargentate hybrids templated by viologen or viologen-like cations, i.e.[MV(Ag2I4)]n (1) and [MBYP(AgI2)]n (2), (MV2+=methyl viologen, MBYP+=1-methyl-2,2'-bipyridine) have been synthesized in polar organic solvents. (Ag2I4)n2- and (AgI2)n2-chains in both compounds were constructed from edge-sharing of normal and distorted AgI4 tetrahedra, and a 2-D supramolecular layer based on C-H…I hydrogen bond was observed in 1. The band gaps of 1.54 and 2.67 eV indicated their semiconductor nature. Their band gap difference was led by different hydrogen bond donors in MV2+ and MBYP+, which result in more diffused p-π* antibonding orbitals in MV2+.
English
Structures, Properties and Theoretical Studies on Two Viologen/Iodoargentate Supramolecular Hybrids
Abstract:
Two iodoargentate hybrids templated by viologen or viologen-like cations, i.e.[MV(Ag2I4)]n (1) and [MBYP(AgI2)]n (2), (MV2+=methyl viologen, MBYP+=1-methyl-2,2'-bipyridine) have been synthesized in polar organic solvents. (Ag2I4)n2- and (AgI2)n2-chains in both compounds were constructed from edge-sharing of normal and distorted AgI4 tetrahedra, and a 2-D supramolecular layer based on C-H…I hydrogen bond was observed in 1. The band gaps of 1.54 and 2.67 eV indicated their semiconductor nature. Their band gap difference was led by different hydrogen bond donors in MV2+ and MBYP+, which result in more diffused p-π* antibonding orbitals in MV2+.
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Key words:
- organic-inorganic hybrid
- / iodoargentate
- / viologen
- / DFT calculation
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