Citation: Xiao-Wei QI, Shui-Xing WU, Li-Zhi HAN, Zai-Feng SHI, Xiao-Peng ZHANG. Variance of Solid-state Pt…Pt Interactions in Luminescent Cyclometalated Cationic Pt(Ⅱ)-isocyanide Complexes[J]. Chinese Journal of Structural Chemistry, ;2020, 39(4): 709-717. doi: 10.14102/j.cnki.0254-5861.2011-2488 shu

Variance of Solid-state Pt…Pt Interactions in Luminescent Cyclometalated Cationic Pt(Ⅱ)-isocyanide Complexes

Xiao-Wei QI ^a ,
Shui-Xing WU ^a ,
Li-Zhi HAN ^{a, b} ,
Zai-Feng SHI ^a,, ,
Xiao-Peng ZHANG ^a,,

a.
Key Laboratory of Water Pollution Treatment & Resource Reuse of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China
b.
Department of Chemistry, Northeast Normal University, Changchun 130024, China

Corresponding author: Zai-Feng SHI, zaifengshi@163.com Xiao-Peng ZHANG, xpzhang@hainnu.edu.cn
Received Date: 2 June 2019
Accepted Date: 19 November 2019

Fund Project: the National Natural Science Foundation of China 21601043the National Natural Science Foundation of China 21961009the National Natural Science Foundation of China 21663011Natural Science Foundation of Hainan Province ZDYF2019140Natural Science Foundation of Hainan Province 219MS041

Figures(10)

Polymorphic structures of cyclometalated cationic Pt(Ⅱ)-isocyanide complexes (–)-1 [Pt((−)-NNC)(Dmpi)]Cl with different packing modes can be isolated before. In this paper, a series of solid-state powders with variable colors (yellow, orange and red) have been obtained from the evaporation of complex (–)-1 in different solvents. The crystallinity, thermogravimetric properties, absorption, luminescence and excited state lifetimes have been studied. In addition, intermolecular Pt···Pt interactions in the optimized configurations of different aggregates have been explored, and calculations of frontier molecular orbitals of monomer, dimer, trimer and tetramer have been carried out.
- Pt(Ⅱ) complex,
- luminescence,
- Pt···Pt interactions,
- density functional theory,
- (DFT)
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