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

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Abstract 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.

Key words： Pt(II) complex luminescence Pt···Pt interactions density functional theory (DFT)

Received: 03 June 2019 Published: 13 April 2020

Fund:Pt(II) complex|luminescence|Pt···Pt interactions|density functional theory ①This work was supported by the National Natural Science Foundation of China (No. 21601043, 21961009,21663011), and Natural Science Foundation ofHainan Province (ZDYF2019140, 219MS041)

Corresponding Authors: xpzhang@hainnu.edu.cn and zaifengshi@163.com E-mail: xpzhang@hainnu.edu.cn and zaifengshi@163.com

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	QI Xiao-Wei
	WU Shui-Xing
	HAN Li-Zhi
	SHI Zai-Feng
	ZHANG Xiao-Peng

Cite this article:

QI Xiao-Wei,WU Shui-Xing,HAN Li-Zhi, et al. 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.

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http://manu30.magtech.com.cn/jghx/EN/ OR http://manu30.magtech.com.cn/jghx/EN/Y2020/V39/I4/709

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