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Ni II , Pd II Complexes with Pyrene‐based Thiosemicarbazones: Syntheses, Molecular Structures, and Excimeric Emissions
Author(s) -
Nguyen MinhHai,
Khuat ThiThuyHa,
Nguyen HungHuy,
Dinh ThiHien
Publication year - 2019
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.201800437
Subject(s) - pyrene , stacking , intramolecular force , chemistry , crystallography , crystal structure , photoluminescence , spectral line , stereochemistry , materials science , physics , organic chemistry , optoelectronics , astronomy
A series of Ni II and Pd II complexes with pyrene‐based thiosemicarbazones were conveniently prepared. The crystal structures of Ni(L 2 ) 2 , Pd(L 1 ) 2 , and Pd(L 2 ) 2 were determined. X‐ray crystallographic analysis reveals that the complexes are of mononuclear structure with two pyrenyl rings cofacially aligned. The photoluminescence spectra of the complexes exhibit moderate characteristic excimeric emissions arising from intramolecular π–π stacking between pyrenyl rings.