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Triboluminescence and crystal structure of the centrosymmetric complex [Tb(NO 3 ) 2 (Acac)(Phen) 2 ]·H 2 O
Author(s) -
Bukvetskii B. V.,
Shishov A. S.,
Mirochnik A. G.
Publication year - 2016
Publication title -
luminescence
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.428
H-Index - 45
eISSN - 1522-7243
pISSN - 1522-7235
DOI - 10.1002/bio.3110
Subject(s) - monoclinic crystal system , crystallography , square antiprism , crystal structure , van der waals force , cleavage (geology) , chemistry , luminescence , atom (system on chip) , ion , crystal (programming language) , molecule , materials science , lanthanide , optoelectronics , organic chemistry , fracture (geology) , computer science , embedded system , composite material , programming language
The atomic structure of crystals of the complex [Tb(NO 3 ) 2 (Acac)(Phen) 2 ]·H 2 O, (AA – acetylacetonate anion, Phen – 1,10‐phenanthroline) characterized by an intensive luminescence and triboluminescence has been determined by means of an X‐ray structural analysis method. Centrosymmetric crystals have a monoclinic syngony: a = 11.2298(1), b = 9.6492(1), c = 13.2745(1) Å, β = 101.290(1), space group P2/n, Z = 2, ρ calc = 1.790 g/cm 3 . The crystal structure is represented by individual С 29 Н 25 N 6 O 9 Tb complexes linked through van der Waals interactions with clearly expressed cleavage planes. The Tb(III) atom coordination polyhedron reflects the state of a distorted square antiprism. The structural aspects of the suggested model of formation of the triboluminescent properties were considered and the role of the cleavage planes discussed. Copyright © 2016 John Wiley & Sons, Ltd.