Literature DB >> 28032279

Crystal Structure, Luminescence and Triboluminescence of the Complex [Eu(NO3)23hmpa] NO3·HQuin.

B V Bukvetskii1, I V Kalinovskaya2.   

Abstract

The atomic structure of crystals of the complex [Eu(NO3)23hmpa] NO3·HQuin , (hmpa - hexamethylphosphortriamide, HQuin - quinaldic acid) characterized by intensive luminescence and triboluminescence has been determined by the X-ray method. The noncentro-symmetric crystals of the compound are rhombic : a = 16.8193(3), b = 12.2877(2), c = 27.6516(5) Å, пр. гр. Pca2(1), Z = 4, ρ calc. . = 1.427 g/сm3. The crystals have a structure of the insular type which is presented by the isolated complex molecules, outer-sphere NO3- - groups, and neutral molecules of quinaldic acid. Some structural aspects of formation of the luminescent and triboluminescent properties of the compound were discussed: the role of break planes in the crystal destruction was revealed.

Entities:  

Keywords:  Crystal structure; Europium(III) complexes; Luminescence; Triboluminescence

Year:  2016        PMID： 28032279     DOI： 10.1007/s10895-016-2009-7

Source DB:  PubMed          Journal:  J Fluoresc        ISSN： 1053-0509            Impact factor:   2.217


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  3 in total

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