Synthesis, Structure, and Reversible Thermochromism of Guanidinium Hexabromotellurate(IV) |
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| Authors: | T. V. Storozhuk B. V. Bukvetskii A. G. Mirochnik V. E. Karasev |
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| Affiliation: | (1) Institute of Chemistry, Far East Branch, Russian Academy of Sciences, Vladivostok |
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| Abstract: | Guanidinium hexabromotellurate(IV), C2H12N6TeBr6, has been synthesized and characterized by element analysis and diffuse reflectance spectroscopy. Its crystal structure has been determined (R=0.027). The complex is built from layers of [TeBr6]2– anions and [CH5N3H]+ cations linked by N–H...Br hydrogen bonds and united by van der Waals interactions into a 3D framework. The electronic factors governing the spectral behavior of the complexes at 100 and 300 K are discussed, and reversible thermochromism has been revealed. |
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| Keywords: | tellurium(IV) complexes structure thermochromic properties synthesis diffuse reflectance |
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