Thermal properties of the hybrid compound [Cu(en)2(VO3)2]·3H2O-phase analysis upon heating and cooling. Crystal structure characterization of its two polymorphic modifications

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F21%3A00543051" target="_blank" >RIV/68378271:_____/21:00543051 - isvavai.cz</a>
Alternative codes found
RIV/00216208:11310/21:10427956
Result on the web
<a href="https://doi.org/10.1016/j.molstruc.2021.129930" target="_blank" >https://doi.org/10.1016/j.molstruc.2021.129930</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.molstruc.2021.129930" target="_blank" >10.1016/j.molstruc.2021.129930</a>

Result language
angličtina
Original language name
Thermal properties of the hybrid compound [Cu(en)2(VO3)2]·3H2O-phase analysis upon heating and cooling. Crystal structure characterization of its two polymorphic modifications
Original language description
The inorganic-organic hybrid compound [Cu(en)2(VO3)2]•3H2O (1) was prepared by crystallization at room temperature from the CuSO4•5H2O – KVO3 – ethylenediamine – H2O system. Upon cooling 1, phase transition occurred at 176 K. Single-crystal diffraction analysis of the high- temperature and low- temperature phases has shown both phases to be polymeric, incorporating metavanadate chains (VO3)n n- –coordinated via oxygen atoms to copper(II) atoms. The four remaining positions of the copper atoms with octahedral environment are taken by nitrogen atoms of two ethylenediamine ligands. The low-temperature phase exhibits displacive modulation in its structure. The band gap of the high-temperature phase is 2.95 eV. The compound is paramagnetic (1.79 μB) and exhibits no distinct magnetic interactions.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10402 - Inorganic and nuclear chemistry

Project
<a href="/en/project/EF15_003%2F0000417" target="_blank" >EF15_003/0000417: Center for Advanced Materials: Design, Synthesis, and Applications</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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