Thermodynamic properties of 1,3-dimethylsilatrane and 1-(2-cyanoethyl)silatrane |
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| Authors: | M G Voronkov L Ya Tsvetkova E B Solovich N V Novoselova G A Kuznetsova V P Baryshok |
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| Institution: | (1) Favorskii Irkutsk Institute of Chemistry, Siberian Division, Russian Academy of Sciences, ul. Favorskogo 1, Urkutsk, 664033, Russia;(2) Research Institute of Chemistry, Lobachebsky Nizhni Novgorod State University, Nizhni Novgorod, Russia |
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| Abstract: | The heat capacities of 1,3-dimethylsilatrane and 1-(2-cyanoethyl)silatrane were measured, and their thermodynamic functions were calculated. In the intervals 12–205 and 215–315 K, the heat capacity of 1,3-dimethylsilatrane smoothly varies with temperature. A reproducible thermal effect is observed at ～315 K, and a G-type transition, in the range 205–215 K. 1-(2-Cyanoethyl)silatrane shows no anomalies in the examined temperature range. Above 260 K, the rate of the growth of the heat capacity with temperature increases. |
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