Thermodynamic properties of 5-(1-adamantyl)tetrazole

被引：7

作者：

Stepurko, Elena N. ^{[1
]}

Paulechka, Yauheni U. ^{[1
]}

Blokhin, Andrey V. ^{[1
]}

Kabo, Gennady J. ^{[1
]}

Voitekhovich, Sergei V. ^{[1
]}

Lyakhov, Alexander S. ^{[1
]}

Kohut, Sviataslau V. ^{[1
]}

Kazarovets, Tatiana E. ^{[1
]}

机构：

[1] Belarusian State Univ, Res Inst Phys Chem Problems, Minsk 220030, BELARUS

来源：

THERMOCHIMICA ACTA | 2014年 / 592卷

关键词：

5-(1-Adamantyl)tetrazole; X-ray diffraction study; Heat capacity; Vapor pressure; Enthalpy of formation; Ideal-gas properties; VAPORIZATION; ADAMANTANE; STATE;

D O I：

10.1016/j.tca.2014.07.018

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Temperature dependence of the heat capacity of 5-(1-adamantyl)tetrazole was studied between (5 and 370) K in a vacuum adiabatic calorimeter. From obtained data the thermodynamic properties of the compound in the condensed state were evaluated over the range of (0-370) K. The crystal structure of 5-(1-adamantyl)tetrazole was determined from the X-ray diffraction analysis. The saturated vapor pressure for crystalline 5-(1-adamantyl)tetrazole in the temperature ranges from (394 to 419) K was measured by the Knudsen effusion method, and its enthalpy of sublimation was obtained using these results. The standard enthalpy of formation for crystalline 5-(1-adamantyl)tetrazole at 298.15 K was determined in a static bomb combustion calorimeter. From these data, the standard enthalpy of formation for gaseous 5-(1-adamantyl)tetrazole was evaluated. The enthalpy of formation calculated using quantum chemical methods is in an excellent agreement with the experimental value. The thermodynamic properties of 5-(1-adamantyl)tetrazole in the ideal-gas state were calculated in the temperature range from (0 to 1000) K. The calculated entropy of gaseous 5-(1-adamantyl)tetrazole is in a good agreement with the one obtained from the experimental data. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：10 / 17

页数：8

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