Low-Temperature Thermodynamic Properties of Cu(C11H19O2)2: A Universal Description of the Heat Capacity of Metal Dipivaloylmethanates

被引：0
|
作者：
Bespyatov, M. A. [1 ]
Chernyaikin, I. S. [1 ]
Kuzin, T. M. [1 ]
Stabnikov, P. A. [1 ]
Gelfond, N. V. [1 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Nikolaev Inst Inorgan Chem, Novosibirsk 630090, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2024年 / 98卷 / 09期
关键词：
heat capacity; thermodynamic functions; adiabatic calorimetry; metal dipivaloylmethanates; CPFIT PROGRAM; CALORIMETRY; COPPER(II); ENTHALPIES; COMPLEXES; CRYSTALS;
D O I：
10.1134/S0036024424700997
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The heat capacity of copper bis-dipivaloylmethanate complex (Cu(C11H19O2)(2) or Cu(dpm)(2); CAS no. 14040-05-2) in the 5.440-313.271 K range of temperatures is measured via adiabatic calorimetry. The functional behavior of the heat capacity in the studied range of temperatures does not exhibit any anomaly that could be attributed to phase transitions. The heat capacity data are used to calculate entropy, enthalpy increment, and reduced Gibbs energy in the 0-310 K range of temperatures. Based on this analysis, a universal description of heat capacity is proposed for metal dipivaloylmethanates in a wide range of temperatures. The description can be used to calculate the thermodynamic characteristics of objects from this isoligand group of metal beta-diketonates that have yet to be studied.
引用
收藏
页码：1901 / 1907
页数：7
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