Thermochemistry of some amino acid-based layered copper chlorides

被引：0

作者：

Mazurin, M. O. ^{[1
]}

Sereda, V. V. ^{[1
]}

Tsvetkov, D. S. ^{[1
]}

Ershov, V. D. ^{[1
]}

Ivanov, I. L. ^{[1
]}

Malyshkin, D. A. ^{[1
]}

Zuev, A. Yu. ^{[1
]}

机构：

[1] Ural Fed Univ, Inst Nat Sci & Math, 19 Mira St, Ekaterinburg 620002, Russia

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 2023年 / 177卷

基金：

俄罗斯科学基金会;

关键词：

Thermochemistry; Halide perovskite; Enthalpy of formation from halides; Layered copper halide; Amino acid; GAMMA-AMINOBUTYRIC-ACID; CRYSTAL-STRUCTURE; STABILITY; BR;

D O I：

10.1016/j.jct.2022.106949

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Three different tetrachlorocuprates A2CuCl4 containing 3-aminopropionic, 4-aminobutyric and 6-aminohexanoic acid cations in A-sublattice were synthesized. The temperatures of the decomposition onset for A2CuCl4 were found to increase slightly with the aliphatic chain length in A cation. The standard reaction enthalpies for the formation from organic ammonium chloride and anhydrous copper (II) chloride at T = 298.15 K, Delta rH degrees hal,298 ("hal" denotes the formation from the source halides), were determined by isoperibolic solution calorimetry. The layer shift parameter S was introduced for the sake of comparison of thermochemical and structural data. Both original and literature thermochemical data indicate that simultaneous increase in S and decrease in the molar volume, Vmol, leads to a decrease in the Delta rH degrees hal,298.

引用

页数：7

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