Published in Journal of Thermal Analysis and Calorimetry
In the present paper, we report the standard molar Gibbs energy of formation for CaThF6 measured by gas equilibration and e.m.f. methods. The HF(g) vapour pressure over the equilibrium reaction: CaThF6cr+2H2Og=CaF2cr+ThO2cr+4HFg\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepac...
Published in Journal of Solid State Electrochemistry
In the present paper, we have reported the standard molar Gibbs energy of formation for Li2CaThF8(s) measured by solid electrolyte galvanic cell technique with CaF2 as solid electrolyte. The heat capacity, Cp, of the compound has been measured using the differential scanning calorimetric technique. Based on the experimentally obtained thermodynamic...
Published in Journal of Thermal Analysis and Calorimetry
A new chiral mononuclear iron(II) compound, formulated as {[Fe(ACBP)3]·(ClO4)} (1, ACBP = (S,S)-3,3′-(1,2-dimethylpropanedioxy)-2,2′-bipyridine), has been synthesized and structurally characterized. The magnetic study revealed that compound 1 possesses antiferromagnetic exchange interactions between Fe(II) ions through the hydrogen bonds. The low-t...
Published in Journal of Thermal Analysis and Calorimetry
The standard molar heat capacity measurements on compounds Rb2TeO3 (s), Rb2Te2O5 (s) and Rb2Te4O9 (s) in the Rb–Te(IV)–O system were taken using differential scanning calorimeter in the temperature range 325–675 K. The compounds were synthesized by solid-state route and characterized using X-ray diffraction technique. The molar heat capacity values...
Published in Journal of Thermal Analysis and Calorimetry
The Li2TeO3 (s) and Li2TeO4 (s) were synthesized using solid-state reaction route and characterized using X-ray powder diffraction techniques. Molar heat capacity measurement on Li2TeO3 (s) and Li2TeO4 (s) were carried out using differential scanning calorimeter. The molar heat capacity values were least squares analyzed, and the dependence of mola...
Published in Journal of Thermal Analysis and Calorimetry
2-Pyrazinecarboxylate cupric(II) complex Cu(pyza)2(H2O)2(s) was synthesized by the method of liquid phase synthesis. The composition and structure of the compound were characterized by chemical and elemental analyses and X-ray crystallography. Low-temperature heat capacities of the compound were measured by a precision automated adiabatic calorimet...
Published in Journal of Thermal Analysis and Calorimetry
Molar heat capacities of ethyl 4-dimethylaminobenzoate were measured by a high precision automated adiabatic calorimeter over the temperature range from 79 to 397 K. The melting temperature, the molar enthalpy and entropy of fusion were determined to be (336.818 ± 0.017) K, (20.761 ± 0.345) kJ mol−1 and (61.64 ± 1.03) J K−1 mol−1. It has a great po...
Published in Chinese Science Bulletin
A series of lanthanide complexes [Ln(4-Cl-2-MOBA)3phen]2 (Ln=Sm (1), Nd (2), Ho (3), Eu (4), Dy (5), and Tb (6); 4-Cl-2-MOBA=4-chloro-2-methoxybenzoate, phen=1,10-phenanthroline) were synthesized and characterized. The single-crystal X-ray diffraction demonstrates that 1–3 are isomorphous, which present dimeric structures with four 4-Cl-2-MOBA anio...
Published in Journal of Thermal Analysis and Calorimetry
Two solid state complexes of pyridine-2,6-dicarboxylate with Ca2+ and Co2+ ions, Ca2(DPC)2(H2O)6(H2DPC)2(s) and Co(DPC)2·Co(H2O)5·2H2O(s), were synthesized. X-ray crystallography was applied to characterize the crystal structures of the two complexes. The molecular and cell stacking structures of the two complexes were shown; the crystal data and r...
Published in Handbook on the Physics and Chemistry of Rare Earths
The thermodynamic properties of scandium, yttrium and the non-radioactive lanthanides have been evaluated from absolute zero to just above the boiling points. The thermodynamic properties of promethium were estimated from 298.15 K to just above the boiling point.
