Heat capacities and thermodynamic properties of Co(3,5-PDC)(H2O)

Abstract

A novel metal-organic frameworks Co(3, 5-PDC)(H 2 O) (CoMOF, 3,5-PDC = pyridine-3,5-dicarboxylic acid) has been synthesized hydrothermally and characterized by single-crystal XRD and FT-IR spectra. The thermal stability and the decomposition mechanism of CoMOF were investigated by thermogravimetry-mass spectrometry, and a two-stage shape curve of mass loss was observed. Moreover, the low-temperature molar heat capacities were measured by temperature-modulated differential scanning calorimetry for the first time. The thermodynamic parameters such as entropy and enthalpy relative to reference temperature 298.15 K were derived based on the molar heat capacity data.

Metal dicarboxylates: new anode materials for lithium-ion batteries with good cycling performance

“…25 The strong absorption at 3345 cm −1 is characteristic for coordinated water molecules. 26 The band at 3104 cm −1 can be ascribed to the aromatic C-H stretching. 27 Therefore, a conclusion can be drawn that Mn(FDC) (H 2 O) 3 has been prepared.…”

Specific heat capacities of MOF-5, Cu-BTC, Fe-BTC, MOF-177 and MIL-53 (Al) over wide temperature ranges: Measurements and application of empirical group contribution method

“…(1)). MOFs' heat capacity, together with a consistent set of other thermophysical properties like thermal conductivity, enthalpy and entropy [6,7] is fundamental also to develop a detailed understanding of several phenomena including multiferroic phase transitions [8e10], temperature-induced lattice dynamics, negative thermal expansion [11] and thermal stability [12]. While the literature is replete with MOFs' synthesis, gas adsorption isotherms and isosteric heat data, measurements on their specific heats are far less common.…”