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Heat capacities and thermodynamic properties of Co(3,5-PDC)(H2O) |
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| Authors: | Xia Jiang Cheng-Li Jiao Yu-Jia Sun Zhi-Bao Li Shuang Liu Jian Zhang Zi-Qiang Wang Li-Xian Sun Fen Xu Huai-Ying Zhou Yutaka Sawada |
| Affiliation: | 1. Materials and Thermochemistry Laboratory, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, People’s Republic of China 2. Graduate School of the Chinese Academy of Sciences, Beijing, 100049, People’s Republic of China 3. College of Chemistry and Molecular Science, Wuhan University, Wuhan, 430072, People’s Republic of China 5. Department of Material Science and Engineering, Guilin University of Electrical Technology, Guilin, 541004, China 4. Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, 116029, People’s Republic of China 6. Center for Hyper Media Research, Graduate School of Engineering, Tokyo Polytechnic University, Atsugi, Japan |
| Abstract: | A novel metal-organic frameworks Co(3,5-PDC)(H2O) (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. |
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