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题名: Heat capacities and thermodynamic properties of MgBTC
作者: Song, Li-Fang1, 3;  Jiang, Chun-Hong1, 3;  Zhang, Jian1;  Sun, Li-Xian1;  Xu, Fen2;  Tian, Yun-Qi2;  You, Wan-Sheng2;  Cao, Zhong4;  Zhang, Ling4;  Yang, Dao-Wu4
关键词: Magnesium ;  MDSC ;  Metal organic frameworks ;  Molar heat capacity ;  TG
刊名: JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
发表日期: 2010-07-01
DOI: 10.1007/s10973-009-0386-8
卷: 101, 期:1, 页:365-370
收录类别: SCI ;  ISTP
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical ;  Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: A novel two-dimensional metal organic framework MgBTC [MgBTC(OCN)(2)center dot 2H(2)O, where BTC = 1,3,5-benzenetricarboxylate] has been synthesized solvothermally and characterized by single crystal XRD, powder XRD, FT-IR spectra. The low-temperature molar heat capacities of MgBTC were measured by temperature modulated differential scanning calorimetry (TMDSC) over the temperature range from 190 to 350 K for the first time. No phase transition or thermal anomaly was observed in the experimental temperature range. The thermodynamic parameters of MgBTC such as entropy and enthalpy relative to reference temperature of 298.15 K were derived based on the above molar heat capacities data. Moreover, the thermal stability and decomposition of MgBTC was further investigated through thermogravimetry (TG)-mass spectrometer (MS). Four stages of mass loss were observed in the TG curve. TG-MS curve indicated that the products of oxidative degradation of MgBTC are H2O, N-2, CO2 and CO. The powder XRD showed that the mixture after TG contains MgO and graphite.
关键词[WOS]: METAL-ORGANIC FRAMEWORKS ;  COORDINATION POLYMER ;  MODULATED DSC
语种: 英语
WOS记录号: WOS:000279130700050
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142176
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Mat & Thermochem Lab, Dalian 116023, Peoples R China
2.Liaoning Normal Univ, Fac Chem & Chem Engn, Dalian 116029, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
4.Changsha Univ Sci & Technol, Sch Chem & Biol Engn, Changsha 410076, Hunan, Peoples R China

Recommended Citation:
Song, Li-Fang,Jiang, Chun-Hong,Zhang, Jian,et al. Heat capacities and thermodynamic properties of MgBTC[J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,2010,101(1):365-370.
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