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学科主题: 物理化学
题名: Role of boron-containing ionic liquid in the synthesis of manganese borophosphate with extra-large 16-ring pore openings
作者: Yang, Miao1;  Yan, Peifang1;  Xu, Feifei1;  Ma, Jianhua1;  Welz-Biermann, Urs1
通讯作者: 杨淼 ;  UrsWelzBiermann
关键词: Extra-large microporous ;  Metalloborophosphate ;  Ionic liquid ;  Crystal structure
刊名: MICROPOROUS AND MESOPOROUS MATERIALS
发表日期: 2012
DOI: 10.1016/j.micromeso.2011.06.004
卷: 147, 期:1, 页:73-78
收录类别: SCI
文章类型: Article
部门归属: 2
项目归属: 207
产权排名: 1,1
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Science & Technology - Other Topics ;  Materials Science
英文摘要: An open-framework manganese borophosphate (NH(4))(7)Mn(4)(H(2)O)[B(2)P(4)O(15)(OH)(2)](2)[H(2)PO(4)][HPO(4)] (1) has been synthesized by using 1-butyl-3-methyl-imidazolium bis(oxalato)borate ([C(4)mim][BOB]) ionic liquid as a boron source, and characterized by X-ray powder diffraction (XRD), inductively coupled plasma (ICP), element analysis, thermogravimetric analysis and differential scanning calorimetry (TG-DSC). Single-crystal X-ray diffraction analysis shows that compound 1 crystallizes in orthorhombic space group Pnma (No. 62), a = 17.102(2) angstrom, b = 10.7195(15) angstrom, c = 22.283(3) angstrom, V = 4085.0(10) angstrom(3) and Z = 4. Its structure features an interrupted three-dimensional (3D) open-framework structure built up from [B(2)P(4)O(15)(OH)(2)](6-) borophosphate anions, Mn(2)O(10) dimers and H(x)PW(4)(3-x) (x = 1, 2) groups, where peanut shaped extra-large 16-ring channels can be found extending along the [0 1 0] direction. Protonated NH(3) molecules locate in the void space to balance the negative charges of the inorganic framework. Magnetic measurements indicate that antiferromagnetic interactions exist between Mn(2+) ions with a negative Weiss constant of -18.2 K. The synthesis condition and various impact factors were studied carefully, which indicates that [BOB] anion of ionic liquid and acidity of the system are two important keys for the formation of the title compound. (C) 2011 Elsevier Inc. All rights reserved.
关键词[WOS]: IONOTHERMAL SYNTHESIS ;  CRYSTAL-STRUCTURE ;  MOLECULAR-SIEVE ;  FRAMEWORK ;  ZEOLITE ;  ALUMINOPHOSPHATE ;  PHOSPHITE ;  TEMPLATE ;  SOLVENT ;  RINGS
语种: 英语
WOS记录号: WOS:000295906200010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/117815
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, China Ion Liquid Lab, Dalian 116023, Peoples R China

Recommended Citation:
Yang, Miao,Yan, Peifang,Xu, Feifei,et al. Role of boron-containing ionic liquid in the synthesis of manganese borophosphate with extra-large 16-ring pore openings[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2012,147(1):73-78.
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