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[C6N2H18]2[Mo5O15(HPO4)2]·H2O的水热合成与结构表征
引用本文:李亚丰,崔巍,朱广山,裘式纶,方千荣,王春雷.[C6N2H18]2[Mo5O15(HPO4)2]·H2O的水热合成与结构表征[J].高等学校化学学报,2003,24(3):394-397.
作者姓名:李亚丰  崔巍  朱广山  裘式纶  方千荣  王春雷
作者单位:吉林大学化学学院,无机合成与制备化学国家重点实验室,长春,130023
基金项目:国家自然科学基金 (批准号 :2 98730 17,2 0 10 10 0 4和 2 0 2 730 2 6),国家重大基础研究项目 (批准号 :G2 0 0 0 0 775 0 7)资助
摘    要:通过水热法合成了一个新化合物C6N2H18]2Mo5O15(HPO4)2]·H2O,并通过IR光谱、ICP、元素分析、差热与热重分析和X射线单晶衍射分析等手段进行了表征.结果表明,晶体属三方晶系,P3(2)21空间群,a=1.1231(1)nm,c=2.2802(5)nm,V=2.4911(7)nm3,Dx=2.835Mg/m3,Z=6,最后的一致性因子R=0.0227,wR=0.0675.阴离子中Mo5O15构成一环状结构,2个HPO4一个连在环的下方,一个连在环的上方,形成类似于“飞碟”状的结构,阳离子为2个质子化的四甲基乙二胺.

关 键 词:晶体  水热合成  结构
文章编号:0251-0790(2003)03-0394-04
收稿时间:2002-01-28
修稿时间:2002年1月28日

Hydrothermal Synthesis and Characteristic of [C6N2H18]2[Mo5O15(HPO4)2]·H2O
LI Ya-Feng,CUI Wei,ZHU Guang-Shan,QIU Shi-Lun ,FANG Qian-Rong,WANG Chun-Lei.Hydrothermal Synthesis and Characteristic of [C6N2H18]2[Mo5O15(HPO4)2]·H2O[J].Chemical Research In Chinese Universities,2003,24(3):394-397.
Authors:LI Ya-Feng  CUI Wei  ZHU Guang-Shan  QIU Shi-Lun  FANG Qian-Rong  WANG Chun-Lei
Institution:LI Ya-Feng,CUI Wei,ZHU Guang-Shan,QIU Shi-Lun *,FANG Qian-Rong,WANG Chun-Lei
Abstract:C6N2H 18]2Mo5O 15(HPO4)2]·H2O has been obtained by using hydrothermal synthesis, and the results of X-ray single crystal diffraction show that the compound crystalliized in space group {P3(2)21} of trigonal system with a=1.123 1(1) nm, c=2.280 2(5) nm, V=2.491 1(7) nm3, Dx=2^835 {Mg/m3}, Z=6 and R=0.022 7, wR=0.067 5. The crystal structure of C6N2H 18]2Mo5O 15(HPO4)2]·H2O is composed of two protoned tertramethyldiamine, C6N2H 18] 4+2, Mo5O 15(HPO4)2] 4- and one molecule water. In the anion H2Mo5P2O 4- 23, five octahedral MoO6 are connected by sharing-angle to form a pentagon and three oxygen atoms of two PO4 tetrahedral is connected to five Mo atoms. Five octahedral MoO6 and two PO4 tetrahedral are connected to form this anion like flying saucer.
Keywords:Crystal  Hydrothermal synthesis  Structure
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