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[1] Chen Jinxi, Meng Weiwei, Zhang Ruobing,. Synthesis, crystal structure and adsorption propertiesof a novel Fe(Ⅲ)porous coordination polymercontaining 1, 4-naphthalenedicarboxylate ligand [J]. Journal of Southeast University (English Edition), 2011, 27 (1): 107-110. [doi:10.3969/j.issn.1003-7985.2011.01.022]
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Synthesis, crystal structure and adsorption propertiesof a novel Fe(Ⅲ)porous coordination polymercontaining 1, 4-naphthalenedicarboxylate ligand()
新型1, 4-萘二甲酸铁多孔配位聚合物的合成 和晶体结构及其吸附性质

Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:
27
Issue:
2011 1
Page:
107-110
Research Field:
Chemistry and Chemical Engineering
Publishing date:
2011-03-30

Info

Title:
Synthesis, crystal structure and adsorption propertiesof a novel Fe(Ⅲ)porous coordination polymercontaining 1, 4-naphthalenedicarboxylate ligand
新型1, 4-萘二甲酸铁多孔配位聚合物的合成 和晶体结构及其吸附性质
Author(s):
Chen Jinxi, Meng Weiwei, Zhang Ruobing
School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
陈金喜, 孟伟伟, 张若冰
东南大学化学化工学院, 南京 211189
Keywords:
porous coordination polymer;  selective adsorption;  1;  4-naphthalenedicarboxylic acid
微孔配位聚合物;  选择性吸附;  1;  4-萘二甲酸
PACS:
O614.81+1
DOI:
10.3969/j.issn.1003-7985.2011.01.022
Abstract:
A novel porous coordination polymer, iron naphthalenedicarboxylate Fe(OH)(1, 4-NDC)·2H2O is hydrothermally synthesized by the reaction of FeSO4·7H2O and 1, 4-naphthalenedicarboxylic acid(1, 4-H2NDC)at 150℃. The compound crystallizes in a tetragonal space group P42/nmc: a=2.1447(4)nm, c=0.68849(14)nm, V=3.1669(11)nm3, Z=8, R=0.0845, wR=0.1829. The crystal structure exhibits a three-dimensional framework which is composed of infinite chains of corner-sharing octahedral Fe(OH)2O4 with 1, 4-NDC ligands forming two types of channels with square-shaped cross-sections. The large channels present a cross-section of 0.76 nm×0.76 nm, while the small channels are about 0.30 nm×0.30 nm. No structural transformation occurs after removing the guest water molecules, while a robust structure generates with permanent porosity. The adsorption measurements show that the anhydrous sample of the compound can adsorb CO2 into its pores. The adsorption isotherms for methanol, acetone, tetrahydrofuran and benzene are also measured.
用水热法在150℃下由FeSO4·7H2O和1, 4-萘二甲酸(1, 4-H2NDC)合成了一个新型的配位聚合物Fe(OH)(1, 4-NDC)·2H2O.单晶结构分析表明该化合物为四方晶系, 空间群为P42/nmc, 晶胞参数a=2.1447(4)nm, c=0.68849(14)nm, V=3.1669(11)nm3, Z=8, R=0.0845, wR=0.1829.该化合物中含有羟基桥连的Fe-O-Fe无机链, 无机链通过NDC的连接形成了三维框架, 其中包含2种方形截面的孔道.2种孔道的尺寸分别为0.76nm×0.76 nm和0.30nm×0.30 nm.化合物的结构没有随客体水分子的除去而发生改变, 因此形成了稳固的永久孔性结构.吸附性质研究表明, 脱去水分子的该配位聚合物能够吸附CO2.对甲醇、丙酮、四氢呋喃和苯的吸附也进行了研究.

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Memo

Memo:
Biography: Chen Jinxi(1971—), male, doctor, professor, chjxfudan@yahoo.com.
Foundation items: The Natural Science Foundation of Jiangsu Province(No.BK2009262), the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry.
Citation: Chen Jinxi, Meng Weiwei, Zhang Ruobing. Synthesis, crystal structure and adsorption properties of a novel Fe(Ⅲ)porous coordination polymer containing 1, 4-naphthalenedicarboxylate ligand[J].Journal of Southeast University(English Edition), 2011, 27(1):107-110.[doi:10.3969/j.issn.1003-7985.2011.01.022]
Last Update: 2011-03-20