The title compound,Cd5(BTC)4(H2O)8·6H2O(BTC=1,3,5-benzenetricarboxylate) was synthesized under mild conditions,and its crystal structure was determined by means of single crystal X-ray diffraction.The compoun...The title compound,Cd5(BTC)4(H2O)8·6H2O(BTC=1,3,5-benzenetricarboxylate) was synthesized under mild conditions,and its crystal structure was determined by means of single crystal X-ray diffraction.The compound crystallizes in the monoclinic system and belongs to space group P21/c with a=1.022 6(2) nm, b=1.081 4(2) nm,c=2.987 6(6) nm,β=99.437(3) °,V=3.259 1(11) nm3,Z=2,Dc=1.645 g/cm3,Mr=807.23,μ=1.691 mm-1,F(000)=1 544,GOF=1.082,R=0.059 2,wR=0.187 7. Its structure revealed that Cd1 and Cd2 centers are firstly linked with BTC to form wave-like layers,and then the octahedral coordination geometries of Cd3 centers connect the neighboring above layers to construct the 3D framework of Cd5(BTC)4(H2O)8·6H2O having 'Z'-like shaped channels with the greatest dimensions about 2.6 nm viewed along the direction.展开更多
文摘The title compound,Cd5(BTC)4(H2O)8·6H2O(BTC=1,3,5-benzenetricarboxylate) was synthesized under mild conditions,and its crystal structure was determined by means of single crystal X-ray diffraction.The compound crystallizes in the monoclinic system and belongs to space group P21/c with a=1.022 6(2) nm, b=1.081 4(2) nm,c=2.987 6(6) nm,β=99.437(3) °,V=3.259 1(11) nm3,Z=2,Dc=1.645 g/cm3,Mr=807.23,μ=1.691 mm-1,F(000)=1 544,GOF=1.082,R=0.059 2,wR=0.187 7. Its structure revealed that Cd1 and Cd2 centers are firstly linked with BTC to form wave-like layers,and then the octahedral coordination geometries of Cd3 centers connect the neighboring above layers to construct the 3D framework of Cd5(BTC)4(H2O)8·6H2O having 'Z'-like shaped channels with the greatest dimensions about 2.6 nm viewed along the direction.
基金supported by the National Natural Science Foundation of China(20932002,20733010)National Key Basic Research Program ofChina(973)(2006CB202504)Chinese Academy of Sciences Fund(KJCX2.YW.H16)~~