One new polyoxometalate （POM）-based inorganic-organic hybrid [Cdn3~HPO4）（Hbpp）（H20）2]{CdII[P4_ Mo6028H3.s（OH）312}.（H4tpb）.7H20 （1） （bpp = 1,3-bis-（4-pyridyl）propane, tpb = 1,2,4,5-tetra（4-pyridyl）- b...One new polyoxometalate （POM）-based inorganic-organic hybrid [Cdn3~HPO4）（Hbpp）（H20）2]{CdII[P4_ Mo6028H3.s（OH）312}.（H4tpb）.7H20 （1） （bpp = 1,3-bis-（4-pyridyl）propane, tpb = 1,2,4,5-tetra（4-pyridyl）- benzene） constructed from reduced molybdophosphate [P4Mo6028H3.5（OH）3]s＇5- （P4Mo6）, trinuclear Cdn-phosphate-Hbpp fragment and protonated tpb has been hydrothermally synthesized and structurally characterized by IR, elemental analyses and single crystal X-ray diffraction. The complex 1 crystallizes in the monoclinic system with the space group P21]c and cell parameters of a=15.672（12）A, b=23.839（19）A, c=27.654（2）,~, fl=115.850（10）~, V=9297.9（12） ~3, Z=4, R1 ~0.0534 and wR2 ~0.1135. In complex 1, the P4Mo6 units are bridged by CdII ions to form the classic sandwich-type [Cd（P4Mo6）2] dimers, which are further connected into a two dimensional network via the trinuclear Cdn subunits. The tpb is synthesized in situ from the bpp ligands and connects the adjacent 2D layers into a 3D supramolecular framework through hydrogen bonding interactions. The electrochemical and fluorescent properties of complex 1 have been investigated.展开更多
基金Financial supports of this research by the National Natural Science Foundation of China(Nos.21171025 and 21101015)New Century Excellent Talents in University(No.NCET-09-0853)+1 种基金Natural Science Foundation of Liaoning Province(No.201102003)Program of Innovative Research Team in University of Liaoning Province(No.LT2012020)
文摘One new polyoxometalate （POM）-based inorganic-organic hybrid [Cdn3~HPO4）（Hbpp）（H20）2]{CdII[P4_ Mo6028H3.s（OH）312}.（H4tpb）.7H20 （1） （bpp = 1,3-bis-（4-pyridyl）propane, tpb = 1,2,4,5-tetra（4-pyridyl）- benzene） constructed from reduced molybdophosphate [P4Mo6028H3.5（OH）3]s＇5- （P4Mo6）, trinuclear Cdn-phosphate-Hbpp fragment and protonated tpb has been hydrothermally synthesized and structurally characterized by IR, elemental analyses and single crystal X-ray diffraction. The complex 1 crystallizes in the monoclinic system with the space group P21]c and cell parameters of a=15.672（12）A, b=23.839（19）A, c=27.654（2）,~, fl=115.850（10）~, V=9297.9（12） ~3, Z=4, R1 ~0.0534 and wR2 ~0.1135. In complex 1, the P4Mo6 units are bridged by CdII ions to form the classic sandwich-type [Cd（P4Mo6）2] dimers, which are further connected into a two dimensional network via the trinuclear Cdn subunits. The tpb is synthesized in situ from the bpp ligands and connects the adjacent 2D layers into a 3D supramolecular framework through hydrogen bonding interactions. The electrochemical and fluorescent properties of complex 1 have been investigated.
