In this paper,the synthesis of a novel polyoxovanadiumborate[Li(H2O)3]3[V12B18O48(OH)12(OH)]·(H2O)5by hydrothermal method.FTIR,2DFTIR and UV-Vis absorption spectroscopy were employed to explore the relationships ...In this paper,the synthesis of a novel polyoxovanadiumborate[Li(H2O)3]3[V12B18O48(OH)12(OH)]·(H2O)5by hydrothermal method.FTIR,2DFTIR and UV-Vis absorption spectroscopy were employed to explore the relationships between structure and properties of 3-D compound 1.展开更多
A novel layered compound, [Ni(C 10 H 8N 2) 2V 3O 8 5 ], was hydrothermally synthesized and structurally characterized by single crystal X ray diffraction. The compound crystallizes in monoclinic system, space group P2...A novel layered compound, [Ni(C 10 H 8N 2) 2V 3O 8 5 ], was hydrothermally synthesized and structurally characterized by single crystal X ray diffraction. The compound crystallizes in monoclinic system, space group P2 1/c with a =1 551 8(3) nm, b =1 476 1(3) nm, c =1 048 3(2) nm, β=92 02(3)°, V = 2 399 8 (8) nm 3, Z=4, R=0 046 7, wR 2= 0 085 9.展开更多
The hydrothermal reaction of NH 4VO 3, CoCl 2·6H 2O, o-phen and H 2O gave a novel two-dimensional layered polyoxovanadate, [Co(o-phen)]V 2O 6·H 2O, which was constructed from {V 2O 6} chains linked by Co(o-p...The hydrothermal reaction of NH 4VO 3, CoCl 2·6H 2O, o-phen and H 2O gave a novel two-dimensional layered polyoxovanadate, [Co(o-phen)]V 2O 6·H 2O, which was constructed from {V 2O 6} chains linked by Co(o-phen) complex fragments. [Co(o-phen)]V 2O 6·H 2O was characterized by IR, TG and single-crystal X-ray diffraction. It crystallizes in monoclinic space group P2(1)/c with a= 0.785 2(9) nm, b=2.118 3(2) nm, c=0.946 3(11) nm, β=112.827(2)°, V=0.145 1(3) nm3, D c=2.074 g/cm3, Z=4, R 1=0.038 8, wR 2=0.094 1.展开更多
The title compound [Co(en) 2(H 2O) 2] 2· [Mo Ⅴ 4Mo Ⅵ 4V Ⅳ 8O 40 (AsO 4)] was synthesized by hydrothermal method and its structure was determined with single crystal X ray analysis. The cluster anion is a tetra...The title compound [Co(en) 2(H 2O) 2] 2· [Mo Ⅴ 4Mo Ⅵ 4V Ⅳ 8O 40 (AsO 4)] was synthesized by hydrothermal method and its structure was determined with single crystal X ray analysis. The cluster anion is a tetracapped Keggin polyanion, which contains different coordinated cations. The crystal is monoclinic, space group C2/c with a =1.458 3(2) nm, b =2.174 07(13) nm, c =1.893 2(2) nm, β =91.532°, V =6.000 2(10) nm 3, Z =2, D c=1.452 g/cm 3, R =0.035 9, R w=0.079 8, S =1.092.展开更多
Two new three-dimensional coordination polymers, Na [M(nta)]·H 2O(M=Co, Ni) were hydrothermally synthesized and their structures were solved by single-crystal X-ray diffraction. Their structures were analogous an...Two new three-dimensional coordination polymers, Na [M(nta)]·H 2O(M=Co, Ni) were hydrothermally synthesized and their structures were solved by single-crystal X-ray diffraction. Their structures were analogous and the two crystals belong to the orthorhombic system with space group P2 1, and cell parameters a=0.785 7(9) nm, b=0.974 3(12) nm, c= 1.219 0(18) nm, V=0.933 4(2) nm 3, Z=4 for Na [Co(nta)]·H 2O and a=0.796 7(16) nm, b= 0.975 2(2) nm, c=1.218 2(2) nm, V=0\^946 5(3) nm 3, Z=4 for Na [Ni(nta)]·H 2O. The structures of the title compounds are considered to be four M(nta) - octahedra connected by the sodium atoms, thus the three-dimensional tunnels were formed. Variable temperature magnetic susceptibility indicates that the antiferromagnetic interaction exists in Na[Co(nta)]·H 2O and Na [Ni(nta)]·H 2O.展开更多
A new isopolyoxovanadate [Ni(1,10′-phen) 3] 2 [V Ⅳ 2V Ⅴ 8O 26] was hydrothermally synthesized and structurally characterized by the single crystal X-ray diffraction. The compound crystallizes in orthorhombic system...A new isopolyoxovanadate [Ni(1,10′-phen) 3] 2 [V Ⅳ 2V Ⅴ 8O 26] was hydrothermally synthesized and structurally characterized by the single crystal X-ray diffraction. The compound crystallizes in orthorhombic system, space group Pbcn with a=1.362 9(3) nm, b=2.215 6(4) nm, c= 2.571 2(4) nm, V=7.764(2) nm 3, Z=4, R=0.040 3, wR 2=0.044 6. The compound exhibits an unusual empty ellipsoidal cage, which is constructed by eight {V ⅤO 4} tetrahedra and two {V ⅣO 5} square pyramids via corner-sharing modes. The chiral [Ni(1,10′-phen) 3] 2+ complexes act as the counter cations.展开更多
A three-dimensional silver coordination polymer,[(Ag3（IN）2(CF3COO))]（IN=Isonicotinic acid）,was synthesized under mild hydrothermal conditions and characterized by single crystal X-ray diffraction.The compound crys...A three-dimensional silver coordination polymer,[(Ag3（IN）2(CF3COO))]（IN=Isonicotinic acid）,was synthesized under mild hydrothermal conditions and characterized by single crystal X-ray diffraction.The compound crystallizes in the triclinic space group P-1,with unit cell parameters a=0.918 48（5） nm,b=1.013 92（6） nm,c=1.067 05（6） nm,Z=2,R1=0.036 5,wR2=0.095 5.The Ag centers are bridged by the IN and CF3CO2 ligands to form three-dimensional structure.There are strong Ag-Ag bond interaction in the framework.展开更多
A new zinc hydrogen phosphite C4H8N2H4·Zn（HPO3）2 was prepared by hydrothermal method in the presence of piperazine as a structure-directing agent and the crystal structure was determined by single-crystal X-ray...A new zinc hydrogen phosphite C4H8N2H4·Zn（HPO3）2 was prepared by hydrothermal method in the presence of piperazine as a structure-directing agent and the crystal structure was determined by single-crystal X-ray diffraction analysis and further characterized by X-ray powder diffraction, IR, ICP, elemental analysis and TG analysis. This compound has one-dimensional anionic chains containing four-membered rings built from corner-sharing linked alternating ZnO4 tetrahedra and HPO3 pseudo pyramids. The zinc hydrogen phosphite chains are interacted with the templates of diprotonated piperazine by N—H…O hydrogen bond. Crystal data for C4H8N2H4·Zn（HPO3）2∶monoclinic, space group C2/c. a=1.774 8（2） nm, b=0.724 28（9） nm, c=0.880 87（11） nm, β= 105.345（3）°, V=1.091 9（2） nm 3, Z=4, Dc=1^907 Mg/m 3, R1=0.022 9, wR2=0.058 8.展开更多
The title compound [N(CH 3) 4] 4 [H 5PMo 5V 9O 42 ] ·3.5H 2O was synthesized by hydrothermal method and its structure was determined with single crystal X ray analysis. The cluster anion is a bicapped Keggin poly...The title compound [N(CH 3) 4] 4 [H 5PMo 5V 9O 42 ] ·3.5H 2O was synthesized by hydrothermal method and its structure was determined with single crystal X ray analysis. The cluster anion is a bicapped Keggin polyanion, two vanadium atoms are distributed at two capping metal atom positions. The crystal is monoclinic, space group C2/c with a=1.284 8(4) nm, b=2.366 4(4) nm, c=2.113 6(4) nm, β= 90.69(2)° , V=6.425(4) nm 3, Z=4, D c=2.07 g\5cm -3 , R=0.066, R w=0.069, S=1.33, \{(Δ/σ) max =\}0 04, \{(Δρ) max =\}91 e·nm -3 .展开更多
基金the NNSFC(21473030,1371033)Fujian Provincial Natural Science Foundation(2013J01042)the Open Fund of State Key Laboratory of Structural Chemistry(20130015)
文摘In this paper,the synthesis of a novel polyoxovanadiumborate[Li(H2O)3]3[V12B18O48(OH)12(OH)]·(H2O)5by hydrothermal method.FTIR,2DFTIR and UV-Vis absorption spectroscopy were employed to explore the relationships between structure and properties of 3-D compound 1.
文摘A novel layered compound, [Ni(C 10 H 8N 2) 2V 3O 8 5 ], was hydrothermally synthesized and structurally characterized by single crystal X ray diffraction. The compound crystallizes in monoclinic system, space group P2 1/c with a =1 551 8(3) nm, b =1 476 1(3) nm, c =1 048 3(2) nm, β=92 02(3)°, V = 2 399 8 (8) nm 3, Z=4, R=0 046 7, wR 2= 0 085 9.
文摘The hydrothermal reaction of NH 4VO 3, CoCl 2·6H 2O, o-phen and H 2O gave a novel two-dimensional layered polyoxovanadate, [Co(o-phen)]V 2O 6·H 2O, which was constructed from {V 2O 6} chains linked by Co(o-phen) complex fragments. [Co(o-phen)]V 2O 6·H 2O was characterized by IR, TG and single-crystal X-ray diffraction. It crystallizes in monoclinic space group P2(1)/c with a= 0.785 2(9) nm, b=2.118 3(2) nm, c=0.946 3(11) nm, β=112.827(2)°, V=0.145 1(3) nm3, D c=2.074 g/cm3, Z=4, R 1=0.038 8, wR 2=0.094 1.
文摘The title compound [Co(en) 2(H 2O) 2] 2· [Mo Ⅴ 4Mo Ⅵ 4V Ⅳ 8O 40 (AsO 4)] was synthesized by hydrothermal method and its structure was determined with single crystal X ray analysis. The cluster anion is a tetracapped Keggin polyanion, which contains different coordinated cations. The crystal is monoclinic, space group C2/c with a =1.458 3(2) nm, b =2.174 07(13) nm, c =1.893 2(2) nm, β =91.532°, V =6.000 2(10) nm 3, Z =2, D c=1.452 g/cm 3, R =0.035 9, R w=0.079 8, S =1.092.
文摘Two new three-dimensional coordination polymers, Na [M(nta)]·H 2O(M=Co, Ni) were hydrothermally synthesized and their structures were solved by single-crystal X-ray diffraction. Their structures were analogous and the two crystals belong to the orthorhombic system with space group P2 1, and cell parameters a=0.785 7(9) nm, b=0.974 3(12) nm, c= 1.219 0(18) nm, V=0.933 4(2) nm 3, Z=4 for Na [Co(nta)]·H 2O and a=0.796 7(16) nm, b= 0.975 2(2) nm, c=1.218 2(2) nm, V=0\^946 5(3) nm 3, Z=4 for Na [Ni(nta)]·H 2O. The structures of the title compounds are considered to be four M(nta) - octahedra connected by the sodium atoms, thus the three-dimensional tunnels were formed. Variable temperature magnetic susceptibility indicates that the antiferromagnetic interaction exists in Na[Co(nta)]·H 2O and Na [Ni(nta)]·H 2O.
文摘A new isopolyoxovanadate [Ni(1,10′-phen) 3] 2 [V Ⅳ 2V Ⅴ 8O 26] was hydrothermally synthesized and structurally characterized by the single crystal X-ray diffraction. The compound crystallizes in orthorhombic system, space group Pbcn with a=1.362 9(3) nm, b=2.215 6(4) nm, c= 2.571 2(4) nm, V=7.764(2) nm 3, Z=4, R=0.040 3, wR 2=0.044 6. The compound exhibits an unusual empty ellipsoidal cage, which is constructed by eight {V ⅤO 4} tetrahedra and two {V ⅣO 5} square pyramids via corner-sharing modes. The chiral [Ni(1,10′-phen) 3] 2+ complexes act as the counter cations.
文摘A three-dimensional silver coordination polymer,[(Ag3（IN）2(CF3COO))]（IN=Isonicotinic acid）,was synthesized under mild hydrothermal conditions and characterized by single crystal X-ray diffraction.The compound crystallizes in the triclinic space group P-1,with unit cell parameters a=0.918 48（5） nm,b=1.013 92（6） nm,c=1.067 05（6） nm,Z=2,R1=0.036 5,wR2=0.095 5.The Ag centers are bridged by the IN and CF3CO2 ligands to form three-dimensional structure.There are strong Ag-Ag bond interaction in the framework.
文摘A new zinc hydrogen phosphite C4H8N2H4·Zn（HPO3）2 was prepared by hydrothermal method in the presence of piperazine as a structure-directing agent and the crystal structure was determined by single-crystal X-ray diffraction analysis and further characterized by X-ray powder diffraction, IR, ICP, elemental analysis and TG analysis. This compound has one-dimensional anionic chains containing four-membered rings built from corner-sharing linked alternating ZnO4 tetrahedra and HPO3 pseudo pyramids. The zinc hydrogen phosphite chains are interacted with the templates of diprotonated piperazine by N—H…O hydrogen bond. Crystal data for C4H8N2H4·Zn（HPO3）2∶monoclinic, space group C2/c. a=1.774 8（2） nm, b=0.724 28（9） nm, c=0.880 87（11） nm, β= 105.345（3）°, V=1.091 9（2） nm 3, Z=4, Dc=1^907 Mg/m 3, R1=0.022 9, wR2=0.058 8.
文摘The title compound [N(CH 3) 4] 4 [H 5PMo 5V 9O 42 ] ·3.5H 2O was synthesized by hydrothermal method and its structure was determined with single crystal X ray analysis. The cluster anion is a bicapped Keggin polyanion, two vanadium atoms are distributed at two capping metal atom positions. The crystal is monoclinic, space group C2/c with a=1.284 8(4) nm, b=2.366 4(4) nm, c=2.113 6(4) nm, β= 90.69(2)° , V=6.425(4) nm 3, Z=4, D c=2.07 g\5cm -3 , R=0.066, R w=0.069, S=1.33, \{(Δ/σ) max =\}0 04, \{(Δρ) max =\}91 e·nm -3 .
