A new complex,Co（0.5）Ni（0.5）（C2H6N2O）6SO4（Ⅰ）, was synthesized and its single crystal was obtained from aqueous solution by evaporating solvent slowly. Single-crystal X-ray analysis revealed that the complex b...A new complex,Co（0.5）Ni（0.5）（C2H6N2O）6SO4（Ⅰ）, was synthesized and its single crystal was obtained from aqueous solution by evaporating solvent slowly. Single-crystal X-ray analysis revealed that the complex belongs to trigonal system, space group R-3c, with a = b = 10.999（2） A, c = 40.439（13） A, V = 4237（2）A3, Z = 6, Dc = 1.410 g/cm3, Mr = 599.41, μ = 0.785 mm-1, F（000） = 1893, the final R = 0.0330 and wR = 0.0926（I 〉 2σ（I））. IR spectrum and compositional analyses（elemental analyzer and ICP） were used to characterize the composition of the product. TGA（Thermal Gravimetric Analysis） showed that complex Ⅰ remained stable until it is heated up to 200 ℃, indicating its good thermostability. The main transmission peak of complex Ⅰ in UV-Vis spectrum appeared at 290 nm, making it an eligible material for ultraviolet light filters（ULF）.展开更多
A new coordination compound, Ni（C6H12N4）2SO4.4H20（NSH-HMTA） （HMTA, hexamethylenetetramine, C6H12N4）, has been synthesized and its single crystals were obtained. NSH-HMTA belongs to the triclinic system, space gr...A new coordination compound, Ni（C6H12N4）2SO4.4H20（NSH-HMTA） （HMTA, hexamethylenetetramine, C6H12N4）, has been synthesized and its single crystals were obtained. NSH-HMTA belongs to the triclinic system, space group Pi with a = 9.2534（6）, b = 13.3131（2）, c = 16.0373（2） A, α = 65.981（6）, β = 89.792（3）, γ = 89.677（4）°, Mr= 880.2, Z = 2, V= 1804.6（3） A3, μ = 1.254 mm-1, F（000） = 932, R = 0.0555 （1 〉 2σ（I）） and wR = 0.1908 for 19343 observed reflections. HMTA substitutes for water molecules are located at the para-positions, forming a stretching octahedral nickel ion unit. Thermo-gravimetric analysis shows that the dehydration temperature of NSH-HMTA is about 92℃. The characteristic UV peaks are approximately 10 nm red-shifted by the absorption of octahedral HMTA complex ion units.展开更多
Ammonium 5-sulfosalicylic acid monohydrate （NH4·C7H5O6S·H2O, ASSA） was synthesized and optical grade crystal with dimensions of 45ram × 20mm × 18mm was obtained from aqueous solution by the cooli...Ammonium 5-sulfosalicylic acid monohydrate （NH4·C7H5O6S·H2O, ASSA） was synthesized and optical grade crystal with dimensions of 45ram × 20mm × 18mm was obtained from aqueous solution by the cooling solution method. The crystal structure was confirmed by X-ray single-crystal diffraction method and the empirical composition is C7HIINO7S with formula weight 253.23. The crystal belongs to monoclinic space group P21/c with a = 1 1.884（9）, b = 7.306（5）, c = 12.152（9） A, β = 104.851（13）°, V= 1019.8（13） A3, Z = 4, Dc = 1.649 g/cm3,μ = 0.340 mm-1, F（000） =528, the final R= 0.0307 and wR= 0.0866 for 7494 observed reflections （I〉 2σ（I））, Elemental analysis, 1R and 1H-NMR spectrum were used to characterize the compound. Thermal analysis showed that one coordination water molecule was contained and dehydration temperature of ASSA crystal was 106℃. Optical transmission and fluorescence spectrum revealed that the ASSA crystal exhibited a strong absorption in ultraviolet region with the sharp absorption edge located at 340 nm and a significant blue fluorescent emission band at 442 nm.展开更多
A novel complex,[Mn(C_(6)H_(12)N_(4))_(2)(H_(2)O)_(4)][Mn(H_(2)O)_(6)][SO_(4)]_(2)·6H_(2)O,was synthesized and hexagonal single crystals with centimeter-scale sizes were obtained by the method of solvent evaporat...A novel complex,[Mn(C_(6)H_(12)N_(4))_(2)(H_(2)O)_(4)][Mn(H_(2)O)_(6)][SO_(4)]_(2)·6H_(2)O,was synthesized and hexagonal single crystals with centimeter-scale sizes were obtained by the method of solvent evaporation.It was characterized by elemental analysis,infrared spectrum,thermogravimetric analysis and X-ray single-crystal diffraction.The complex belongs to triclinic crystal system,space group PI with a=9.3390(8),b=13.3520(13),c=16.3207(13)?,α=100.7160(3)°,β=90.1020(10)°,γ=109.9490(5)°,V=1874.9(3)A^(3),Z=2,Dc=1.542 g/cm^(3),M_(r)=870.64,μ=0.876 mm^(-1),T=293(2) K,F(000)=916 and S=0.990.The crystal structure determination displayed a distorted octahedral geometry around the manganese atom,which is bound to two nitrogen atoms from hexamethylenetetramine,acting as monodentate ligands,and to four aqua ligands.Variable-temperature magnetic measurements of the complex indicate the presence of weak antiferromagnetic interaction between manganese centers.展开更多
基金Supported by Key Laboratory of Optoelectronic Materials Chemistry and Physics,Chinese Academy of Sciences
文摘A new complex,Co（0.5）Ni（0.5）（C2H6N2O）6SO4（Ⅰ）, was synthesized and its single crystal was obtained from aqueous solution by evaporating solvent slowly. Single-crystal X-ray analysis revealed that the complex belongs to trigonal system, space group R-3c, with a = b = 10.999（2） A, c = 40.439（13） A, V = 4237（2）A3, Z = 6, Dc = 1.410 g/cm3, Mr = 599.41, μ = 0.785 mm-1, F（000） = 1893, the final R = 0.0330 and wR = 0.0926（I 〉 2σ（I））. IR spectrum and compositional analyses（elemental analyzer and ICP） were used to characterize the composition of the product. TGA（Thermal Gravimetric Analysis） showed that complex Ⅰ remained stable until it is heated up to 200 ℃, indicating its good thermostability. The main transmission peak of complex Ⅰ in UV-Vis spectrum appeared at 290 nm, making it an eligible material for ultraviolet light filters（ULF）.
基金Supported by Key Laboratory of Optoelectronic Materials Chemistry and Physics,Chinese Academy of Sciences
文摘A new coordination compound, Ni（C6H12N4）2SO4.4H20（NSH-HMTA） （HMTA, hexamethylenetetramine, C6H12N4）, has been synthesized and its single crystals were obtained. NSH-HMTA belongs to the triclinic system, space group Pi with a = 9.2534（6）, b = 13.3131（2）, c = 16.0373（2） A, α = 65.981（6）, β = 89.792（3）, γ = 89.677（4）°, Mr= 880.2, Z = 2, V= 1804.6（3） A3, μ = 1.254 mm-1, F（000） = 932, R = 0.0555 （1 〉 2σ（I）） and wR = 0.1908 for 19343 observed reflections. HMTA substitutes for water molecules are located at the para-positions, forming a stretching octahedral nickel ion unit. Thermo-gravimetric analysis shows that the dehydration temperature of NSH-HMTA is about 92℃. The characteristic UV peaks are approximately 10 nm red-shifted by the absorption of octahedral HMTA complex ion units.
基金carried out under the sponsorship and financial support from the Key Laboratory of Optoelectronic Materials Chemistry and Physics,Chinese Academy of Sciences
文摘Ammonium 5-sulfosalicylic acid monohydrate （NH4·C7H5O6S·H2O, ASSA） was synthesized and optical grade crystal with dimensions of 45ram × 20mm × 18mm was obtained from aqueous solution by the cooling solution method. The crystal structure was confirmed by X-ray single-crystal diffraction method and the empirical composition is C7HIINO7S with formula weight 253.23. The crystal belongs to monoclinic space group P21/c with a = 1 1.884（9）, b = 7.306（5）, c = 12.152（9） A, β = 104.851（13）°, V= 1019.8（13） A3, Z = 4, Dc = 1.649 g/cm3,μ = 0.340 mm-1, F（000） =528, the final R= 0.0307 and wR= 0.0866 for 7494 observed reflections （I〉 2σ（I））, Elemental analysis, 1R and 1H-NMR spectrum were used to characterize the compound. Thermal analysis showed that one coordination water molecule was contained and dehydration temperature of ASSA crystal was 106℃. Optical transmission and fluorescence spectrum revealed that the ASSA crystal exhibited a strong absorption in ultraviolet region with the sharp absorption edge located at 340 nm and a significant blue fluorescent emission band at 442 nm.
基金the Key Laboratory of Optoelectronic Materials Chemistry and PhysicsChinese Academy of Sciences。
文摘A novel complex,[Mn(C_(6)H_(12)N_(4))_(2)(H_(2)O)_(4)][Mn(H_(2)O)_(6)][SO_(4)]_(2)·6H_(2)O,was synthesized and hexagonal single crystals with centimeter-scale sizes were obtained by the method of solvent evaporation.It was characterized by elemental analysis,infrared spectrum,thermogravimetric analysis and X-ray single-crystal diffraction.The complex belongs to triclinic crystal system,space group PI with a=9.3390(8),b=13.3520(13),c=16.3207(13)?,α=100.7160(3)°,β=90.1020(10)°,γ=109.9490(5)°,V=1874.9(3)A^(3),Z=2,Dc=1.542 g/cm^(3),M_(r)=870.64,μ=0.876 mm^(-1),T=293(2) K,F(000)=916 and S=0.990.The crystal structure determination displayed a distorted octahedral geometry around the manganese atom,which is bound to two nitrogen atoms from hexamethylenetetramine,acting as monodentate ligands,and to four aqua ligands.Variable-temperature magnetic measurements of the complex indicate the presence of weak antiferromagnetic interaction between manganese centers.
