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
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.
