Citation:
ZHAO Zhen-Xin, MA Bu-Wei, REN Guo-Jian, ZHANG Ying-Hui. A New Terbium(Ⅲ) Coordination Compound with 2-Thiophenecarboxylic Ligand: Synthesis and Crystal Structure[J]. Chinese Journal of Structural Chemistry,
2014, 33(7): 1013-1018.
A New Terbium(Ⅲ) Coordination Compound with 2-Thiophenecarboxylic Ligand: Synthesis and Crystal Structure
摘要:
A new coordination compound with formula [Tb(2-TC)3(DMF)]n (1, 2-TC=2-thiophenecarboxylic ligand and DMF=dimethylformamide) was synthesized by solvothermal method. The structure of compound 1 was determined by single-crystal X-ray diffraction analyses, and characterized by elemental analyses, IR and powder X-ray diffraction. Structure analysis reveals compound 1, exhibiting a one-dimensional chain structure, crystallizes in triclinic space group P21/c, with a=9.2751(19), b=16.490(3), c=15.865(5) Å, β=118.98(2)°, V=2122.7(9) Å3, Dc=1.916 g/cm3, Mr=612.45 (C18H15NO7S3Tb), F(000)=1196, μ(MoKα)=3.67 mm-1, Z=4, R=0.0616 and wR=0.0962 for 3865 observed reflections (I>2σ(I)), and R=0.1092 for all data. Meanwhile, the photoluminescent properties of compound 1 were also investigated in the solid state at room temperature.
English
A New Terbium(Ⅲ) Coordination Compound with 2-Thiophenecarboxylic Ligand: Synthesis and Crystal Structure
Abstract:
A new coordination compound with formula [Tb(2-TC)3(DMF)]n (1, 2-TC=2-thiophenecarboxylic ligand and DMF=dimethylformamide) was synthesized by solvothermal method. The structure of compound 1 was determined by single-crystal X-ray diffraction analyses, and characterized by elemental analyses, IR and powder X-ray diffraction. Structure analysis reveals compound 1, exhibiting a one-dimensional chain structure, crystallizes in triclinic space group P21/c, with a=9.2751(19), b=16.490(3), c=15.865(5) Å, β=118.98(2)°, V=2122.7(9) Å3, Dc=1.916 g/cm3, Mr=612.45 (C18H15NO7S3Tb), F(000)=1196, μ(MoKα)=3.67 mm-1, Z=4, R=0.0616 and wR=0.0962 for 3865 observed reflections (I>2σ(I)), and R=0.1092 for all data. Meanwhile, the photoluminescent properties of compound 1 were also investigated in the solid state at room temperature.
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Key words:
- 2-thiophenecarboxylic acid
- / terbium(Ⅲ)
- / crystal structure
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