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Hydrothermal synthesis and crystal structure of a new 3D supramolecular coordination polymer:[Ni(pyridine-2-carboxylate)_2]_n·2nH_2O

Zhou Shi

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Abstract

A new metal-organic coordination polymer [Ni(pyridine-2-carboxylate)2]n·2nH2O has been hydrothermally synthesized and structurally characterized by elemental analysis,IR spectrum,TG and single-crystal X-ray diffraction.The complex crystallizes in triclinic,space group P-1 with a=5.128 4(6)nm,b=7.634 6(9)nm,c=9.229 5(11)nm,α=74.902(2)°,β=84.347(2)°,γ=71.442(2)°,V=330.70(7)nm3,C12H12NiN2O6,Mr=338.95,Dc=1.702 g/cm3,μ(Mo Kα)=1.497 mm-1,F(000)=174,Z=1,the final R=0.033 3 and wR=0.038 4 for 1 223 observed reflections(I2σ(I)).It exhibits a three-dimensional supramolecular network formed by O—H…O and C—H…O hydrogen-bonding interactions.

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A new metal-organic coordination polymer [Ni(pyridine-2-carboxylate)2]n·2nH2O has been hydrothermally synthesized and structurally characterized by elemental analysis,IR spectrum,TG and single-crystal X-ray diffraction.The complex crystallizes in triclinic,space group P-1 with a=5.128 4(6)nm,b=7.634 6(9)nm,c=9.229 5(11)nm,α=74.902(2)°,β=84.347(2)°,γ=71.442(2)°,V=330.70(7)nm3,C12H12NiN2O6,Mr=338.95,Dc=1.702 g/cm3,μ(Mo Kα)=1.497 mm-1,F(000)=174,Z=1,the final R=0.033 3 and wR=0.038 4 for 1 223 observed reflections(I2σ(I)).It exhibits a three-dimensional supramolecular network formed by O—H…O and C—H…O hydrogen-bonding interactions.

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Available abstract

A new metal-organic coordination polymer [Ni(pyridine-2-carboxylate)2]n·2nH2O has been hydrothermally synthesized and structurally characterized by elemental analysis,IR spectrum,TG and single-crystal X-ray diffraction.The complex crystallizes in triclinic,space group P-1 with a=5.128 4(6)nm,b=7.634 6(9)nm,c=9.229 5(11)nm,α=74.902(2)°,β=84.347(2)°,γ=71.442(2)°,V=330.70(7)nm3,C12H12NiN2O6,Mr=338.95,Dc=1.702 g/cm3,μ(Mo Kα)=1.497 mm-1,F(000)=174,Z=1,the final R=0.033 3 and wR=0.038 4 for 1 223 observed reflections(I2σ(I)).It exhibits a three-dimensional supramolecular network formed by O—H…O and C—H…O hydrogen-bonding interactions.

Key concepts: Triclinic crystal system, Supramolecular chemistry, Carboxylate, Crystallography, Coordination polymer, Hydrogen bond, Hydrothermal synthesis, Pyridine

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