反式－二（吡啶－3－甲酸）四水鈷（Ⅱ）錯合物合成與晶體結構解析

Synthesis and Crystal Structure of Cobalt (Ⅱ) Complex of trans-[Tetraaquabis(pyridine-3-picolinato-κN)-Cobalt(II)]

沈福銘(Fwu-Ming Shen) ； 駱詩富(Shie-Fu Lush)

《嘉南學報（科技類）》 37期 (2011/12) Pp. 14-18

https://doi.org/10.29540/CNABST.201112.0003

摘要

A metal complex, trans-[Co(pya)2(H2O)4] (1) (pya = pyridine-3-carboxylic acid), is hydrothermal synthesized from the reaction of CoBr2．xH2O, pyridine-3-carboxylic acid and ethylenediamine. Compound 1 is fully characterized by FT-infrared, elemental analysis and single crystal x-ray diffraction. Crystal data for this complex：Monoclinic, space group: C 1 2 1 (no. 5), a = 14.1623(6) Å, b = 6.8385(3) Å, c = 8.4951(4) Å, β= 118.18(0)∘, V =725.23(6) Å^3, Dx = 1.718 Mg m^(-3), Z=1, R[F^2 ＞ 2σ(F^2)] = 0.0311, wR(F^2) = 0.0896. The title compound, the coordination sphere of the Co(Ⅱ) metal, is octahedral coordination with an approximate D2v symmetry. It is defined by four water molecular O atom and two N atoms from the two pya ligand. In addition, the intermolecular O-H･･･O hydrogen-bonding and π･･･π stacking interactions further extend the title complex to form a 3-D structure.

關鍵字

水熱合成 ； 自組裝 ； 吡啶－3－甲酸 ； 氫鍵

並列摘要

A metal complex, trans-[Co(pya)2(H2O)4] (1) (pya = pyridine-3-carboxylic acid), is hydrothermal synthesized from the reaction of CoBr2．xH2O, pyridine-3-carboxylic acid and ethylenediamine. Compound 1 is fully characterized by FT-infrared, elemental analysis and single crystal x-ray diffraction. Crystal data for this complex：Monoclinic, space group: C 1 2 1 (no. 5), a = 14.1623(6) Å, b = 6.8385(3) Å, c = 8.4951(4) Å, β= 118.18(0)∘, V =725.23(6) Å^3, Dx = 1.718 Mg m^(-3), Z=1, R[F^2 ＞ 2σ(F^2)] = 0.0311, wR(F^2) = 0.0896. The title compound, the coordination sphere of the Co(Ⅱ) metal, is octahedral coordination with an approximate D2v symmetry. It is defined by four water molecular O atom and two N atoms from the two pya ligand. In addition, the intermolecular O-H･･･O hydrogen-bonding and π･･･π stacking interactions further extend the title complex to form a 3-D structure.

並列關鍵字

Hydrothermal Synthesis ； Self-assembly ； Pyridine-3-carboxylic acid ； Hydrogen bonding