Citation: HU Wei-Bing, SONG Nan-Nan, HUANG Meng, FENG Fu, TIAN Da-Ting, ZHOU Hong-Yan, SONG Xin-Jian. Synthesis and Crystal Structure of a New Complex [Cu(C₁₄H₉O₃)₂(C₅H₅N)₂(C₂H₅OH)₂][J]. Chinese Journal of Structural Chemistry, ;2014, 33(5): 753-756. shu

Synthesis and Crystal Structure of a New Complex [Cu(C₁₄H₉O₃)₂(C₅H₅N)₂(C₂H₅OH)₂]

1.
Key Laboratory of Biological Resources Protection and Utilization of Hubei Province, Hubei Institute for Nationalities, Enshi 445000, China

Corresponding author: HU Wei-Bing,
Received Date: 8 October 2013
Available Online: 2 November 2013
Fund Project: Supported by the Natural Science Foundation of Hubei Province (2012FFB01103) (2012FFB01103) the Hubei Provincial Department of Education (No. Q20131905) (No. Q20131905) the Fund of Ethnic Affairs Commission of China (No. 12HBZ010) (No. 12HBZ010)the Team Research for Excellent Mid-aged and Young Teachers of Higher Education of Hubei Province (T201006) (PKLHB1303)

The title compound of Cu(C₁₄H₉O₃)₂(C₅H₅N)₂(C₂H₅OH)₂ (1) was synthesized via the hydrothermal reaction of CuCl₂·2H₂O and 9-hydroxy-fluorene-9-carboxylic acid (HHF) with pyridine, and characterized by elemental analysis and infrared spectra. The crystal belongs to triclinic, space group P1 with a=8.8302(12), b=10.1625(14), c=12.2708(17)Å, α=86.207(2), β=69.562(2), γ=64.932(2)°, V=930.3(2)Å³, Z=1, M_r=764.30, D_c=1.364 g/cm³, F(000)=399, S=1.059 and μ(MoKα)=0.644 mm^-1. The final R=0.0459 and wR=0.1274 for 3414 observed reflections with I>2σ(I). The copper atom is six-coordinated by two oxygen atoms from two different 9-hydroxy-fluorene-9-carboxylate ligands, two pyridine nitrogen atoms and two ethanol oxygen atoms, forming a distorted octahedral coordination geometry. The extensive O-H…O hydrogen bonding connects the molecules to form a one-dimensional chain structure. Between adjacent one-dimensional chains, a two-dimensional layered structure was formed by fluorene ring π-π packing interaction. Between the layers, a three-dimensional structure was formed through the π-π packing interaction of the pyridine ring. Moreover, the thermal stability and photoluminescent property of the complex has been investigated.
- 9-hydroxy-fluorene-9-carboxylic acid,
- synthesis,
- crystal structure
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