Citation: LI Fu-An, XU Fu, YANG Wei-Chun, LI Song-Tian. Synthesis, Crystal Structure and Properties of a Chiral 3D Supramolecular Coordination Polymer[Co(HL)·(DMF)]_n from 5-(Imidazol-1-ylmethyl) isophthalic Acid[J]. Chinese Journal of Structural Chemistry, ;2016, 35(9): 1438-1444. doi: 10.14102/j.cnki.0254-5861.2011-1144 shu

Synthesis, Crystal Structure and Properties of a Chiral 3D Supramolecular Coordination Polymer[Co(HL)·(DMF)]_n from 5-(Imidazol-1-ylmethyl) isophthalic Acid

1.
College of Chemistry and Chemical Engineering, Pingdingshan University, Pingdingshan 467000, China

Received Date: 20 January 2016
Available Online: 18 June 2016
Fund Project: This project was supported by Education Chamber of Henan Province (No. 15A150068) (No. 15A150068)

A chiral supramolecular coordination polymer,[Co(HL)·(DMF)]n(1), with helical chains from a flexible ligand 5-(imidazol-1-ylmethyl)isophthalic acid(H2L) has been obtained under hydrothermal conditions and characterized by elemental analysis, powder X-ray diffraction(PXRD), IR, Uv/vis spectra, thermal gravimetric analyses(TGA) and also by single-crystal X-ray diffraction. It crystallizes in hexagonal, space group P6₅22 with a=8.8109(3), b=8.8109(3), c=71.771(3)Å, γ=120°, V=4825.3(3)Å³, Z=6, M_r=695.55, D_c=1.436 g/cm³, R_int=0.0684, F(000)=2166, the final R=0.0923 and wR=0.2697 for 3056 observed reflections(I>2σ(I)). The title coordination polymer 1 shows a chiral layered structure based on right-handed helix chains. Such layers are associated together through hydrogen-bonding interactions to form a 3D supramolecular framework.
- cobalt,
- 5-(imidazol-1-ylmethyl) isophthalic acid,
- PXRD,
- chiral coordination polymer
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