Citation: LIU Bo-Lan, GE Zhi-Wei, GUO Jian-Hua, LI Cheng-Peng, CHEN Jing. A 2D Cd^Ⅱ Coordination Polymer Constructed from 4-Amino-3,5-bis(2-pyridyl)-1,2,4-triazole and Tetrabromo-terephthalic Acid: Synthesis, Crystal Structure, and Properties[J]. Chinese Journal of Structural Chemistry, ;2015, 34(7): 1128-1134. doi: 10.14102/j.cnki.0254-5861.2011-0627 shu

A 2D Cd^Ⅱ Coordination Polymer Constructed from 4-Amino-3,5-bis(2-pyridyl)-1,2,4-triazole and Tetrabromo-terephthalic Acid: Synthesis, Crystal Structure, and Properties

1.
College of Chemistry, Tianjin Key Laboratory of Structure and Performance for Functional Molecules, MOE Key Laboratory of Inorganic-organic Hybrid Functional Material Chemistry, Tianjin Normal University, Tianjin 300387, China

Received Date: 8 January 2015
Available Online: 29 April 2015
Fund Project: This work was supported by Innovation Foundation of Tianjin Normal University (No. 52XC1402) (No. 52XC1402)

Hydrothermal reaction of Cd(OAc)₂, 4-amino-3,5-bis(2-pyridyl)-1,2,4-triazole (2-bpt) and tetrabromoterephthalic acid (H₂tbta) yields a novel layered network {[Cd(2-bpt)(tbta)](H₂O)₃}_n (1), which has been structurally determined by single-crystal X-ray diffraction. Complex 1 crystallizes in triclinic, space group P1 with a=9.384(3), b=10.652(3), c=14.096(4)Å, α=78.616(4), β=87.101(5), γ=86.555(5)°, V=1377.7(6)Å³, Z=2, M_r=884.43, D_c=2.132 g/cm³, F(000)=844, μ=6.644 mm^-1, R=0.0461 and wR=0.1173. The adjacent Cd^Ⅱ centers are connected via two 2-bpt molecules to form a 6-membered bimetallic ring, and such rings are further bridged via tbta^2- ligands to afford an infinite 2D coordination framework. Besides, these adjacent layers are extended to the resultant 3D supramolecular network via H-bonding interactions. In addition, the thermal stability and fluorescent properties of complex 1 have also been investigated.
- Cd(Ⅱ) complex,
- 4-amino-3,5-bis(2-pyridyl)-1,2,4-triazole,
- tetrabromoterephthalic acid,
- hydrogen bonding,
- properties
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