Journal of Chemical Crystallography

, Volume 44, Issue 2, pp 63–69 | Cite as

Construction of a New 2D Cadmium(II) Coordination Polymer Based on N- and O-Donor Ligands: Synthesis, Luminescence and Biological Activities

Original Paper


A new 2D Cd(II) coordination polymer, {[Cd(4-cpa) (bpp)2H2O]·(4-cpa)·(H2O)} n (1) [4-cpa = 4-chlorophenoxyacetate, bpp = 1,3-bis(4-pyridyl)propane] has been hydrothermally synthesized and characterized by elemental analysis, IR-spectroscopy, thermogravimetric analysis, powder X-ray diffraction and single-crystal X-ray diffraction. Complex 1 consists of discrete 2D cadmium complex, 4-cpa counter ions and free water molecules, which are assembled into a 3D supramolecular structure through hydrogen bonds and π···π stacking interactions. Three-dimensional fluorescence spectra of 1 were detected at room temperature under the excitation and the emission wavelengths in the range of 300–600 nm with the interval of 5 nm. The lifetime of the excited state of 1 upon excitation of 443 nm in solid-state at room temperature is 30.21 ns. The 4-cpa ligand and complex 1 have been screened for their phytogrowth-inhibitory activities against Brassica campestris L. and Echinochloa utilis Ohwi et Yabuno, and the results are compared with the activity of sodium 2,4-dichlorophenoxyacetate.

Graphical Abstract

Hydrothermal synthesis of a new 2D Cd(II) coordination polymer, {[Cd(4-cpa) (bpp)2H2O]·(4-cpa)·(H2O)} n (1) [4-cpa = 4-chlorophenoxyacetate, bpp = 1,3-bis(4-pyridyl)propane] leading to a material that displays intense blue 3D luminescence properties and phytogrowth-inhibitory activities.


Cadmium(II) coordination polymer Synthesis Luminescence Phytogrowth-inhibitory activity 



This work was partially supported by Foundation for Distinguished Young Talents in Higher Education of Guangdong Province (2012LYM_0134), Science and Technology Planning Project of Zhaoqing City (2012G013), China Natural Science Fund (81202461), and the China Postdoctoral Science Foundation (2013M531906).


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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.School of Chemistry and Chemical EngineeringZhaoqing UniversityZhaoqingPeople’s Republic of China
  2. 2.College of MedicineJinan UniversityGuangzhouPeople’s Republic of China

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