Poly[aqua-mu3-2,2-dimethylmalonato-zinc(II)]
1School of Materials and Chemical Engineering, and Key Laboratory of Hollow Fiber Membrane Materials and Membrane Processes, Tianjin Polytechnic University, Tianjin 300160, People's Republic of China. guomlin@yahoo.com
Acta Crystallographica. Section C, Crystal Structure Communications
|November 8, 2006
Summary
This study details a novel two-dimensional coordination polymer, [Zn(C5H6O4)(H2O)]n. Its structure features zinc atoms with trigonal bipyramidal geometry, linked by dimethylmalonate and aqua ligands.
Area of Science:
- Inorganic Chemistry
- Crystal Engineering
- Materials Science
Background:
- Coordination polymers offer tunable properties based on metal-ligand interactions.
- Understanding crystal structures is key to designing materials with specific functions.
- Dimethylmalonate ligands provide versatile coordination modes.
Purpose of the Study:
- To synthesize and characterize a novel zinc-based coordination polymer.
- To elucidate the crystal structure and coordination geometry of the complex.
- To investigate the intermolecular interactions responsible for the extended network.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the crystal structure.
- Coordination chemistry principles were applied to analyze metal-ligand bonding.
- Analysis of hydrogen bonding and van der Waals forces elucidated network formation.
Main Results:
- A two-dimensional layer structure of [Zn(C5H6O4)(H2O)]n was successfully determined.
- Zinc atoms exhibit a coordination geometry closer to trigonal bipyramidal.
- The structure is stabilized by intralayer hydrogen-bonded networks and interlayer van der Waals forces.
Conclusions:
- The synthesized complex exhibits a unique 2D layered architecture.
- The coordination environment around the zinc center is well-defined.
- Intermolecular forces play a crucial role in constructing the 3D supramolecular network.


