Abstract

A two-dimensional (2D) coordination polymer, [Co(4-dpds)(bdc)(H2O)2]·4-dpds (1) (4-dpds = 4,4′-dipyridyldusulfide and bdc2− = dianion of benzenedicarboxylic acid), has been synthesized and structurally determined by single-crystal X-ray diffractometer. In 1, the bdc2− and 4-dpds both act as bridging ligands connecting the Co(II) ions to form a 2D wrinkled-like layered coordination polymer. Two wrinkled-like layered coordination polymers are mutually penetrated to generate a doubly interpenetrated framework, and then extended to its 3D architecture via the supramolecular forces between doubly interpenetrated 2D frameworks and free 4-dpds ligands by intermolecular O–H⋅⋅⋅N hydrogen bonding interaction. Crystal packing arrangements were characterized by fingerprint plots, which were derived from the Hirshfeld Surfaces analysis, and showed that intermolecular hydrogen bonding interactions are the most important interactions on the construction of the crystal 1.

Highlights

  • The three-dimensional (3D) structure constructed by coordination polymers [1] or metal organic frameworks (MOFs) [1,2] with various types of structural topologies have been widely studied, on their structural diversity [3,4,5,6,7,8,9,10,11,12], and on their potential functional applications

  • We report here the synthesis, structural characteristics and thermal stability of a 2D coordination polymer, [Co(4-dpds)(bdc)(H2 O)2 ]·4-dpds (1), which is built up by doubly interpenetrated 2D wrinkled-like layered coordination polymers and guest

  • We have successfully presented the synthesis, structure, thermal stability and Hirshfeld surface analysis of a 3D coordination compound, [Co(4-dpds)(bdc)(H2 O)2 ]·4-dpds (1), which is assembled by doubly interpenetrated 2D wrinkled-like layered coordination polymers and guest

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Summary

Introduction

The three-dimensional (3D) structure constructed by coordination polymers [1] or metal organic frameworks (MOFs) [1,2] with various types of structural topologies have been widely studied, on their structural diversity [3,4,5,6,7,8,9,10,11,12], and on their potential functional applications. We report here the synthesis, structural characteristics and thermal stability of a 2D coordination polymer, [Co(4-dpds)(bdc)(H2 O)2 ]·4-dpds (1), which is built up by doubly interpenetrated 2D wrinkled-like layered coordination polymers and guest. Hydrogen bonding interactions between the 2D layered coordination polymers and guest 4-dpds play an important role in the construction of its 3D packing array. Crystals 2020, 10, 419 tool to examine intermolecular interactions, such as hydrogen bonds, close and distant van der Waals contacts and C–H···π interactions within the crystal. The nature of these interactions in 1 is identified when examining crystal packing diagrams by the Hirshfeld surface analysis

Results and Discussion
Symmetry
Hirdhfeld Surface Analysis
Materials and Physical
Crystallographic
In Situ X-ray Powder Diffraction of 1
Computational Details
Conclusions
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