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Abstract:
Two new coordination polymers [Pr(PCPA) 3 (H 2 O)] n 1 and [Pr 2 (PCPA) 6 (H 2 O) 3 ] n ·nH 2 O 2(PCPA = p-chlorophenoxyacetic acid) have been synthesized under similar conditions by the hydrothermal method and characterized by single-crystal X-ray diffraction, elemental analyses, powder X-ray diffraction (PXRD) analysis, IR spectroscopy, two-dimensional correlation infrared spectroscopy(2D-IR COS) and ultraviolet-visible diffuse reflection integral spectroscopy (UV–Vis DRIS). 1 displays a 1D infinite chain, which is further linked by O/C–H⋯O hydrogen bonds to form a 3D supra-molecular architecture. 2 shows a 2D layer structure, which is extended by C–H⋯Cl hydrogen bonds generating a 3D network. Noteworthy, we also studied 2D-IR COS under the thermal perturbation to contribute to the development of theory. The 2D-IR correlation spectroscopy analysis is consistent with the analysis of structure and it is superior to 1D IR spectroscopy especially in the coordinated carboxyl group. © 2019 Elsevier B.V.
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Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
ISSN: 1386-1425
Year: 2019
Volume: 213
Page: 430-437
3 . 2 3 2
JCR@2019
4 . 3 0 0
JCR@2023
ESI HC Threshold:184
JCR Journal Grade:1
CAS Journal Grade:2
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count: 7
ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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