期刊
JOURNAL OF MOLECULAR STRUCTURE
卷 1293, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.molstruc.2023.136254
关键词
Liquid assisted grinding (LAG); Intramolecular charge-transfer (ICT); Pearson correlation coefficient (r); Nonlinear Optical (NLO) response
In this study, two novel Cu(I) complexes were synthesized by liquid-assisted grinding (LAG) method followed by heating. The complexes were characterized using SC-XRD, FT-IR, and UV-Visible spectroscopy. Theoretical calculations showed that both complexes have higher third-order nonlinear optical (NLO) response compared to prototypical urea.
The two novel Cu (I) complexes, [Cu(dmp)2]ClO4 with 2,9-dimethylphenanthroline (dmp) and [Cu(phen)2Br] with 1,10-phenanthroline (phen) were synthesized by liquid assisted grinding (LAG) method followed by heating. Complexes were characterized by using SC-XRD, FT-IR and UV-Visible spectroscopic techniques. The complex (1) [Cu(dmp)2]ClO4 crystallized in the Orthorhombic with the space group P 21 21 21, a = 11.9229(2) a, b = 12.4823(3) a, c = 18.2499(3) a and Complex (2) [Cu(phen)2Br] crystallized in the Monoclinic with the space group C2/c, a = 23.247(5) a, b = 30.731 (6) a, c = 7.5317(15) a and 13 = 97.677(6)o. The FMOs study based on DFT showed the complex (2) has high value of chemical softness and more easily polarized compare to complex (1). The HOMO-LUMO energy gap in complex (2) is small compared to complex (1) due to which there is easier intramolecular charge transfer (ICT) in complex (2) which support the higher third order NLO (y) response of the complex (2). The statistical calculations for Pearson correlation coefficient (r) and the P values showed that the selected level of theory is appropriate for the theoretical calculations of the complexes. Theoretical calculation showed that both the complexes have higher third order NLO response compared to prototypical urea.
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