Unknown

Dataset Information

0

Solid-State Nonlinear Optical Properties of Mononuclear Copper(II) Complexes with Chiral Tridentate and Tetradentate Schiff Base Ligands.


ABSTRACT: Salen-type metal complexes have been actively studied for their nonlinear optical (NLO) properties, and push-pull compounds with charge asymmetry generated by electron releasing and withdrawing groups have shown promising results. As a continuation of our research in this field and aiming at solid-state features, herein we report on the synthesis of mononuclear copper(II) derivatives bearing either tridentate N2O Schiff bases L(a-c)- and pyridine as the forth ancillary ligand, [Cu(La-c)(py)](ClO4) (1a-c), or unsymmetrically-substituted push-pull tetradentate N2O2 Schiff base ligands, [Cu(5-A-5'-D-saldpen/chxn)] (2a-c), both derived from 5-substituted salicylaldehydes (sal) and the diamines (1R,2R)-1,2-diphenylethanediamine (dpen) and (1S,2S)-1,2-diaminocyclohexane (chxn). All compounds were characterized through elemental analysis, infrared and UV/visible spectroscopies, and mass spectrometry in order to guarantee their purity and assess their charge transfer properties. The structures of 1a-c were determined via single-crystal X-ray diffraction studies. The geometries of cations of 1a-c and of molecules 2a-c were optimized through DFT calculations. The solid-state NLO behavior was measured by the Kurtz-Perry powder technique @1.907 µm. All chiral derivatives possess non-zero quadratic electric susceptibility (?(2)) and an efficiency of about 0.15-0.45 times that of standard urea.

SUBMITTER: Rigamonti L 

PROVIDER: S-EPMC6862439 | BioStudies | 2019-01-01

REPOSITORIES: biostudies

Similar Datasets

2020-01-01 | S-EPMC7509381 | BioStudies
2017-01-01 | S-EPMC5495544 | BioStudies
2009-01-01 | S-EPMC2787896 | BioStudies
2010-01-01 | S-EPMC2949281 | BioStudies
2013-01-01 | S-EPMC3709604 | BioStudies
2018-01-01 | S-EPMC6641326 | BioStudies
2014-01-01 | S-EPMC6272002 | BioStudies
1000-01-01 | S-EPMC2977491 | BioStudies
2012-01-01 | S-EPMC3371653 | BioStudies
1000-01-01 | S-EPMC2959593 | BioStudies