@article{alshawi_emshary_yassin_hassan_sultan_hussein_ismael_2026,  title={SYNTHESIS OF A SCHIFF BASE COMPLEX: A STUDY OF ITS DFT AND NON-LINEAR OPTICAL PROPERTIES},  volume={49},  ISSN={0100-4042},  url={https://doi.org/10.21577/0100-4042.20260101},  DOI={10.21577/0100-4042.20260101},  journal={Química Nova},  publisher={Sociedade Brasileira de Química},  author={Alshawi, Jasim M. S. and Emshary, Chassib A. and Yassin, Sara K. and Hassan, Qusay M. A. and Sultan, Hassan A. and Hussein, Kawkab Ali and Ismael, Sadiq M. H.},  year={2026},  pages={e–20260101} }