Pharmacist 0 Posted December 25, 2018 Hello I am confused most papers says schiff base complexation with metals resulting in lower shift in Ir spectrum of azomethine group. As far as I know decreasing e density leads to increase the frequency vibration. However after intense inspections, I found two papers says it causes to increase the freq. Is it possible for both?? 0 Share this post Link to post Share on other sites
