Those dashed lines are hydrogen atoms. Now we can actually see a real picture of a hydrogen bond between molecules of 8-Hydroxyquinoline in the images below. The chemical forms hydrogen bonds and ...
Identification of potent COVID-19 main protease inhibitors by loading of favipiravir on Mg12O12 and Zn12O12 nanoclusters: an in silico strategy for COVID-19 treatment.