After the mixture was stirred for 5 min, zinc nitrate hexahydrate (6 mmol, 1.78 g) was added. After stirring for 5 h, volatile substances were evaporated off and excess amount of diethyl ...

Crystals were made by dissolving a mixture of chemicals and zinc nitrate hexahydrate in a common solvent called dimethylformamide at 120°C for 24 hours. Using an X-ray technique called single ...