[{"from": "human", "value": "Describe this molecule. [P-3].[P-3].[Cu+2].[Cu+2].[Cu+2]"}, {"from": "gpt", "value": "The molecule is a phosphide of copper. It is used in copper alloys. Copper is a chemical element with the symbol Cu and atomic number 29. Copper is an essential elements in plants and animals as it is required for the normal functioning of more than 30 enzymes. It occurs naturally throughout the environment in rocks, soil, water, and air. Metal phosphides are hydrolysed to phosphine upon contact with water or stomach acid. Phosphine is a colorless, flammable, explosive, and toxic gas. (L980, L277, L278, L294)"}]