[{"from": "human", "value": "Please give me some details about this molecule. [Be+2].[I-1].[I-1]"}, {"from": "gpt", "value": "The molecule is an iodide of beryllium. Beryllium is a lightweight alkaline earth metal with the atomic number 4. It is a relatively rare element found naturally only combined with other elements in minerals. (L24)"}]