[{"from": "human", "value": "What can you tell me about this molecule? [Be][=O]"}, {"from": "gpt", "value": "The molecule is a beryllium molecular entity consisting of beryllium (+2 oxidation state) and oxide in the ratio 1:1. In the solid state, BeO adopts the hexagonal wurtzite structure form while in the vapour phase, it is present as discrete diatomic covalent molecules. It has a role as a carcinogenic agent. It is a beryllium molecular entity and a metal oxide."}]