[{"from": "human", "value": "Please give me some details about this molecule. [O][=Sb][O][Sb][=O]"}, {"from": "gpt", "value": "The molecule is the chemical compound with the formula Sb2O3. It is the most important commercial compound of antimony. It is found in nature as the minerals valentinite and senarmontite. Antimony is a metallic element with the chemical symbol Sb and atomic number 51. Small amounts of antimony are found in the earth's crust. (L741, L760)"}]