Dichlorine trioxide

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What Wikipedia says

Dichlorine trioxide, Cl2O3, is a chlorine oxide. It is a dark brown solid discovered in 1967 which is explosive even below 0 °C. It is formed by the low-temperature photolysis of ClO2 and is formed along with Cl2O6, Cl2 and O2. Its structure is believed to be OCl−ClO2 with possible isomers such as Cl−O−ClO2.

Excerpt from the Wikipedia article “Dichlorine trioxide”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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