Diarsenic pentoxide (As2O5) is a molecular compound. It has a covalent structure. The molecule consists of two arsenic atoms and five oxygen atoms. The arsenic atoms are bonded to each other by a double bond, and each arsenic atom is bonded to three oxygen atoms by single bonds. The molecular structure of diarsenic pentoxide is shown below:

```

O=As-O-As=O

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O

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