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Periodic Table/Compounds/dioxygen(.1+)

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© Melvin Olsson 2025–2026
Data: IAEA & PubChem

dioxygen(.1+)

O₂+·31.999 g/mol·CID 5460605

Also known as: CHEBI:29372, RefChem:1083759, 12185-07-8 , Oxygen cation, dioxidanyliumyl (+4 more)

2D structure of dioxygen(.1+)

Molecular Structure

Molecular Propertiesmass · H-bonds · stereo

Molecular Weight

31.999g/mol

Exact Mass

31.989829Da

Monoisotopic Mass

31.989829Da

XLogP

-1.1

Polar Surface Area

18.1Ų

Complexity

0

Formal Charge

1

H-Bond Donors

0

H-Bond Acceptors

1

Rotatable Bonds

0

Heavy Atoms

2

Stereo Centers

0

Bond Stereo

0

Drug-Likeness (Lipinski's Rule of Five)

✓ 32.0 g/mol
MW ≤ 500
✓ -1.1
LogP ≤ 5
✓ 0
H-bond donors ≤ 5
✓ 1
H-bond acceptors ≤ 10

Passes all rules — good oral bioavailability predicted

Chemical IdentifiersSMILES · InChI

InChI

InChI=1S/O2/c1-2/q+1

Isomers8 compounds with formula O₂+

2D structure of molecular oxygen

molecular oxygen

CID 977 · 32.0 g/mol

2D structure of CID 5359597

CID 5359597

CID 5359597 · 32.0 g/mol

2D structure of CID 10313042

CID 10313042

CID 10313042 · 36.0 g/mol

2D structure of CID 10197606

CID 10197606

CID 10197606 · 34.0 g/mol

2D structure of oxygen(2-)

oxygen(2-)

CID 5289087 · 32.0 g/mol

2D structure of CID 73357760

CID 73357760

CID 73357760 · 38.0 g/mol

2D structure of CID 10197605

CID 10197605

CID 10197605 · 34.0 g/mol

2D structure of CID 10290726

CID 10290726

CID 10290726 · 30.0 g/mol

External Resources

PubChem ↗Wikipedia ↗