molecular oxygen

O2 — CID 977

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IUPACmolecular oxygen
SMILESO=O
InChIInChI=1S/O2/c1-2
InChIKeyMYMOFIZGZYHOMD-UHFFFAOYSA-N
MW32.00 g/mol
LogP0.07
Rot. Bonds

About molecular oxygen

molecular oxygen (PubChem CID 977) has the molecular formula O2 and a molecular weight of 32.00 g/mol. Its IUPAC name is molecular oxygen.

Molecular Properties

Compound Namemolecular oxygen
PubChem CID977
Molecular FormulaO2
Molecular Weight32.00 g/mol
Exact Mass31.99
IUPAC Namemolecular oxygen
SMILESO=O
InChIInChI=1S/O2/c1-2
InChIKeyMYMOFIZGZYHOMD-UHFFFAOYSA-N
XLogP0.07
TPSA34.14 Ų
H-Bond Donors
H-Bond Acceptors2
Rotatable Bonds
Heavy Atoms2
Complexity—

Lipinski Rule of Five

Passes Rule of Five

RuleValue
MW ≤ 50032.00
LogP ≤ 50.07
H-Bond Donors ≤ 50
H-Bond Acceptors ≤ 102

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Related Compounds

Ozone
CID 24823
Superoxide
CID 5359597
Oxygen-18O2
CID 10313042
Helium, mixt. with oxygen
CID 123812
Oxygen O-17
CID 10197606
Dioxygen(.1+)
CID 5460605
Ozonide
CID 11966307
Oxygen, isotope of mass 19, at.
CID 73357760
CID 20713240
CID 20713240
Argon;ozone
CID 21189310
CID 57937909
CID 57937909
Molecular hydrogen;molecular oxygen
CID 131711465

Frequently Asked Questions

What is the IUPAC name of molecular oxygen?
The IUPAC name of molecular oxygen (CID 977) is molecular oxygen.
What is the SMILES notation for molecular oxygen?
The canonical SMILES for molecular oxygen is O=O.
What is the InChIKey of molecular oxygen?
The InChIKey is MYMOFIZGZYHOMD-UHFFFAOYSA-N. The full InChI is InChI=1S/O2/c1-2.
What are the key properties of molecular oxygen?
molecular oxygen has a molecular weight of 32.00 g/mol, XLogP of 0.07, 0 rotatable bonds, 0 hydrogen bond donors, and 2 hydrogen bond acceptors.
Where does this data come from?
All data for molecular oxygen is sourced from PubChem (CID 977), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).