dicaesium(1+) ion oxidandiide

• ChemBase ID: 126320
• Molecular Formular: Cs2O
• Molecular Mass: 281.8103
• Monoisotopic Mass: 281.80581662
• SMILES: [Cs+].[Cs+].[O-2]
• Canonical SMILES: [O-2].[Cs+].[Cs+]
• InChI: InChI=1S/2Cs.O/q2*+1;-2
• InChIKey: KOPBYBDAPCDYFK-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: dicaesium(1+) ion oxidandiide
• IUPAC Traditional name: dicaesium(1+) ion oxidandiide
• Synonyms: Cesium oxide (US); Caesium oxide

Database IDs

• CAS Number: 20281-00-9
• EC Number: 243-679-0
• PubChem SID: 162220658
• PubChem CID: 9903865
• Chemspider ID: 8079519
• Wikipedia Title: Caesium_oxide

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): 0.0
• LogD (pH = 7.4): 0.0
• Log P: 0.0
• Molar Refractivity: 0.0 cm^3
• Polarizability: 5.792487 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: reacts in water
• Apperance: yellow-orange solid
• Melting Point: 490 °C (under N₂)
• Flash Point: non-flammable
• Density: 4.65 g/cm^3, solid
• Heat Capacity: 76.0 J?K^-1?mol^-1
• Std enthalpy of formation: -345.8 kJ/mol
• Std molar entropy: 146.9 J?K^-1?mol^-1

Safety Information

• EU Index: not listed