thorium dioxide

Formula: O₂Th
Molecular weight: 264.0369
IUPAC Standard InChI: InChI=1S/2O.Th
IUPAC Standard InChIKey: ZCUFMDLYAMJYST-UHFFFAOYSA-N
CAS Registry Number: 1314-20-1
Chemical structure:
This structure is also available as a 2d Mol file
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Other data available:
- Gas phase ion energetics data
- Vibrational and/or electronic energy levels
Data at other public NIST sites:
- X-ray Photoelectron Spectroscopy Database, version 5.0
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Condensed phase thermochemistry data

Quantity	Value	Units	Method	Reference	Comment
Δ_fH°_solid	-293.12 ± 0.84	kcal/mol	Review	Cox, Wagman, et al., 1984	CODATA Review value
Quantity	Value	Units	Method	Reference	Comment
S°_{solid,1 bar}	15.59 ± 0.048	cal/mol*K	Review	Cox, Wagman, et al., 1984	CODATA Review value

Go To: Top, Condensed phase thermochemistry data, Notes

Cox, Wagman, et al., 1984
Cox, J.D.; Wagman, D.D.; Medvedev, V.A., CODATA Key Values for Thermodynamics, Hemisphere Publishing Corp., New York, 1984, 1. [all data]

Go To: Top, Condensed phase thermochemistry data, References

Symbols used in this document:

S°_{solid,1 bar} Entropy of solid at standard conditions (1 bar)

Δ_fH°_solid Enthalpy of formation of solid at standard conditions
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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S°_{solid,1 bar}	Entropy of solid at standard conditions (1 bar)
Δ_fH°_solid	Enthalpy of formation of solid at standard conditions