Chemical Properties of Oxygen difluoride (CAS 7783-41-7)

InChI

InChI=1S/F2O/c1-3-2

InChI Key

UJMWVICAENGCRF-UHFFFAOYSA-N

Formula

F2O

SMILES

FOF

Molecular Weight¹

54.00

CAS

7783-41-7

Other Names

• Difluorine monooxide
• Difluorine monoxide
• FLUORINE OXIDE
• Fluorine monoxide
• OF2
• Oxydifluoride
• Oxygen fluoride
• Oxygen fluoride (OF2)
• UN 2190

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• μ : Dipole Moment (debye).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• IE : Ionization energy (eV).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• P_c : Critical Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• ρ_l : Liquid Density (kg/m³).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
μ	0.20	debye	KDB
ΔfG°	41.78	kJ/mol	KDB
ΔfH°gas	24.53	kJ/mol	KDB
ΔfusH°	3.10	kJ/mol	Joback Calculated Property
ΔvapH°	16.37	kJ/mol	Joback Calculated Property
IE	[13.11; 13.26]	eV
IE	13.11 ± 0.01	eV	NIST
IE	13.11 ± 0.01	eV	NIST
IE	13.11	eV	NIST
IE	13.13	eV	NIST
IE	13.26	eV	NIST
log10WS	-0.60		Crippen Calculated Property
logPoct/wat	0.772		Crippen Calculated Property
McVol	20.270	ml/mol	McGowan Calculated Property
Pc	4960.00	kPa	KDB
Tboil	[127.90; 128.40]	K
Tboil	128.40	K	KDB
Tboil	127.90 ± 0.30	K	NIST
Tc	215.00	K	KDB
Tfus	[49.30; 49.40]	K
Tfus	49.30	K	KDB
Tfus	49.40 ± 0.25	K	NIST
Vc	0.089	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[37.05; 38.27]	J/mol×K	[220.36; 355.35]
Cp,gas	37.05	J/mol×K	220.36	Joback Calculated Property
Cp,gas	37.11	J/mol×K	242.86	Joback Calculated Property
Cp,gas	37.23	J/mol×K	265.36	Joback Calculated Property
Cp,gas	37.41	J/mol×K	287.86	Joback Calculated Property
Cp,gas	37.65	J/mol×K	310.36	Joback Calculated Property
Cp,gas	37.93	J/mol×K	332.86	Joback Calculated Property
Cp,gas	38.27	J/mol×K	355.35	Joback Calculated Property
ρl	1521.00	kg/m3	128.00	KDB

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[0.10; 4953.50]	kPa	[75.00; 210.00]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.47781e+01
Coefficient B			-1.33745e+03
Coefficient C			3.30000e+00
Temperature range, min.			75.00
Temperature range, max.			210.00
Pvap	0.10	kPa	75.00	Calculated Property
Pvap	1.56	kPa	90.00	Calculated Property
Pvap	11.34	kPa	105.00	Calculated Property
Pvap	50.96	kPa	120.00	Calculated Property
Pvap	165.25	kPa	135.00	Calculated Property
Pvap	425.70	kPa	150.00	Calculated Property
Pvap	926.40	kPa	165.00	Calculated Property
Pvap	1775.11	kPa	180.00	Calculated Property
Pvap	3082.66	kPa	195.00	Calculated Property
Pvap	4953.50	kPa	210.00	Calculated Property

Similar Compounds

Find more compounds similar to Oxygen difluoride.

Sources

• Crippen Method
• Crippen Method
• Joback Method
• KDB
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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