Chemical Properties of Thionyl fluoride (CAS 7783-42-8)

InChI

InChI=1S/F2OS/c1-4(2)3

InChI Key

LSJNBGSOIVSBBR-UHFFFAOYSA-N

Formula

F2OS

SMILES

O=S(F)F

Molecular Weight¹

86.06

CAS

7783-42-8

Other Names

• Fluorure de thionyle
• OSF2
• SOF2
• Sulfur difluoride monoxide
• Sulfur difluoride oxide
• Sulfurous oxyfluoride
• Thionyl difluoride

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• 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).
• Δ_vapH : Enthalpy of vaporization at a given temperature (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).
• 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
ΔfG°	-658.21	kJ/mol	Joback Calculated Property
ΔfH°gas	-641.29	kJ/mol	Joback Calculated Property
ΔfusH°	9.67	kJ/mol	Joback Calculated Property
ΔvapH°	26.69	kJ/mol	Joback Calculated Property
IE	[12.19; 12.70]	eV
IE	12.25 ± 0.05	eV	NIST
IE	12.30	eV	NIST
IE	12.58 ± 0.10	eV	NIST
IE	12.25	eV	NIST
IE	12.19	eV	NIST
IE	12.70	eV	NIST
IE	12.58	eV	NIST
IE	12.60	eV	NIST
IE	12.58	eV	NIST
log10WS	-0.15		Crippen Calculated Property
logPoct/wat	0.504		Crippen Calculated Property
McVol	36.620	ml/mol	McGowan Calculated Property
Pc	6696.65	kPa	Joback Calculated Property
Tboil	232.50 ± 2.50	K	NIST
Tc	407.76	K	Joback Calculated Property
Tfus	127.42	K	Joback Calculated Property
Vc	0.162	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[54.21; 62.59]	J/mol×K	[256.22; 407.76]
Cp,gas	54.21	J/mol×K	256.22	Joback Calculated Property
Cp,gas	55.61	J/mol×K	281.48	Joback Calculated Property
Cp,gas	57.01	J/mol×K	306.73	Joback Calculated Property
Cp,gas	58.41	J/mol×K	331.99	Joback Calculated Property
Cp,gas	59.81	J/mol×K	357.25	Joback Calculated Property
Cp,gas	61.20	J/mol×K	382.50	Joback Calculated Property
Cp,gas	62.59	J/mol×K	407.76	Joback Calculated Property
ΔvapH	23.70	kJ/mol	208.50	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[2.20; 101.34]	kPa	[174.42; 229.35]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.24542e+01
Coefficient B			-1.31083e+03
Coefficient C			-6.20600e+01
Temperature range, min.			174.42
Temperature range, max.			229.35
Pvap	2.20	kPa	174.42	Calculated Property
Pvap	4.01	kPa	180.52	Calculated Property
Pvap	6.90	kPa	186.63	Calculated Property
Pvap	11.27	kPa	192.73	Calculated Property
Pvap	17.64	kPa	198.83	Calculated Property
Pvap	26.56	kPa	204.94	Calculated Property
Pvap	38.69	kPa	211.04	Calculated Property
Pvap	54.69	kPa	217.14	Calculated Property
Pvap	75.32	kPa	223.25	Calculated Property
Pvap	101.34	kPa	229.35	Calculated Property

Similar Compounds

Find more compounds similar to Thionyl fluoride.

Sources

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

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