Chemical Properties of Carbonic difluoride (CAS 353-50-4)

InChI

InChI=1S/CF2O/c2-1(3)4

InChI Key

IYRWEQXVUNLMAY-UHFFFAOYSA-N

Formula

CF2O

SMILES

O=C(F)F

Molecular Weight¹

66.01

CAS

353-50-4

Other Names

• CARBON DIFLUORIDE OXIDE
• CARBON OXYFLUORIDE
• COF2
• Carbon fluoride oxide
• Carbon fluoride oxide (COF2)
• Carbon oxyfluoride (COF2)
• Carbonyl difluoride
• Carbonyl fluoride
• Difluoroformaldehyde
• Difluorooxomethane
• Difluorophosgene
• Fluophosgene
• Fluoroformyl fluoride
• Fluorophosgene
• Rcra waste number U033
• UN 2417

• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• 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_fH°_{(+) ion} : Enthalpy of formation of positive ion at standard conditions (kJ/mol).
• Δ_fH_{(+) ion,0K} : Enthalpy of formation of positive ion at 0K (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_fusH : Enthalpy of fusion at a given temperature (kJ/mol).
• Δ_subH : Enthalpy of sublimation at a given temperature (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
PAff	666.70	kJ/mol	NIST
BasG	637.00	kJ/mol	NIST
ΔfG°	-561.00	kJ/mol	Joback Calculated Property
ΔfH°gas	[-640.60; -639.90]	kJ/mol
ΔfH°gas	-640.60 ± 5.90	kJ/mol	NIST
ΔfH°gas	-639.90 ± 1.00	kJ/mol	NIST
ΔfH°(+) ion	649.00	kJ/mol	NIST
ΔfH(+) ion,0K	653.00	kJ/mol	NIST
ΔfusH°	6.10	kJ/mol	Joback Calculated Property
ΔvapH°	22.93	kJ/mol	Joback Calculated Property
IE	[13.02; 14.60]	eV
IE	13.04 ± 0.03	eV	NIST
IE	13.04 ± 0.03	eV	NIST
IE	13.04	eV	NIST
IE	13.02	eV	NIST
IE	13.20 ± 0.10	eV	NIST
IE	Outlier 14.60 ± 0.10	eV	NIST
IE	13.60	eV	NIST
log10WS	-0.70		Crippen Calculated Property
logPoct/wat	1.045		Crippen Calculated Property
McVol	30.060	ml/mol	McGowan Calculated Property
Pc	5560.87	kPa	Joback Calculated Property
Tboil	190.00	K	NIST
Tc	430.23	K	Joback Calculated Property
Tfus	152.14	K	Joback Calculated Property
Vc	0.134	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[44.14; 54.09]	J/mol×K	[274.69; 430.23]
T(K) Ideal gas heat capacity (J/mol×K) 44 46 48 50 52 54 300 350 400
Cp,gas	44.14	J/mol×K	274.69	Joback Calculated Property
Cp,gas	45.94	J/mol×K	300.61	Joback Calculated Property
Cp,gas	47.68	J/mol×K	326.54	Joback Calculated Property
Cp,gas	49.36	J/mol×K	352.46	Joback Calculated Property
Cp,gas	50.99	J/mol×K	378.38	Joback Calculated Property
Cp,gas	52.57	J/mol×K	404.31	Joback Calculated Property
Cp,gas	54.09	J/mol×K	430.23	Joback Calculated Property
ΔfusH	6.70	kJ/mol	161.90	NIST
ΔsubH	23.20	kJ/mol	144.50	NIST
ΔvapH	20.00	kJ/mol	174.00	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.68]	kPa	[142.83; 201.85]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.41385e+01
Coefficient B			-1.43630e+03
Coefficient C			-3.91300e+01
Temperature range, min.			142.83
Temperature range, max.			201.85
T(K) Vapor pressure (kPa) 0 50 100 150 200 160 180 200
Pvap	1.33	kPa	142.83	Calculated Property
Pvap	3.04	kPa	149.39	Calculated Property
Pvap	6.32	kPa	155.95	Calculated Property
Pvap	12.14	kPa	162.50	Calculated Property
Pvap	21.85	kPa	169.06	Calculated Property
Pvap	37.16	kPa	175.62	Calculated Property
Pvap	60.20	kPa	182.18	Calculated Property
Pvap	93.48	kPa	188.73	Calculated Property
Pvap	139.90	kPa	195.29	Calculated Property
Pvap	202.68	kPa	201.85	Calculated Property

Similar Compounds

Find more compounds similar to Carbonic difluoride.

Sources

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

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.