Chemical Properties of cyanogen iodide (CAS 506-78-5)

InChI

InChI=1S/CIN/c2-1-3

InChI Key

WPBXOELOQKLBDF-UHFFFAOYSA-N

Formula

CIN

SMILES

N#CI

Molecular Weight¹

152.92

CAS

506-78-5

• 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°_solid : Solid phase enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_subH° : Enthalpy of sublimation at standard conditions (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
ΔfG°	148.84	kJ/mol	Joback Calculated Property
ΔfH°gas	224.60 ± 4.30	kJ/mol	NIST
ΔfH°solid	164.80 ± 4.30	kJ/mol	NIST
ΔfusH°	4.26	kJ/mol	Joback Calculated Property
ΔsubH°	[59.83; 59.90]	kJ/mol
ΔsubH°	59.83 ± 0.42	kJ/mol	NIST
ΔsubH°	59.90 ± 0.20	kJ/mol	NIST
ΔvapH°	40.00 ± 0.30	kJ/mol	NIST
IE	[10.87; 10.91]	eV
IE	10.87 ± 0.00	eV	NIST
IE	10.91	eV	NIST
IE	10.91 ± 0.02	eV	NIST
IE	10.87 ± 0.02	eV	NIST
log10WS	-1.55		Crippen Calculated Property
logPoct/wat	0.902		Crippen Calculated Property
McVol	52.150	ml/mol	McGowan Calculated Property
Pc	5398.63	kPa	Joback Calculated Property
Tboil	417.50	K	Joback Calculated Property
Tc	657.23	K	Joback Calculated Property
Tfus	224.08	K	Joback Calculated Property
Vc	0.205	m3/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[49.36; 53.13]	J/mol×K	[417.50; 657.23]
Cp,gas	49.36	J/mol×K	417.50	Joback Calculated Property
Cp,gas	50.21	J/mol×K	457.45	Joback Calculated Property
Cp,gas	50.96	J/mol×K	497.41	Joback Calculated Property
Cp,gas	51.62	J/mol×K	537.36	Joback Calculated Property
Cp,gas	52.19	J/mol×K	577.32	Joback Calculated Property
Cp,gas	52.69	J/mol×K	617.27	Joback Calculated Property
Cp,gas	53.13	J/mol×K	657.23	Joback Calculated Property
ΔsubH	[58.30; 59.90]	kJ/mol	[326.00; 381.50]
ΔsubH	58.30	kJ/mol	326.00	NIST
ΔsubH	58.60	kJ/mol	356.00	NIST
ΔsubH	59.80 ± 0.40	kJ/mol	381.50	NIST
ΔsubH	59.90	kJ/mol	381.50	NIST
ΔvapH	40.00	kJ/mol	422.50	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.64]	kPa	[308.73; 455.53]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.58763e+01
Coefficient B			-4.81263e+03
Temperature range, min.			308.73
Temperature range, max.			455.53
Pvap	1.33	kPa	308.73	Calculated Property
Pvap	2.92	kPa	325.04	Calculated Property
Pvap	5.92	kPa	341.35	Calculated Property
Pvap	11.25	kPa	357.66	Calculated Property
Pvap	20.24	kPa	373.97	Calculated Property
Pvap	34.65	kPa	390.29	Calculated Property
Pvap	56.82	kPa	406.60	Calculated Property
Pvap	89.70	kPa	422.91	Calculated Property
Pvap	136.88	kPa	439.22	Calculated Property
Pvap	202.64	kPa	455.53	Calculated Property

Similar Compounds

Find more compounds similar to cyanogen iodide.

Sources

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

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