Chemical Properties of Chromium hexacarbonyl (CAS 13007-92-6)

InChI

InChI=1S/6CO.Cr/c6*1-2;

InChI Key

KOTQLLUQLXWWDK-UHFFFAOYSA-N

Formula

C6CrO6

SMILES

[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].[C-]#[O+].[Cr]

Molecular Weight¹

220.06

CAS

13007-92-6

Other Names

• Chromcarbonyl
• Chromium carbonyl
• Chromium carbonyl (Cr(CO)6)
• Chromium carbonyl (cr(co)6), (oc-6-11)-
• Cr(CO)6
• Hexacarbonylchromium

• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (kJ/mol).
• Δ_cH°_solid : Standard solid enthalpy of combustion (kJ/mol).
• Δ_fH°_solid : Solid phase enthalpy of formation 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 a given temperature (kJ/mol).
• IE : Ionization energy (eV).
• P_vap : Vapor pressure (kPa).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
PAff	739.20	kJ/mol	NIST
BasG	714.60	kJ/mol	NIST
ΔcH°solid	[-1949.40; -1853.90]	kJ/mol
ΔcH°solid	-1932.00 ± 17.00	kJ/mol	NIST
ΔcH°solid	-1949.40 ± 1.80	kJ/mol	NIST
ΔcH°solid	-1853.90 ± 4.20	kJ/mol	NIST
ΔfH°solid	[-1077.50; -929.20]	kJ/mol
ΔfH°solid	Outlier -1077.50 ± 4.40	kJ/mol	NIST
ΔfH°solid	-932.60 ± 4.80	kJ/mol	NIST
ΔfH°solid	-980.40 ± 5.90	kJ/mol	NIST
ΔfH°solid	-982.00 ± 2.10	kJ/mol	NIST
ΔfH°solid	-978.10 ± 1.40	kJ/mol	NIST
ΔfH°solid	-999.00 ± 17.00	kJ/mol	NIST
ΔfH°solid	-980.00 ± 2.00	kJ/mol	NIST
ΔfH°solid	-929.20 ± 4.10	kJ/mol	NIST
ΔfH°solid	-976.60 ± 5.40	kJ/mol	NIST
ΔsubH°	[69.00; 72.00]	kJ/mol
ΔsubH°	69.00 ± 2.00	kJ/mol	NIST
ΔsubH°	72.00 ± 4.20	kJ/mol	NIST
ΔsubH°	70.00 ± 2.00	kJ/mol	NIST
ΔsubH°	71.60 ± 1.70	kJ/mol	NIST
ΔsubH°	69.50	kJ/mol	NIST
IE	[8.10; 8.42]	eV
IE	8.20	eV	NIST
IE	8.24 ± 0.07	eV	NIST
IE	8.10	eV	NIST
IE	8.42 ± 0.03	eV	NIST
IE	8.30 ± 0.05	eV	NIST
IE	8.20	eV	NIST
IE	8.20 ± 0.10	eV	NIST
IE	8.14 ± 0.02	eV	NIST
IE	8.40	eV	NIST
IE	8.40	eV	NIST
IE	8.41	eV	NIST
IE	8.40	eV	NIST
IE	8.40 ± 0.02	eV	NIST
IE	8.40	eV	NIST

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
ΔsubH	[63.30; 71.60]	kJ/mol	[260.00; 365.00]
ΔsubH	71.60 ± 1.70	kJ/mol	260.00	NIST
ΔsubH	65.70	kJ/mol	269.00	NIST
ΔsubH	71.50 ± 0.80	kJ/mol	287.50	NIST
ΔsubH	63.30	kJ/mol	328.00	NIST
ΔsubH	68.50	kJ/mol	355.50	NIST
ΔsubH	68.50 ± 1.10	kJ/mol	357.00	NIST
ΔsubH	63.60	kJ/mol	358.00	NIST
ΔsubH	69.30	kJ/mol	365.00	NIST
ΔvapH	62.50	kJ/mol	366.50	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[0.11; 86.24]	kPa	[309.15; 424.15]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			2.26672e+01
Coefficient B			-7.85221e+03
Coefficient C			7.05000e+00
Temperature range, min.			309.15
Temperature range, max.			424.15
Pvap	0.11	kPa	309.15	Calculated Property
Pvap	0.30	kPa	321.93	Calculated Property
Pvap	0.73	kPa	334.71	Calculated Property
Pvap	1.68	kPa	347.48	Calculated Property
Pvap	3.63	kPa	360.26	Calculated Property
Pvap	7.45	kPa	373.04	Calculated Property
Pvap	14.59	kPa	385.82	Calculated Property
Pvap	27.38	kPa	398.59	Calculated Property
Pvap	49.45	kPa	411.37	Calculated Property
Pvap	86.24	kPa	424.15	Calculated Property

Similar Compounds

Find more compounds similar to Chromium hexacarbonyl.

Sources

• 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.