Chemical Properties of Tetraethylgermanium (CAS 597-63-7)

InChI

InChI=1S/C8H20Ge/c1-5-9(6-2,7-3)8-4/h5-8H2,1-4H3

InChI Key

QQXSEZVCKAEYQJ-UHFFFAOYSA-N

Formula

C8H20Ge

SMILES

CC[Ge](CC)(CC)CC

Molecular Weight¹

188.88

CAS

597-63-7

Other Names

• Germane, tetraethyl-
• Tetraethylgermane
• (C2H5)4Ge
• Germanium, tetraethyl-

• ω : Acentric Factor.
• Δ_cH°_liquid : Standard liquid enthalpy of combustion (kJ/mol).
• C_p,liquid : Liquid phase 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°_liquid : Liquid phase enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH : Enthalpy of fusion 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.
• P_c : Critical Pressure (kPa).
• Δ_fusS : Entropy of fusion at a given temperature (J/mol×K).
• S°_liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• T_triple : Triple Point Temperature (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.3018		Relay (1.0) Calculated Property
ΔcH°liquid	[-6356.80; -6341.30]	kJ/mol
ΔcH°liquid	-6342.90 ± 4.20	kJ/mol	NIST
ΔcH°liquid	-6350.50 ± 6.30	kJ/mol	NIST
ΔcH°liquid	-6356.80 ± 3.20	kJ/mol	NIST
ΔcH°liquid	-6341.30 ± 7.10	kJ/mol	NIST
ΔfG°	30.41	kJ/mol	Relay (1.0-beta) Calculated Property
ΔfH°gas	[-164.90; -142.90]	kJ/mol
ΔfH°gas	-142.90 ± 3.90	kJ/mol	NIST
ΔfH°gas	-158.40 ± 7.50	kJ/mol	NIST
ΔfH°gas	-164.90 ± 6.50	kJ/mol	NIST
ΔfH°gas	-156.80 ± 4.80	kJ/mol	NIST
ΔfH°liquid	[-210.60; -188.60]	kJ/mol
ΔfH°liquid	-188.60 ± 3.90	kJ/mol	NIST
ΔfH°liquid	-204.10 ± 7.50	kJ/mol	NIST
ΔfH°liquid	-210.60 ± 6.50	kJ/mol	NIST
ΔfH°liquid	-202.50 ± 4.80	kJ/mol	NIST
ΔvapH°	[45.70; 45.70]	kJ/mol
ΔvapH°	45.70 ± 0.40	kJ/mol	NIST
ΔvapH°	45.70 ± 0.40	kJ/mol	NIST
IE	[8.90; 9.80]	eV
IE	8.90	eV	NIST
IE	9.80	eV	NIST
IE	9.30	eV	NIST
log10WS	-3.26		Relay (1.0) Calculated Property
logPoct/wat	3.515		Crippen Calculated Property
Pc	2515.71	kPa	Relay (1.0-beta) Calculated Property
S°liquid	428.80	J/mol×K	NIST
Tboil	435.40 ± 0.50	K	NIST
Tc	634.90	K	Relay (1.0) Calculated Property
Tfus	180.47 ± 0.20	K	NIST
Ttriple	[179.99; 180.30]	K
Ttriple	179.99 ± 0.02	K	NIST
Ttriple	180.30 ± 0.20	K	NIST
Vc	0.481	m3/kmol	Relay (1.0) Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[294.70; 309.60]	J/mol×K	[298.15; 298.15]
Cp,liquid	294.70	J/mol×K	298.15	NIST
Cp,liquid	309.60	J/mol×K	298.15	NIST
ΔfusH	[12.31; 12.62]	kJ/mol	[179.99; 180.47]
ΔfusH	12.31	kJ/mol	179.99	NIST
ΔfusH	12.62	kJ/mol	180.30	NIST
ΔfusH	12.31	kJ/mol	180.30	NIST
ΔfusH	12.31	kJ/mol	180.30	NIST
ΔfusH	12.41	kJ/mol	180.47	NIST
ΔvapH	[43.40; 46.10]	kJ/mol	[273.00; 386.50]
ΔvapH	43.40	kJ/mol	273.00	NIST
ΔvapH	46.10	kJ/mol	386.50	NIST
ΔfusS	[68.00; 70.00]	J/mol×K	[179.99; 180.47]
ΔfusS	68.00	J/mol×K	179.99	NIST
ΔfusS	70.00	J/mol×K	180.30	NIST
ΔfusS	68.74	J/mol×K	180.47	NIST

Similar Compounds

Find more compounds similar to Tetraethylgermanium.

Sources

• Cheméo Relay (1.0)
• Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
• Crippen Method
• Crippen Method
• NIST Webbook

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