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II.A.1. (XV.A.)

Listing of experimental data for GeF4 (Germanium tetrafluoride)

Other names
tetrafluorogermane; perfluorogermane;
InChI=1S/F4Ge/c1-5(2,3)4 F[Ge](F)(F)F perfluorogermane
State Conformation
1A1 Td
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Hfg(298.15K) enthalpy of formation -1190.20 0.50 kJ mol-1 CODATA
Hfg(0K) enthalpy of formation   0.50 kJ mol-1 CODATA
Entropy (298.15K) entropy 301.90 1.00 J K-1 mol-1 CODATA
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 17.29 0.10 kJ mol-1 CODATA
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency (cm-1) Frequency Reference Intensity (km mol-1) Int. unc. Intensity Reference Comment

vibrational zero-point energy:   cm-1
Calculated vibrational frequencies for GeF4 (Germanium tetrafluoride).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment

Calculated rotational constants for GeF4 (Germanium tetrafluoride).

Product of moments of inertia moments of inertia
amu3Å6   0gm3 cm6

Geometric Data
picture of Germanium tetrafluoride

Point Group Td

Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description Value unc. Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4

Atom x (Å) y (Å) z (Å)

Atom - Atom Distances bond lengths
Distances in Å

Calculated geometries for GeF4 (Germanium tetrafluoride).

Bond descriptions
Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
F-Ge 4

Atom 1 Atom 2
Ge1 F2
Ge1 F3
Ge1 F4
Ge1 F5

Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference
15.500       webbook

Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
For a molecule with Td symmetry there is no dipole.
Electric quadrupole moment quadrupole
For a molecule with Td symmetry there is no quadrupole.

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squib reference DOI
CODATA Cox, J.D.; Wagman, D.D.; Medvedev, V.A.CODATA Key Values for Thermodynamics. Hemisphere, New York, 1989  
webbook NIST Chemistry Webbook (  

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