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Experimental data for CBr4 (Carbon tetrabromide)

22 02 02 11 45
Other names
Tetrabromomethane; Methane, tetrabromo-; Methane tetrabromide; Carbon bromide; perbromomethane;
INChI INChIKey SMILES IUPAC name
InChI=1S/CBr4/c2-1(3,4)5 HJUGFYREWKUQJT-UHFFFAOYSA-N BrC(Br)(Br)Br perbromomethane
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 120.00 15.00 kJ mol-1 Gurvich
Hfg(0K) enthalpy of formation 150.00 15.00 kJ mol-1 Gurvich
Entropy (298.15K) entropy 358.06   J K-1 mol-1 Gurvich
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 20.36   kJ mol-1 Gurvich
Heat Capacity (298.15K) heat capacity 90.96   J K-1 mol-1 Gurvich
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference
1 A1 267   webbook       sym stretch
2 E 122   webbook       deg. deform
3 T2 672   webbook       deg. stretch
4 T2 182   webbook       deg. deform

vibrational zero-point energy: 1536.5 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for CBr4 (Carbon tetrabromide).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
0.02124 0.02124 0.02124 1995Kuchitsu(II/23) from rg

Calculated rotational constants for CBr4 (Carbon tetrabromide).
Product of moments of inertia moments of inertia
4.999602E+08amu3Å6   2.28930372028262E-111gm3 cm6
Geometric Data
picture of Carbon tetrabromide

Point Group Td

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