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All results from a given calculation for CHBr3 (bromoform)

using model chemistry: CCD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at CCD/6-31G
 hartrees
Energy at 0K-7747.909958
Energy at 298.15K-7747.919618
HF Energy-7747.679902
Nuclear repulsion energy784.406539
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCD/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3232 3101 0.03      
2 A1 502 481 1.33      
3 A1 213 204 0.02      
4 E 1192 1143 25.53      
4 E 1192 1143 25.53      
5 E 631 606 64.21      
5 E 631 606 64.21      
6 E 149 143 0.06      
6 E 149 143 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 3944.8 cm-1
Scaled (by 0.9595) Zero Point Vibrational Energy (zpe) 3785.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCD/6-31G
ABC
0.03896 0.03896 0.01980

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.554
H2 0.000 0.000 1.641
Br3 0.000 1.896 -0.047
Br4 1.642 -0.948 -0.047
Br5 -1.642 -0.948 -0.047

Atom - Atom Distances (Å)
  C1 H2 Br3 Br4 Br5
C11.08721.98951.98951.9895
H21.08722.53922.53922.5392
Br31.98952.53923.28483.2848
Br41.98952.53923.28483.2848
Br51.98952.53923.28483.2848

picture of bromoform state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 107.589 H2 C1 Br4 107.589
H2 C1 Br5 107.589 Br3 C1 Br4 111.286
Br3 C1 Br5 111.286 Br4 C1 Br5 111.286
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability