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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-7748.593590
Energy at 298.15K-7748.603397
HF Energy-7748.091922
Nuclear repulsion energy803.672847
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 3244 3070 2.21      
2 A1 546 517 1.31      
3 A1 229 216 0.02      
4 E 1206 1141 32.65      
4 E 1206 1141 32.65      
5 E 686 650 71.13      
5 E 686 650 71.14      
6 E 163 154 0.02      
6 E 163 154 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 4064.3 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 3846.9 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
0.04092 0.04092 0.02080

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 0.541
H2 0.000 0.000 1.627
Br3 0.000 1.857 -0.046
Br4 1.608 -0.928 -0.046
Br5 -1.608 -0.928 -0.046

Atom - Atom Distances (Å)
  C1 H2 Br3 Br4 Br5
C11.08611.94751.94751.9475
H21.08612.49982.49982.4998
Br31.94752.49983.21583.2158
Br41.94752.49983.21583.2158
Br51.94752.49983.21583.2158

picture of bromoform state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 107.567 H2 C1 Br4 107.567
H2 C1 Br5 107.567 Br3 C1 Br4 111.306
Br3 C1 Br5 111.306 Br4 C1 Br5 111.306
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability