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All results from a given calculation for CHBr3 (bromoform)

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-7748.519308
Energy at 298.15K-7748.529178
HF Energy-7748.092348
Nuclear repulsion energy807.768575
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 CID/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 3328 3074 3.07      
2 A1 561 518 1.42      
3 A1 235 217 0.02      
4 E 1242 1147 36.68      
4 E 1242 1147 36.68      
5 E 712 658 77.48      
5 E 712 658 77.48      
6 E 168 155 0.02      
6 E 168 155 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 4182.9 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 3863.7 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 CID/6-31G*
ABC
0.04133 0.04133 0.02101

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.538
H2 0.000 0.000 1.617
Br3 0.000 1.841 -0.046
Br4 1.594 -0.921 -0.046
Br5 -1.594 -0.921 -0.046

Atom - Atom Distances (Å)
  C1 H2 Br3 Br4 Br5
C11.07841.93171.93171.9317
H21.07842.48102.48102.4810
Br31.93172.48103.18893.1889
Br41.93172.48103.18893.1889
Br51.93172.48103.18893.1889

picture of bromoform state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 107.616 H2 C1 Br4 107.616
H2 C1 Br5 107.616 Br3 C1 Br4 111.261
Br3 C1 Br5 111.261 Br4 C1 Br5 111.261
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability