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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: QCISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-5277.639319
Energy at 298.15K 
HF Energy-5277.324571
Nuclear repulsion energy467.255251
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 QCISD/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 A' 3204 3087 3.25      
2 A' 1296 1249 17.39      
3 A' 1033 995 126.76      
4 A' 573 552 25.33      
5 A' 322 311 1.14      
6 A' 164 158 0.07      
7 A" 1199 1155 79.38      
8 A" 655 632 151.30      
9 A" 275 265 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 4360.3 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 4201.5 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 QCISD/6-31G
ABC
0.17082 0.03868 0.03225

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.110 0.814 0.000
H2 -1.001 1.440 0.000
F3 1.044 1.634 0.000
Br4 -0.110 -0.300 1.650
Br5 -0.110 -0.300 -1.650

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08871.41641.99141.9914
H21.08872.05492.55852.5585
F31.41642.05492.79282.7928
Br41.99142.55852.79283.3007
Br51.99142.55852.79283.3007

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.528 H2 C1 Br4 108.767
H2 C1 Br5 108.767 F3 C1 Br4 108.907
F3 C1 Br5 108.907 Br4 C1 Br5 111.939
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability