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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: CISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-5283.169522
Energy at 298.15K 
HF Energy-5282.636653
Nuclear repulsion energy483.377911
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 CISD/6-311G*
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' 3287 3041 3.18      
2 A' 1415 1310 25.44      
3 A' 1177 1089 197.92      
4 A' 660 610 24.10      
5 A' 380 351 0.48      
6 A' 181 168 0.01      
7 A" 1294 1197 108.18      
8 A" 771 713 188.45      
9 A" 318 294 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 4741.0 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 4386.9 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 CISD/6-311G*
ABC
0.18690 0.04101 0.03435

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.102 0.777 0.000
H2 -0.999 1.378 0.000
F3 0.969 1.579 0.000
Br4 -0.102 -0.289 1.603
Br5 -0.102 -0.289 -1.603

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.07951.33741.92581.9258
H21.07951.97802.48092.4809
F31.33741.97802.68462.6846
Br41.92582.48092.68463.2069
Br51.92582.48092.68463.2069

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.386 H2 C1 Br4 107.942
H2 C1 Br5 107.942 F3 C1 Br4 109.386
F3 C1 Br5 109.386 Br4 C1 Br5 112.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability