return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CHBrCF2 (1-Bromo-2,2-difluoroethylene)

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-2845.838070
Energy at 298.15K-2845.842444
HF Energy-2845.064477
Nuclear repulsion energy309.124151
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 MP3=FULL/6-31+G**
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' 3365 3135 16.31      
2 A' 1845 1719 200.17      
3 A' 1388 1294 115.24      
4 A' 1236 1151 139.05      
5 A' 988 920 112.83      
6 A' 781 727 7.08      
7 A' 568 529 4.50      
8 A' 375 349 1.53      
9 A' 165 154 1.82      
10 A" 794 739 44.12      
11 A" 602 560 2.82      
12 A" 224 209 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 6164.5 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 5742.8 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 MP3=FULL/6-31+G**
ABC
0.35364 0.04780 0.04211

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.832 0.000
C2 1.307 0.605 0.000
Br3 -1.265 -0.555 0.000
F4 1.883 -0.579 0.000
F5 2.209 1.575 0.000
H6 -0.379 1.836 0.000

Atom - Atom Distances (Å)
  C1 C2 Br3 F4 F5 H6
C11.32651.87742.35332.33031.0735
C21.32652.82181.31721.32432.0878
Br31.87742.82183.14864.07502.5501
F42.35331.31723.14862.17883.3096
F52.33031.32434.07502.17882.6010
H61.07352.08782.55013.30962.6010

picture of 1-Bromo-2,2-difluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 125.786 C1 C2 F5 123.067
C2 C1 Br3 122.532 C2 C1 H6 120.535
Br3 C1 H6 116.933 F4 C2 F5 111.147
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability