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 CH2BrF (Methane, bromofluoro-)

using model chemistry: CCSD=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-2709.190440
Energy at 298.15K-2709.195957
HF Energy-2708.531961
Nuclear repulsion energy167.846243
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 CCSD=FULL/6-31G(2df,p)
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' 3150 2966 16.89      
2 A' 1549 1458 0.08      
3 A' 1399 1317 49.79      
4 A' 1158 1090 144.06      
5 A' 703 662 48.47      
6 A' 334 315 0.85      
7 A" 3221 3033 6.94      
8 A" 1305 1229 2.57      
9 A" 988 930 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 6902.2 cm-1
Scaled (by 0.9416) Zero Point Vibrational Energy (zpe) 6499.1 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 CCSD=FULL/6-31G(2df,p)
ABC
1.35455 0.12976 0.12117

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.511 -1.087 0.000
F2 -0.584 -1.875 0.000
Br3 0.000 0.741 0.000
H4 1.097 -1.275 0.895
H5 1.097 -1.275 -0.895

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.34891.89841.08651.0865
F21.34892.68091.99701.9970
Br31.89842.68092.46342.4634
H41.08651.99702.46341.7906
H51.08651.99702.46341.7906

picture of Methane, bromofluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Br3 110.145 F2 C1 H4 109.705
F2 C1 H5 109.705 Br3 C1 H4 108.137
Br3 C1 H5 108.137 H4 C1 H5 110.984
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability