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All results from a given calculation for CH2BrF (Methane, bromofluoro-)

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G2
 hartrees
Energy at 0K-2711.539288
Energy at 298.15K-2711.534832
HF Energy-2708.342010
Nuclear repulsion energy165.968241
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 HF/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' 3329 3137 25.65      
2 A' 1661 1565 1.35      
3 A' 1490 1404 109.18      
4 A' 1224 1153 207.42      
5 A' 688 649 87.64      
6 A' 335 316 0.53      
7 A" 3418 3220 11.50      
8 A" 1380 1300 4.88      
9 A" 1033 974 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 7279.1 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 6858.4 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 MP2=FULL/6-31G*
ABC
1.32578 0.12414 0.11610

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.520 -1.118 0.000
F2 -0.590 -1.916 0.000
Br3 0.000 0.758 0.000
H4 1.097 -1.288 0.906
H5 1.097 -1.288 -0.906

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.36701.94691.08761.0876
F21.36702.73892.01542.0154
Br31.94692.73892.49202.4920
H41.08762.01542.49201.8119
H51.08762.01542.49201.8119

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 110.231 F2 C1 H4 109.893
F2 C1 H5 109.893 Br3 C1 H4 107.050
Br3 C1 H5 107.050 H4 C1 H5 112.642
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability