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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-2708.769619
Energy at 298.15K-2708.775078
HF Energy-2708.341185
Nuclear repulsion energy164.303147
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 MP3/6-31G*
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' 3183 2987 15.57      
2 A' 1564 1468 0.35      
3 A' 1391 1306 71.59      
4 A' 1153 1082 159.93      
5 A' 657 616 59.96      
6 A' 315 296 0.60      
7 A" 3268 3068 8.01      
8 A" 1287 1208 3.02      
9 A" 971 912 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 6894.9 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 6471.5 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 MP3/6-31G*
ABC
1.32492 0.12374 0.11574

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.520 -1.125 0.000
F2 -0.590 -1.917 0.000
Br3 0.000 0.760 0.000
H4 1.096 -1.296 0.906
H5 1.096 -1.296 -0.906

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.36351.95471.08751.0875
F21.36352.74112.01232.0123
Br31.95472.74112.50002.5000
H41.08752.01232.50001.8116
H51.08752.01232.50001.8116

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 110.120 F2 C1 H4 109.866
F2 C1 H5 109.866 Br3 C1 H4 107.049
Br3 C1 H5 107.049 H4 C1 H5 112.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability