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

using model chemistry: MP2=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/3-21G*
 hartrees
Energy at 0K-2698.322938
Energy at 298.15K-2698.328377
HF Energy-2697.969632
Nuclear repulsion energy162.370457
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 MP2=FULL/3-21G*
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' 3154 2990 18.35      
2 A' 1598 1515 0.97      
3 A' 1408 1334 66.43      
4 A' 1091 1034 98.53      
5 A' 654 620 62.71      
6 A' 298 283 1.00      
7 A" 3230 3062 12.43      
8 A" 1278 1212 1.67      
9 A" 985 934 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 6848.0 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 6491.9 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 MP2=FULL/3-21G*
ABC
1.29325 0.12044 0.11259

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.529 -1.121 0.000
F2 -0.600 -1.956 0.000
Br3 0.000 0.768 0.000
H4 1.116 -1.277 0.902
H5 1.116 -1.277 -0.902

Atom - Atom Distances (Å)
  C1 F2 Br3 H4 H5
C11.40451.96111.08741.0874
F21.40452.78932.05442.0544
Br31.96112.78932.49782.4978
H41.08742.05442.49781.8036
H51.08742.05442.49781.8036

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 110.857 F2 C1 H4 110.413
F2 C1 H5 110.413 Br3 C1 H4 106.487
Br3 C1 H5 106.487 H4 C1 H5 112.054
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability