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All results from a given calculation for CHBrF2 (Methane, bromodifluoro-)

using model chemistry: MP4/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/aug-cc-pVTZ
 hartrees
Energy at 0K-2810.844362
Energy at 298.15K 
HF Energy-2809.873784
Nuclear repulsion energy258.228041
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 MP4/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3146 3061        
2 A' 1306 1271        
3 A' 1099 1070        
4 A' 726 706        
5 A' 573 557        
6 A' 324 316        
7 A" 1361 1324        
8 A" 1125 1095        
9 A" 313 305        

Unscaled Zero Point Vibrational Energy (zpe) 4986.0 cm-1
Scaled (by 0.9732) Zero Point Vibrational Energy (zpe) 4852.4 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 MP4/aug-cc-pVTZ
ABC
0.33718 0.09635 0.07830

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.428 -0.903 0.000
H2 -1.513 -0.976 0.000
Br3 0.077 0.960 0.000
F4 0.077 -1.511 1.090
F5 0.077 -1.511 -1.090

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.08781.92941.34671.3467
H21.08782.50462.00102.0010
Br31.92942.50462.70032.7003
F41.34672.00102.70032.1807
F51.34672.00102.70032.1807

picture of Methane, bromodifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 109.014 H2 C1 F4 110.105
H2 C1 F5 110.105 Br3 C1 F4 109.742
Br3 C1 F5 109.742 F4 C1 F5 108.122
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability