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All results from a given calculation for CHBr2F (dibromofluoromethane)

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-5278.185435
Energy at 298.15K 
HF Energy-5277.639396
Nuclear repulsion energy480.319358
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' 3252 3053 1.21      
2 A' 1369 1285 22.50      
3 A' 1162 1091 160.01      
4 A' 632 593 23.29      
5 A' 359 337 0.44      
6 A' 180 169 0.02      
7 A" 1241 1165 90.14      
8 A" 725 680 164.11      
9 A" 301 283 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 4610.5 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 4327.4 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 MP3/6-31G*
ABC
0.18194 0.04077 0.03405

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 -0.104 0.799 0.000
H2 -1.005 1.403 0.000
F3 0.991 1.591 0.000
Br4 -0.104 -0.293 1.608
Br5 -0.104 -0.293 -1.608

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08501.35151.94341.9434
H21.08502.00522.50462.5046
F31.35152.00522.70792.7079
Br41.94342.50462.70793.2154
Br51.94342.50462.70793.2154

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.294 H2 C1 Br4 108.227
H2 C1 Br5 108.227 F3 C1 Br4 109.223
F3 C1 Br5 109.223 Br4 C1 Br5 111.636
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability