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

using model chemistry: MP2=FULL/STO-3G

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/STO-3G
 hartrees
Energy at 0K-2778.823062
Energy at 298.15K-2778.827892
HF Energy-2778.723481
Nuclear repulsion energy250.977508
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/STO-3G
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' 3298 2932 15.62      
2 A' 1403 1247 106.43      
3 A' 1203 1069 72.71      
4 A' 769 684 57.10      
5 A' 552 491 10.02      
6 A' 341 303 0.42      
7 A" 1493 1327 43.31      
8 A" 1278 1136 32.27      
9 A" 317 282 2.66      

Unscaled Zero Point Vibrational Energy (zpe) 5326.6 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 4734.8 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/STO-3G
ABC
0.31759 0.09100 0.07380

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.426 -0.921 0.000
H2 -1.556 -0.975 0.000
Br3 0.078 0.987 0.000
F4 0.078 -1.558 1.125
F5 0.078 -1.558 -1.125

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.13091.97331.38831.3883
H21.13092.55342.06772.0677
Br31.97332.55342.78322.7832
F41.38832.06772.78322.2508
F51.38832.06772.78322.2508

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 107.562 H2 C1 F4 109.910
H2 C1 F5 109.910 Br3 C1 F4 110.569
Br3 C1 F5 110.569 F4 C1 F5 108.322
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability