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

using model chemistry: MP4/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-2807.818224
Energy at 298.15K-2807.823147
HF Energy-2807.197796
Nuclear repulsion energy255.951818
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 MP4/6-31G*
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' 3174 3030        
2 A' 1326 1266        
3 A' 1128 1077        
4 A' 710 678        
5 A' 565 540        
6 A' 313 299        
7 A" 1406 1342        
8 A" 1180 1127        
9 A" 311 297        

Unscaled Zero Point Vibrational Energy (zpe) 5056.4 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 4827.9 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 MP4/6-31G*
ABC
0.33259 0.09454 0.07691

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.433 -0.922 0.000
H2 -1.523 -0.987 0.000
Br3 0.078 0.969 0.000
F4 0.078 -1.523 1.098
F5 0.078 -1.523 -1.098

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.09201.95861.35161.3516
H21.09202.52792.01332.0133
Br31.95862.52792.72282.7228
F41.35162.01332.72282.1954
F51.35162.01332.72282.1954

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 108.565 H2 C1 F4 110.506
H2 C1 F5 110.506 Br3 C1 F4 109.313
Br3 C1 F5 109.313 F4 C1 F5 108.617
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability