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

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-250.768568
Energy at 298.15K-250.773336
HF Energy-250.412531
Nuclear repulsion energy102.589668
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/SDD
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' 3229 3117 14.29      
2 A' 1310 1264 101.96      
3 A' 975 942 224.66      
4 A' 683 659 101.96      
5 A' 496 479 8.41      
6 A' 299 289 0.93      
7 A" 1317 1271 11.19      
8 A" 996 962 213.17      
9 A" 290 280 1.03      

Unscaled Zero Point Vibrational Energy (zpe) 4797.8 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 4631.3 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/SDD
ABC
0.30494 0.08948 0.07229

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.455 -0.914 0.000
H2 -1.542 -1.026 0.000
Br3 0.081 0.995 0.000
F4 0.081 -1.573 1.148
F5 0.081 -1.573 -1.148

Atom - Atom Distances (Å)
  C1 H2 Br3 F4 F5
C11.09321.98261.42731.4273
H21.09322.59202.06132.0613
Br31.98262.59202.81222.8122
F41.42732.06132.81222.2953
F51.42732.06132.81222.2953

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 111.559 H2 C1 F4 109.010
H2 C1 F5 109.010 Br3 C1 F4 110.052
Br3 C1 F5 110.052 F4 C1 F5 107.040
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability