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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: MP2/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 MP2/aug-cc-pVTZ
 hartrees
Energy at 0K-5283.746408
Energy at 298.15K 
HF Energy-5282.846056
Nuclear repulsion energy485.746714
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/aug-cc-pVTZ
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' 3191 3040 0.07 70.70 0.18 0.31
2 A' 1329 1266 10.87 3.95 0.38 0.55
3 A' 1094 1043 165.79 2.94 0.56 0.71
4 A' 646 616 20.01 12.21 0.05 0.09
5 A' 369 352 0.21 5.05 0.10 0.18
6 A' 177 168 0.01 2.28 0.35 0.52
7 A" 1218 1161 71.03 1.36 0.75 0.86
8 A" 747 712 167.11 3.84 0.75 0.86
9 A" 303 289 0.14 1.46 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4537.1 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 4323.4 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 MP2/aug-cc-pVTZ
ABC
0.18467 0.04180 0.03484

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.103 0.780 0.000
H2 -1.004 1.381 0.000
F3 0.981 1.586 0.000
Br4 -0.103 -0.290 1.588
Br5 -0.103 -0.290 -1.588

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08331.35121.91461.9146
H21.08331.99562.47532.4753
F31.35121.99562.68642.6864
Br41.91462.47532.68643.1755
Br51.91462.47532.68643.1755

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.625 H2 C1 Br4 108.082
H2 C1 Br5 108.082 F3 C1 Br4 109.480
F3 C1 Br5 109.480 Br4 C1 Br5 112.050
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability