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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: MP2=FULL/3-21G*

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/3-21G*
 hartrees
Energy at 0K-5258.148011
Energy at 298.15K 
HF Energy-5257.651295
Nuclear repulsion energy479.015189
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/3-21G*
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' 3206 3039 4.00 72.24 0.27 0.43
2 A' 1361 1290 19.49 7.42 0.75 0.86
3 A' 1101 1044 103.25 2.26 0.75 0.86
4 A' 640 607 24.77 9.55 0.10 0.19
5 A' 348 330 0.85 4.41 0.24 0.39
6 A' 175 165 0.06 3.47 0.51 0.68
7 A" 1258 1192 82.50 5.22 0.75 0.86
8 A" 718 680 178.42 5.19 0.75 0.86
9 A" 282 267 0.42 2.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4543.8 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 4307.5 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/3-21G*
ABC
0.17215 0.04139 0.03413

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.106 0.813 0.000
H2 -1.023 1.395 0.000
F3 1.011 1.646 0.000
Br4 -0.106 -0.301 1.595
Br5 -0.106 -0.301 -1.595

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08591.39301.94611.9461
H21.08592.04932.50252.5025
F31.39302.04932.75382.7538
Br41.94612.50252.75383.1905
Br51.94612.50252.75383.1905

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.914 H2 C1 Br4 107.865
H2 C1 Br5 107.865 F3 C1 Br4 110.016
F3 C1 Br5 110.016 Br4 C1 Br5 110.116
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability