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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-5257.499874
Energy at 298.15K 
HF Energy-5257.211438
Nuclear repulsion energy464.539510
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 MP2/3-21G
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' 3231 3084 7.96 85.77 0.26 0.42
2 A' 1353 1292 19.61 9.45 0.75 0.86
3 A' 1104 1054 127.81 3.04 0.70 0.82
4 A' 585 559 24.36 10.88 0.22 0.36
5 A' 325 310 1.70 6.10 0.30 0.47
6 A' 163 156 0.08 6.64 0.57 0.73
7 A" 1238 1182 96.75 8.68 0.75 0.86
8 A" 691 660 163.94 8.09 0.75 0.86
9 A" 277 264 0.02 3.96 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4483.9 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 4279.9 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 MP2/3-21G
ABC
0.17278 0.03782 0.03168

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.106 0.810 0.000
H2 -1.025 1.384 0.000
F3 1.007 1.645 0.000
Br4 -0.106 -0.301 1.670
Br5 -0.106 -0.301 -1.670

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08351.39112.00562.0056
H21.08352.04802.54402.5440
F31.39112.04802.79512.7951
Br42.00562.54402.79513.3399
Br52.00562.54402.79513.3399

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 111.098 H2 C1 Br4 107.069
H2 C1 Br5 107.069 F3 C1 Br4 109.417
F3 C1 Br5 109.417 Br4 C1 Br5 112.749
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability