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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-3167.779256
Energy at 298.15K-3167.783960
HF Energy-3167.233442
Nuclear repulsion energy321.217074
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 MP2/6-31G*
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 3233 3049 3.66 72.72 0.27 0.43
2 A 1376 1298 22.54 6.04 0.75 0.86
3 A 1284 1211 81.11 4.84 0.66 0.80
4 A 1134 1069 169.02 1.51 0.73 0.84
5 A 822 775 185.22 4.10 0.64 0.78
6 A 673 635 62.50 10.25 0.15 0.27
7 A 432 408 1.62 4.00 0.29 0.45
8 A 315 297 0.11 3.01 0.52 0.69
9 A 234 221 0.09 4.39 0.52 0.68

Unscaled Zero Point Vibrational Energy (zpe) 4752.1 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 4481.2 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 MP2/6-31G*
ABC
0.21444 0.06697 0.05274

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.580 0.454 0.419
Br2 -1.205 -0.183 -0.029
Cl3 1.823 -0.687 -0.069
F4 0.786 1.643 -0.204
H5 0.617 0.591 1.497

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.94741.75611.35811.0872
Br21.94743.06962.70712.4988
Cl31.75613.06962.55442.3535
F41.35812.70712.55442.0069
H51.08722.49882.35352.0069

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.851 Br2 C1 F4 108.651
Br2 C1 H5 107.448 Cl3 C1 F4 109.554
Cl3 C1 H5 109.473 F4 C1 H5 109.827
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability