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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: G3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at G3
 hartrees
Energy at 0K-3172.078966
Energy at 298.15K-3172.073680
HF Energy-3169.450228
Nuclear repulsion energy323.671596
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 HF/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 3408 3211 5.39 76.68 0.28 0.43
2 A 1485 1399 31.55 5.28 0.73 0.84
3 A 1376 1296 114.80 4.24 0.62 0.76
4 A 1248 1176 203.00 2.91 0.73 0.84
5 A 872 822 220.50 8.97 0.66 0.80
6 A 715 673 62.18 16.15 0.16 0.28
7 A 461 434 1.83 4.69 0.25 0.40
8 A 341 321 0.19 3.18 0.49 0.66
9 A 248 234 0.13 4.38 0.49 0.66

Unscaled Zero Point Vibrational Energy (zpe) 5076.5 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 4783.1 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/6-31G*
ABC
0.21489 0.06721 0.05291

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.579 0.453 0.418
Br2 -1.202 -0.183 -0.029
Cl3 1.820 -0.686 -0.069
F4 0.784 1.641 -0.204
H5 0.615 0.591 1.496

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.94351.75411.35671.0869
Br21.94353.06422.70322.4952
Cl31.75413.06422.55142.3518
F41.35672.70322.55142.0054
H51.08692.49522.35182.0054

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 112.445 Br2 C1 F4 108.973
Br2 C1 H5 107.738 Cl3 C1 F4 109.241
Cl3 C1 H5 108.793 F4 C1 H5 109.614
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability