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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

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 C1 1A
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-3154.750344
Energy at 298.15K-3154.754837
HF Energy-3154.450953
Nuclear repulsion energy308.825048
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 3246 3098 5.42 81.54 0.26 0.41
2 A 1357 1296 24.80 8.66 0.75 0.86
3 A 1249 1192 84.62 8.28 0.75 0.86
4 A 1123 1072 136.41 2.67 0.73 0.84
5 A 691 660 195.55 10.06 0.66 0.80
6 A 615 587 36.68 12.78 0.18 0.30
7 A 360 343 3.77 7.86 0.31 0.48
8 A 292 279 0.09 4.43 0.72 0.84
9 A 206 196 0.61 8.03 0.59 0.75

Unscaled Zero Point Vibrational Energy (zpe) 4568.7 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 4360.9 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
0.19678 0.06172 0.04849

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.549 0.514 0.433
Br2 -1.247 -0.206 -0.030
Cl3 1.928 -0.702 -0.067
F4 0.773 1.716 -0.212
H5 0.624 0.610 1.509

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.99031.90521.38261.0825
Br21.99033.21382.79442.5561
Cl31.90523.21382.68412.4305
F41.38262.79442.68412.0516
H51.08252.55612.43052.0516

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.159 Br2 C1 F4 110.591
Br2 C1 H5 108.970 Cl3 C1 F4 108.398
Cl3 C1 H5 105.549 F4 C1 H5 112.082
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability