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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: MP2/CEP-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/CEP-31G
 hartrees
Energy at 0K-57.907997
Energy at 298.15K-57.912510
HF Energy-57.657162
Nuclear repulsion energy59.271952
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/CEP-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 3212 3104 10.62 101.43 0.21 0.35
2 A 1280 1237 23.43 10.77 0.73 0.84
3 A 1249 1207 77.65 7.57 0.74 0.85
4 A 949 917 167.90 4.21 0.54 0.71
5 A 741 717 175.43 8.93 0.63 0.77
6 A 627 605 41.88 14.12 0.20 0.34
7 A 382 369 2.01 8.27 0.38 0.55
8 A 291 281 1.17 5.24 0.66 0.79
9 A 215 208 0.12 10.22 0.62 0.77

Unscaled Zero Point Vibrational Energy (zpe) 4472.3 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 4321.6 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/CEP-31G
ABC
0.19683 0.06141 0.04835

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.567 0.456 0.444
Br2 -1.252 -0.201 -0.031
Cl3 1.926 -0.699 -0.072
F4 0.782 1.728 -0.209
H5 0.629 0.625 1.531

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.99171.85721.44551.1016
Br21.99173.21722.80862.5808
Cl31.85723.21722.68672.4507
F41.44552.80862.68672.0660
H51.10162.58082.45072.0660

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 113.371 Br2 C1 F4 108.554
Br2 C1 H5 109.712 Cl3 C1 F4 108.232
Cl3 C1 H5 109.160 F4 C1 H5 107.643
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability