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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: MP2=FULL/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=FULL/6-31G**
 hartrees
Energy at 0K-3167.832201
Energy at 298.15K-3167.836920
HF Energy-3167.235458
Nuclear repulsion energy321.794471
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=FULL/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 3248 3035 4.88 73.15 0.27 0.42
2 A 1374 1284 23.10 5.86 0.75 0.86
3 A 1283 1199 83.44 4.59 0.66 0.80
4 A 1138 1063 168.36 1.49 0.74 0.85
5 A 824 770 184.93 4.05 0.65 0.79
6 A 675 631 59.86 10.00 0.15 0.26
7 A 433 405 1.57 3.93 0.29 0.45
8 A 317 296 0.11 2.98 0.52 0.69
9 A 235 220 0.09 4.34 0.52 0.68

Unscaled Zero Point Vibrational Energy (zpe) 4763.4 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 4450.9 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=FULL/6-31G**
ABC
0.21498 0.06723 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 0.578 0.453 0.416
Br2 -1.202 -0.183 -0.029
Cl3 1.820 -0.686 -0.069
F4 0.784 1.642 -0.202
H5 0.613 0.586 1.491

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.94251.75361.35601.0833
Br21.94253.06412.70342.4888
Cl31.75363.06412.55162.3470
F41.35602.70342.55162.0029
H51.08332.48882.34702.0029

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.898 Br2 C1 F4 108.789
Br2 C1 H5 107.241 Cl3 C1 F4 109.623
Cl3 C1 H5 109.368 F4 C1 H5 109.883
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability