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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: MP2/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-3170.896692
Energy at 298.15K-3170.901420
HF Energy-3169.921802
Nuclear repulsion energy324.818766
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/aug-cc-pVQZ
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 3191 3030 0.07 72.06 0.18 0.31
2 A 1341 1274 10.12 3.34 0.47 0.64
3 A 1246 1183 59.43 1.96 0.36 0.53
4 A 1097 1042 172.86 2.12 0.69 0.82
5 A 816 775 183.93 3.19 0.64 0.78
6 A 689 654 41.25 12.94 0.07 0.12
7 A 435 413 0.66 4.23 0.13 0.24
8 A 323 307 0.18 2.17 0.43 0.60
9 A 231 220 0.01 2.47 0.39 0.56

Unscaled Zero Point Vibrational Energy (zpe) 4684.6 cm-1
Scaled (by 0.9497) Zero Point Vibrational Energy (zpe) 4449.0 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/aug-cc-pVQZ
ABC
0.21673 0.06880 0.05396

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVQZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.558 0.454 0.412
Br2 -1.187 -0.185 -0.029
Cl3 1.804 -0.681 -0.067
F4 0.768 1.636 -0.201
H5 0.604 0.589 1.485

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.91001.75211.34781.0827
Br21.91003.03222.67742.4689
Cl31.75213.03222.54162.3375
F41.34782.67742.54161.9913
H51.08272.46892.33751.9913

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.715 Br2 C1 F4 109.330
Br2 C1 H5 107.961 Cl3 C1 F4 109.460
Cl3 C1 H5 108.790 F4 C1 H5 109.551
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability