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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: MP4=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP4=FULL/cc-pVTZ
 hartrees
Energy at 0K-3170.905656
Energy at 298.15K-3170.910351
HF Energy-3169.902956
Nuclear repulsion energy322.535129
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 MP4=FULL/cc-pVTZ
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 3177 3059        
2 A 1343 1293        
3 A 1235 1189        
4 A 1107 1066        
5 A 795 765        
6 A 669 644        
7 A 427 411        
8 A 317 306        
9 A 226 218        

Unscaled Zero Point Vibrational Energy (zpe) 4647.7 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 4475.2 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 MP4=FULL/cc-pVTZ
ABC
0.21493 0.06763 0.05313

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.567 0.461 0.412
Br2 -1.198 -0.186 -0.028
Cl3 1.819 -0.685 -0.067
F4 0.776 1.642 -0.202
H5 0.609 0.593 1.482

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.92991.76391.34761.0791
Br21.92993.05802.69562.4801
Cl31.76393.05802.55332.3446
F41.34762.69562.55331.9915
H51.07912.48012.34461.9915

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.685 Br2 C1 F4 109.380
Br2 C1 H5 107.639 Cl3 C1 F4 109.571
Cl3 C1 H5 108.719 F4 C1 H5 109.814
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability