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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: MP4/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-3167.825474
Energy at 298.15K-3167.830136
HF Energy-3167.232793
Nuclear repulsion energy319.636240
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 MP4/6-31G*
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 3182 3038        
2 A 1358 1297        
3 A 1263 1206        
4 A 1117 1067        
5 A 803 766        
6 A 657 627        
7 A 424 404        
8 A 309 295        
9 A 229 219        

Unscaled Zero Point Vibrational Energy (zpe) 4670.5 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 4459.4 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 MP4/6-31G*
ABC
0.21271 0.06626 0.05220

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.584 0.457 0.421
Br2 -1.211 -0.185 -0.029
Cl3 1.834 -0.689 -0.069
F4 0.788 1.650 -0.205
H5 0.620 0.595 1.502

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.95841.76561.36211.0908
Br21.95843.08642.71842.5108
Cl31.76563.08642.56592.3652
F41.36212.71842.56592.0140
H51.09082.51082.36522.0140

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.846 Br2 C1 F4 108.573
Br2 C1 H5 107.415 Cl3 C1 F4 109.570
Cl3 C1 H5 109.511 F4 C1 H5 109.891
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability