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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: CISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-3170.323426
Energy at 298.15K-3170.328223
HF Energy-3169.776205
Nuclear repulsion energy323.244810
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 CISD/6-311G*
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 3287 3042 5.85      
2 A 1428 1321 26.36      
3 A 1331 1232 94.56      
4 A 1185 1097 206.40      
5 A 849 786 209.49      
6 A 702 649 49.41      
7 A 451 417 1.31      
8 A 336 311 0.27      
9 A 240 222 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 4904.6 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 4538.2 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 CISD/6-311G*
ABC
0.21918 0.06741 0.05322

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.567 0.455 0.408
Br2 -1.199 -0.185 -0.028
Cl3 1.824 -0.676 -0.067
F4 0.772 1.627 -0.201
H5 0.614 0.596 1.477

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.92871.75631.33601.0797
Br21.92873.06362.68272.4822
Cl31.75633.06362.53542.3380
F41.33602.68272.53541.9756
H51.07972.48222.33801.9756

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 112.395 Br2 C1 F4 109.169
Br2 C1 H5 107.835 Cl3 C1 F4 109.404
Cl3 C1 H5 108.703 F4 C1 H5 109.281
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability