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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: CCSD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-3168.179524
Energy at 298.15K-3168.184269
HF Energy-3167.429279
Nuclear repulsion energy324.569347
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 CCSD/6-31G(2df,p)
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 3204 3029 1.95      
2 A 1378 1303 16.06      
3 A 1268 1199 66.45      
4 A 1167 1104 149.18      
5 A 820 775 171.35      
6 A 693 656 32.72      
7 A 434 411 0.81      
8 A 330 312 0.36      
9 A 232 220 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 4763.2 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 4503.6 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 CCSD/6-31G(2df,p)
ABC
0.21765 0.06847 0.05383

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.550 0.463 0.414
Br2 -1.187 -0.190 -0.028
Cl3 1.818 -0.672 -0.067
F4 0.749 1.632 -0.204
H5 0.609 0.598 1.490

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.90801.76841.33781.0860
Br21.90803.04372.66482.4802
Cl31.76843.04372.54402.3453
F41.33782.66482.54401.9902
H51.08602.48022.34531.9902

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.713 Br2 C1 F4 109.108
Br2 C1 H5 108.743 Cl3 C1 F4 109.190
Cl3 C1 H5 108.110 F4 C1 H5 109.962
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability