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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: CCD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCD/3-21G*
 hartrees
Energy at 0K-3155.279231
Energy at 298.15K-3155.283862
HF Energy-3154.781068
Nuclear repulsion energy318.132682
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 CCD/3-21G*
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 3181 3042 5.76      
2 A 1367 1308 15.88      
3 A 1296 1239 65.08      
4 A 1115 1066 95.79      
5 A 751 718 176.78      
6 A 670 640 35.84      
7 A 402 385 1.72      
8 A 300 287 0.85      
9 A 229 219 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 4655.2 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 4452.7 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 CCD/3-21G*
ABC
0.20489 0.06649 0.05189

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.570 0.465 0.428
Br2 -1.209 -0.186 -0.030
Cl3 1.827 -0.706 -0.070
F4 0.801 1.682 -0.205
H5 0.615 0.579 1.508

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.94881.78851.39091.0873
Br21.94883.08072.74922.5054
Cl31.78853.08072.60222.3691
F41.39092.74922.60222.0457
H51.08732.50542.36912.0457

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 110.965 Br2 C1 F4 109.681
Br2 C1 H5 107.824 Cl3 C1 F4 109.222
Cl3 C1 H5 108.458 F4 C1 H5 110.678
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability