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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: CCSD(T)/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 CCSD(T)/6-31G*
 hartrees
Energy at 0K-3167.822693
Energy at 298.15K-3167.827364
HF Energy-3167.233031
Nuclear repulsion energy319.940774
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(T)/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 3189 3068        
2 A 1363 1312        
3 A 1266 1218        
4 A 1131 1088        
5 A 807 776        
6 A 659 634        
7 A 426 410        
8 A 311 299        
9 A 230 221        

Unscaled Zero Point Vibrational Energy (zpe) 4690.1 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 4512.4 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 CCSD(T)/6-31G*
ABC
0.21339 0.06634 0.05229

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.583 0.457 0.420
Br2 -1.210 -0.185 -0.029
Cl3 1.833 -0.688 -0.069
F4 0.787 1.647 -0.205
H5 0.620 0.595 1.501

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.95681.76431.35941.0898
Br21.95683.08462.71522.5091
Cl31.76433.08462.56222.3629
F41.35942.71522.56222.0108
H51.08982.50912.36292.0108

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.876 Br2 C1 F4 108.582
Br2 C1 H5 107.446 Cl3 C1 F4 109.536
Cl3 C1 H5 109.483 F4 C1 H5 109.882
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability