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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: QCISD/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 QCISD/6-311G*
 hartrees
Energy at 0K-3170.409684
Energy at 298.15K-3170.414411
HF Energy-3169.775555
Nuclear repulsion energy321.202289
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 QCISD/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 3184 3049 6.85      
2 A 1381 1322 23.75      
3 A 1288 1233 84.82      
4 A 1135 1087 191.25      
5 A 817 782 194.71      
6 A 677 648 49.06      
7 A 436 417 1.18      
8 A 323 310 0.18      
9 A 233 223 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 4737.0 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 4535.2 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 QCISD/6-311G*
ABC
0.21599 0.06665 0.05259

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.573 0.457 0.411
Br2 -1.207 -0.185 -0.028
Cl3 1.833 -0.682 -0.068
F4 0.779 1.638 -0.202
H5 0.618 0.598 1.489

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.94181.76491.34751.0877
Br21.94183.08032.70162.4992
Cl31.76493.08032.55242.3531
F41.34752.70162.55241.9917
H51.08772.49922.35311.9917

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 112.318 Br2 C1 F4 109.095
Br2 C1 H5 107.806 Cl3 C1 F4 109.456
Cl3 C1 H5 108.828 F4 C1 H5 109.284
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability