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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: CCD/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 CCD/6-31G**
 hartrees
Energy at 0K-3167.810831
Energy at 298.15K-3167.815557
HF Energy-3167.235438
Nuclear repulsion energy321.206292
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/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 3247 3045 5.78      
2 A 1386 1300 24.85      
3 A 1291 1210 83.77      
4 A 1160 1088 163.12      
5 A 834 782 165.48      
6 A 675 633 51.11      
7 A 434 407 1.71      
8 A 318 298 0.25      
9 A 234 220 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 4790.2 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 4491.3 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/6-31G**
ABC
0.21507 0.06684 0.05268

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.580 0.454 0.417
Br2 -1.206 -0.184 -0.028
Cl3 1.826 -0.686 -0.069
F4 0.784 1.641 -0.203
H5 0.615 0.589 1.491

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.94751.75741.35451.0833
Br21.94753.07332.70592.4941
Cl31.75743.07332.55292.3503
F41.35452.70592.55292.0012
H51.08332.49412.35032.0012

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.999 Br2 C1 F4 108.732
Br2 C1 H5 107.295 Cl3 C1 F4 109.564
Cl3 C1 H5 109.358 F4 C1 H5 109.853
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability