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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: CCD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-3167.841171
Energy at 298.15K-3167.845898
HF Energy-3167.257627
Nuclear repulsion energy321.369359
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/6-31+G**
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 3250 3063 1.15      
2 A 1367 1288 20.31      
3 A 1296 1222 80.39      
4 A 1111 1046 182.03      
5 A 839 791 168.09      
6 A 676 637 48.65      
7 A 435 410 1.69      
8 A 322 303 0.58      
9 A 232 219 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 4764.2 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 4489.3 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/6-31+G**
ABC
0.21649 0.06672 0.05269

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.573 0.441 0.419
Br2 -1.206 -0.184 -0.029
Cl3 1.831 -0.680 -0.069
F4 0.781 1.639 -0.202
H5 0.614 0.591 1.491

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.93831.75381.36551.0834
Br21.93833.07732.70202.4949
Cl31.75383.07732.54922.3519
F41.36552.70202.54921.9983
H51.08342.49492.35191.9983

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 112.818 Br2 C1 F4 108.491
Br2 C1 H5 107.943 Cl3 C1 F4 108.979
Cl3 C1 H5 109.708 F4 C1 H5 108.822
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability