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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: QCISD/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-3170.789751
Energy at 298.15K-3170.794482
HF Energy-3169.906182
Nuclear repulsion energy323.176876
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/aug-cc-pVTZ
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 3070 0.34      
2 A 1354 1303 12.62      
3 A 1259 1211 63.90      
4 A 1125 1083 169.85      
5 A 814 784 171.28      
6 A 684 659 37.44      
7 A 433 417 0.74      
8 A 323 310 0.27      
9 A 230 221 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 4705.1 cm-1
Scaled (by 0.9624) Zero Point Vibrational Energy (zpe) 4528.2 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/aug-cc-pVTZ
ABC
0.21606 0.06786 0.05335

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.562 0.458 0.413
Br2 -1.195 -0.186 -0.028
Cl3 1.818 -0.681 -0.067
F4 0.770 1.638 -0.202
H5 0.608 0.595 1.486

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.92291.76251.34691.0826
Br21.92293.05372.68692.4804
Cl31.76253.05372.54852.3463
F41.34692.68692.54851.9916
H51.08262.48042.34631.9916

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.836 Br2 C1 F4 109.255
Br2 C1 H5 107.947 Cl3 C1 F4 109.367
Cl3 C1 H5 108.756 F4 C1 H5 109.650
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability