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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: QCISD/TZVP

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/TZVP
 hartrees
Energy at 0K-3170.571932
Energy at 298.15K-3170.576650
HF Energy-3169.837257
Nuclear repulsion energy320.656692
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/TZVP
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 3211 3067 3.31      
2 A 1375 1314 23.78      
3 A 1275 1218 90.31      
4 A 1126 1076 197.75      
5 A 809 773 181.01      
6 A 672 642 48.67      
7 A 434 414 1.23      
8 A 322 307 0.18      
9 A 228 218 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 4725.8 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 4514.5 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/TZVP
ABC
0.21526 0.06638 0.05238

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.571 0.459 0.412
Br2 -1.208 -0.187 -0.028
Cl3 1.839 -0.682 -0.067
F4 0.777 1.642 -0.202
H5 0.612 0.598 1.485

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.94311.77231.34831.0833
Br21.94313.08762.70462.4944
Cl31.77233.08762.55852.3568
F41.34832.70462.55851.9911
H51.08332.49442.35681.9911

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 112.331 Br2 C1 F4 109.178
Br2 C1 H5 107.599 Cl3 C1 F4 109.391
Cl3 C1 H5 108.840 F4 C1 H5 109.453
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability