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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: CID/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CID/3-21G*
 hartrees
Energy at 0K-3155.217905
Energy at 298.15K-3155.222597
HF Energy-3154.781788
Nuclear repulsion energy319.910015
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 CID/3-21G*
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 3273 3046 4.55      
2 A 1402 1305 17.15      
3 A 1332 1239 72.06      
4 A 1147 1068 108.11      
5 A 779 725 196.09      
6 A 690 642 37.04      
7 A 415 386 1.78      
8 A 310 288 1.03      
9 A 236 220 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 4791.9 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 4458.9 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 CID/3-21G*
ABC
0.20771 0.06714 0.05245

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.566 0.460 0.425
Br2 -1.203 -0.185 -0.030
Cl3 1.820 -0.700 -0.070
F4 0.795 1.671 -0.203
H5 0.612 0.577 1.498

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.93671.77861.38361.0799
Br21.93673.06632.73262.4914
Cl31.77863.06632.58642.3553
F41.38362.73262.58642.0310
H51.07992.49142.35532.0310

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.167 Br2 C1 F4 109.646
Br2 C1 H5 107.964 Cl3 C1 F4 109.114
Cl3 C1 H5 108.478 F4 C1 H5 110.461
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability