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All results from a given calculation for CHFClBr (fluorochlorobromomethane)

using model chemistry: QCISD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-3170.378760
Energy at 298.15K-3170.383464
HF Energy-3169.759013
Nuclear repulsion energy320.035237
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3186 3056 6.99      
2 A 1346 1292 22.86      
3 A 1243 1192 81.23      
4 A 1137 1091 191.66      
5 A 803 770 183.91      
6 A 669 642 47.59      
7 A 429 412 1.23      
8 A 319 306 0.10      
9 A 229 219 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 4679.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 4489.8 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/cc-pVDZ
ABC
0.21303 0.06638 0.05226

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.573 0.464 0.413
Br2 -1.209 -0.187 -0.028
Cl3 1.837 -0.687 -0.068
F4 0.781 1.649 -0.204
H5 0.616 0.596 1.502

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 H5
C11.94761.77581.35151.0978
Br21.94763.08662.71312.5065
Cl31.77583.08662.56702.3667
F41.35152.71312.56702.0107
H51.09782.50652.36672.0107

picture of fluorochlorobromomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 111.907 Br2 C1 F4 109.313
Br2 C1 H5 107.474 Cl3 C1 F4 109.595
Cl3 C1 H5 108.590 F4 C1 H5 109.927
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability