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All results from a given calculation for CBrClF2 (Methane, bromochlorodifluoro-)

using model chemistry: CISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-3266.715037
Energy at 298.15K-3266.719161
HF Energy-3266.088664
Nuclear repulsion energy443.304054
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 CISD/6-31G*
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' 1209 1120 306.77      
2 A' 949 879 407.53      
3 A' 673 623 15.19      
4 A' 467 432 0.67      
5 A' 351 325 0.05      
6 A' 233 215 0.03      
7 A" 1292 1196 204.02      
8 A" 427 396 0.73      
9 A" 311 288 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 2956.1 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 2736.7 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 CISD/6-31G*
ABC
0.12960 0.05660 0.04955

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.029 0.672 0.000
Br2 0.544 -1.189 0.000
Cl3 -1.707 0.875 0.000
F4 0.544 1.260 1.074
F5 0.544 1.260 -1.074

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 F5
C11.93071.74811.32871.3287
Br21.93073.05442.67412.6741
Cl31.74813.05442.52422.5242
F41.32872.67412.52422.1483
F51.32872.67412.52422.1483

picture of Methane, bromochlorodifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 Cl3 112.164 Br2 C1 F4 108.852
Br2 C1 F5 108.852 Cl3 C1 F4 109.496
Cl3 C1 F5 109.496 F4 C1 F5 107.882
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability