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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-3267.222374
Energy at 298.15K-3267.226449
HF Energy-3266.288707
Nuclear repulsion energy445.468436
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 MP2/6-31G(2df,p)
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' 1149 1085 255.82      
2 A' 899 849 367.42      
3 A' 660 624 11.23      
4 A' 451 426 0.19      
5 A' 357 337 0.05      
6 A' 222 210 0.02      
7 A" 1227 1159 162.56      
8 A" 416 393 0.23      
9 A" 303 286 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2842.2 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 2684.5 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 MP2/6-31G(2df,p)
ABC
0.12943 0.05745 0.05017

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.042 0.661 0.000
Br2 0.544 -1.175 0.000
Cl3 -1.710 0.859 0.000
F4 0.544 1.253 1.074
F5 0.544 1.253 -1.074

Atom - Atom Distances (Å)
  C1 Br2 Cl3 F4 F5
C11.90251.76351.32521.3252
Br21.90253.03582.65442.6544
Cl31.76353.03582.52772.5277
F41.32522.65442.52772.1485
F51.32522.65442.52772.1485

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 111.746 Br2 C1 F4 109.341
Br2 C1 F5 109.341 Cl3 C1 F4 109.016
Cl3 C1 F5 109.016 F4 C1 F5 108.315
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability