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All results from a given calculation for CBr2ClF (dibromochlorofluoromethane)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G4
 hartrees
Energy at 0K-32093.797088
Energy at 298.15K-32093.790336
HF Energy-5745.867980
Nuclear repulsion energy727.826089
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 B3LYP/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' 1115 1076 143.09 1.92 0.46 0.63
2 A' 766 739 217.91 3.74 0.70 0.82
3 A' 458 442 1.13 9.42 0.02 0.05
4 A' 342 330 0.21 2.71 0.47 0.64
5 A' 266 256 0.17 6.44 0.15 0.26
6 A' 163 157 0.04 2.19 0.61 0.76
7 A" 741 715 219.73 3.63 0.75 0.86
8 A" 312 301 0.14 2.17 0.75 0.86
9 A" 193 186 0.01 2.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2177.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 2100.8 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 B3LYP/6-31G(2df,p)
ABC
0.06323 0.03647 0.02801

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.136 0.504 0.000
F2 -1.247 1.236 0.000
Cl3 1.267 1.609 0.000
Br4 -0.136 -0.593 1.589
Br5 -0.136 -0.593 -1.589

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 Br5
C11.33111.78501.93141.9314
F21.33112.54142.66622.6662
Cl31.78502.54143.05623.0562
Br41.93142.66623.05623.1788
Br51.93142.66623.05623.1788

picture of dibromochlorofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 108.861 F2 C1 Br4 108.104
F2 C1 Br5 108.104 Cl3 C1 Br4 110.561
Cl3 C1 Br5 110.561 Br4 C1 Br5 110.565
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.054      
2 F -0.039      
3 Cl -0.070      
4 Br 0.082      
5 Br 0.082      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.043 -0.269 0.000 0.272
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 339.599
(<r2>)1/2 18.428