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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: B3PW91/6-31G(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 B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-5282.207770
Energy at 298.15K 
HF Energy-5282.207770
Nuclear repulsion energy486.841686
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 B3PW91/6-31G(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' 3145 3024 1.11 67.25 0.25 0.40
2 A' 1323 1272 11.83 4.07 0.63 0.77
3 A' 1130 1086 151.79 1.19 0.66 0.80
4 A' 635 610 21.35 9.93 0.07 0.12
5 A' 365 351 0.32 5.01 0.12 0.22
6 A' 174 168 0.01 2.91 0.39 0.56
7 A" 1195 1148 67.75 1.60 0.75 0.86
8 A" 717 690 184.13 3.10 0.75 0.86
9 A" 303 291 0.01 1.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4493.4 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 4319.9 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 B3PW91/6-31G(2df,p)
ABC
0.18680 0.04190 0.03499

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.102 0.783 0.000
H2 -1.009 1.386 0.000
F3 0.977 1.572 0.000
Br4 -0.102 -0.289 1.586
Br5 -0.102 -0.289 -1.586

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08931.33711.91421.9142
H21.08931.99492.47872.4787
F31.33711.99492.67282.6728
Br41.91422.47872.67283.1717
Br51.91422.47872.67283.1717

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 110.191 H2 C1 Br4 108.069
H2 C1 Br5 108.069 F3 C1 Br4 109.303
F3 C1 Br5 109.303 Br4 C1 Br5 111.887
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.216      
2 H 0.206      
3 F -0.065      
4 Br 0.037      
5 Br 0.037      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.888 0.597 0.000 1.070
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.875 -1.911 0.000
y -1.911 -45.618 0.000
z 0.000 0.000 -46.326
Traceless
 xyz
x -0.903 -1.911 0.000
y -1.911 0.982 0.000
z 0.000 0.000 -0.079
Polar
3z2-r2-0.158
x2-y2-1.257
xy-1.911
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.984 0.150 0.000
y 0.150 6.808 0.000
z 0.000 0.000 10.021


<r2> (average value of r2) Å2
<r2> 249.045
(<r2>)1/2 15.781