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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: B2PLYP/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 B2PLYP/6-31G
 hartrees
Energy at 0K-5280.471900
Energy at 298.15K 
HF Energy-5280.371936
Nuclear repulsion energy469.872489
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 B2PLYP/6-31G
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' 3245 3245 2.29 93.77 0.25 0.40
2 A' 1307 1307 16.85 9.43 0.75 0.86
3 A' 1039 1039 155.71 2.17 0.69 0.82
4 A' 584 584 29.63 13.16 0.18 0.30
5 A' 327 327 1.45 7.34 0.29 0.45
6 A' 165 165 0.06 7.34 0.56 0.72
7 A" 1202 1202 86.13 7.89 0.75 0.86
8 A" 650 650 200.16 7.22 0.75 0.86
9 A" 275 275 0.00 4.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4397.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4397.3 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 B2PLYP/6-31G
ABC
0.17212 0.03917 0.03262

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.108 0.814 0.000
H2 -1.004 1.423 0.000
F3 1.028 1.635 0.000
Br4 -0.108 -0.300 1.640
Br5 -0.108 -0.300 -1.640

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08301.40151.98291.9829
H21.08302.04272.54212.5421
F31.40152.04272.77952.7795
Br41.98292.54212.77953.2802
Br51.98292.54212.77953.2802

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.944 H2 C1 Br4 108.426
H2 C1 Br5 108.426 F3 C1 Br4 109.211
F3 C1 Br5 109.211 Br4 C1 Br5 111.606
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.227      
2 H 0.258      
3 F -0.279      
4 Br 0.124      
5 Br 0.124      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.636 0.324 0.000 1.667
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.364 -2.764 0.006
y -2.764 -47.589 0.021
z 0.006 0.021 -47.699
Traceless
 xyz
x -0.721 -2.764 0.006
y -2.764 0.443 0.021
z 0.006 0.021 0.278
Polar
3z2-r20.556
x2-y2-0.776
xy-2.764
xz0.006
yz0.021


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.690 0.300 -0.000
y 0.300 4.372 -0.001
z -0.000 -0.001 8.358


<r2> (average value of r2) Å2
<r2> 265.981
(<r2>)1/2 16.309