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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: PBE1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-31+G**
 hartrees
Energy at 0K-5281.181811
Energy at 298.15K 
HF Energy-5281.181811
Nuclear repulsion energy484.609213
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 PBE1PBE/6-31+G**
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' 3197 3054 0.02 74.25 0.24 0.39
2 A' 1317 1258 15.58 4.79 0.61 0.76
3 A' 1111 1062 196.11 1.82 0.65 0.79
4 A' 636 608 25.78 13.05 0.06 0.11
5 A' 365 349 0.23 4.71 0.14 0.25
6 A' 177 169 0.00 3.08 0.47 0.64
7 A" 1212 1158 85.09 2.59 0.75 0.86
8 A" 714 682 205.40 4.78 0.75 0.86
9 A" 302 288 0.01 2.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4515.3 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 4313.5 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 PBE1PBE/6-31+G**
ABC
0.18402 0.04162 0.03471

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.104 0.791 0.000
H2 -1.003 1.403 0.000
F3 0.989 1.581 0.000
Br4 -0.104 -0.291 1.591
Br5 -0.104 -0.291 -1.591

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08811.34841.92381.9238
H21.08812.00022.49192.4919
F31.34842.00022.68852.6885
Br41.92382.49192.68853.1820
Br51.92382.49192.68853.1820

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.889 H2 C1 Br4 108.441
H2 C1 Br5 108.441 F3 C1 Br4 109.233
F3 C1 Br5 109.233 Br4 C1 Br5 111.586
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.017      
2 H 0.226      
3 F -0.165      
4 Br -0.022      
5 Br -0.022      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.194 0.395 0.000 1.257
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.366 -2.364 0.000
y -2.364 -46.979 0.000
z 0.000 0.000 -46.939
Traceless
 xyz
x -1.406 -2.364 0.000
y -2.364 0.673 0.000
z 0.000 0.000 0.733
Polar
3z2-r21.466
x2-y2-1.386
xy-2.364
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.840 0.217 0.000
y 0.217 6.710 0.000
z 0.000 0.000 9.989


<r2> (average value of r2) Å2
<r2> 251.568
(<r2>)1/2 15.861