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All results from a given calculation for CHBr2F (dibromofluoromethane)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-164.848149
Energy at 298.15K 
HF Energy-164.848149
Nuclear repulsion energy82.066196
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/LANL2DZ
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' 3218 3093 4.97 102.86 0.20 0.33
2 A' 1287 1237 16.75 8.50 0.71 0.83
3 A' 994 955 204.22 2.53 0.43 0.60
4 A' 575 552 28.19 14.90 0.21 0.34
5 A' 326 314 1.02 8.72 0.31 0.47
6 A' 162 156 0.00 9.42 0.57 0.73
7 A" 1191 1145 81.60 3.11 0.75 0.86
8 A" 637 613 216.09 8.07 0.75 0.86
9 A" 272 261 0.03 4.89 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4331.0 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 4163.0 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/LANL2DZ
ABC
0.17158 0.03757 0.03147

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.108 0.806 0.000
H2 -1.010 1.414 0.000
F3 1.024 1.645 0.000
Br4 -0.108 -0.301 1.675
Br5 -0.108 -0.301 -1.675

Atom - Atom Distances (Å)
  C1 H2 F3 Br4 Br5
C11.08771.40872.00772.0077
H21.08772.04642.56112.5611
F31.40872.04642.80582.8058
Br42.00772.56112.80583.3508
Br52.00772.56112.80583.3508

picture of dibromofluoromethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 F3 109.442 H2 C1 Br4 107.942
H2 C1 Br5 107.942 F3 C1 Br4 109.165
F3 C1 Br5 109.165 Br4 C1 Br5 113.124
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.255      
2 H 0.323      
3 F -0.187      
4 Br 0.059      
5 Br 0.059      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.696 0.253 0.000 1.715
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.350 -3.055 0.000
y -3.055 -41.563 0.000
z 0.000 0.000 -41.230
Traceless
 xyz
x -0.954 -3.055 0.000
y -3.055 0.227 0.000
z 0.000 0.000 0.727
Polar
3z2-r21.453
x2-y2-0.787
xy-3.055
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.207 0.321 0.000
y 0.321 4.184 0.000
z 0.000 0.000 8.947


<r2> (average value of r2) Å2
<r2> 107.540
(<r2>)1/2 10.370