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All results from a given calculation for CHBr2 (dibromomethyl radical)

using model chemistry: wB97X-D/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at wB97X-D/6-311G*
 hartrees
Energy at 0K-5186.982012
Energy at 298.15K 
HF Energy-5186.982012
Nuclear repulsion energy337.667320
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 wB97X-D/6-311G*
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' 3238 3238 0.91 94.59 0.29 0.45
2 A' 631 631 7.16 5.91 0.32 0.49
3 A' 399 399 37.86 7.96 0.08 0.15
4 A' 190 190 0.23 3.87 0.57 0.73
5 A" 1222 1222 63.21 1.81 0.75 0.86
6 A" 798 798 128.23 1.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 3238.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3238.7 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 wB97X-D/6-311G*
ABC
1.29985 0.04087 0.03965

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.006 0.821 0.000
H2 -0.437 1.807 0.000
Br3 0.006 -0.096 1.616
Br4 0.006 -0.096 -1.616

Atom - Atom Distances (Å)
  C1 H2 Br3 Br4
C11.08091.85851.8585
H21.08092.53602.5360
Br31.85852.53603.2326
Br41.85852.53603.2326

picture of dibromomethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 C1 Br3 116.761 H2 C1 Br4 116.761
Br3 C1 Br4 120.842
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.464      
2 H 0.297      
3 Br 0.083      
4 Br 0.083      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.472 0.669 0.000 0.819
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.525 -0.935 0.000
y -0.935 -40.529 0.000
z 0.000 0.000 -41.049
Traceless
 xyz
x -2.735 -0.935 0.000
y -0.935 1.758 0.000
z 0.000 0.000 0.978
Polar
3z2-r21.956
x2-y2-2.995
xy-0.935
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.413 -0.141 0.000
y -0.141 4.869 0.000
z 0.000 0.000 9.679


<r2> (average value of r2) Å2
<r2> 217.066
(<r2>)1/2 14.733