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All results from a given calculation for CH2Br (bromomethyl 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 2 yes C2V 2A1

Conformer 1 (CS)

Jump to S1C2
Vibrational Frequencies calculated at wB97X-D/6-311G*
Rotational Constants (cm-1) from geometry optimized at wB97X-D/6-311G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at wB97X-D/6-311G*
 hartrees
Energy at 0K-2613.407599
Energy at 298.15K 
HF Energy-2613.407599
Nuclear repulsion energy80.798453
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 A1 3183 3183 7.93 108.18 0.14 0.25
2 A1 1406 1406 17.81 0.93 0.75 0.86
3 A1 722 722 19.24 7.57 0.26 0.41
4 B1 54i 54i 97.50 0.00 0.75 0.86
5 B2 3338 3338 0.03 56.84 0.75 0.86
6 B2 946 946 2.74 3.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4770.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4770.7 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
9.21310 0.37920 0.36421

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.482
Br2 0.000 0.000 0.368
H3 0.000 0.953 -1.989
H4 0.000 -0.953 -1.989

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.85031.07881.0788
Br21.85032.54162.5416
H31.07882.54161.9055
H41.07882.54161.9055

picture of bromomethyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 117.973 Br2 C1 H4 117.973
H3 C1 H4 124.054
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 -0.579      
2 Br 0.040      
3 H 0.270      
4 H 0.270      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.014 1.014
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.431 0.000 0.000
y 0.000 -24.265 0.000
z 0.000 0.000 -21.638
Traceless
 xyz
x -3.480 0.000 0.000
y 0.000 -0.231 0.000
z 0.000 0.000 3.710
Polar
3z2-r27.421
x2-y2-2.166
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.263 0.000 0.000
y 0.000 2.862 0.000
z 0.000 0.000 5.634


<r2> (average value of r2) Å2
<r2> 42.704
(<r2>)1/2 6.535