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All results from a given calculation for CH2Br (bromomethyl radical)

using model chemistry: wB97X-D/6-31G**

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/6-31G**
Rotational Constants (cm-1) from geometry optimized at wB97X-D/6-31G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at wB97X-D/6-31G**
 hartrees
Energy at 0K-2610.955349
Energy at 298.15K 
HF Energy-2610.955349
Nuclear repulsion energy80.815535
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/6-31G**
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 3214 3214 4.78 107.95 0.12 0.21
2 A1 1410 1410 20.24 2.28 0.67 0.80
3 A1 717 717 19.67 8.11 0.22 0.36
4 B1 99i 99i 80.77 0.55 0.75 0.86
5 B2 3373 3373 0.16 57.86 0.75 0.86
6 B2 941 941 1.42 3.87 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4777.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4777.6 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/6-31G**
ABC
9.17802 0.37948 0.36441

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G**

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 0.955 -1.986
H4 0.000 -0.955 -1.986

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.85011.07901.0790
Br21.85012.53942.5394
H31.07902.53941.9092
H41.07902.53941.9092

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 117.790 Br2 C1 H4 117.790
H3 C1 H4 124.419
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.286      
2 Br -0.064      
3 H 0.175      
4 H 0.175      


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 -1.074 1.074
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.921 0.000 0.000
y 0.000 -23.975 0.000
z 0.000 0.000 -21.214
Traceless
 xyz
x -3.327 0.000 0.000
y 0.000 -0.407 0.000
z 0.000 0.000 3.734
Polar
3z2-r27.468
x2-y2-1.946
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.403 0.000 0.000
y 0.000 3.178 0.000
z 0.000 0.000 5.420


<r2> (average value of r2) Å2
<r2> 42.428
(<r2>)1/2 6.514