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

using model chemistry: M06-2X/cc-pVTZ-PP

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 M06-2X/cc-pVTZ-PP
Rotational Constants (cm-1) from geometry optimized at M06-2X/cc-pVTZ-PP
See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/cc-pVTZ-PP
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at M06-2X/cc-pVTZ-PP
 hartrees
Energy at 0K-456.261604
Energy at 298.15K 
HF Energy-456.261604
Nuclear repulsion energy59.508216
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 M06-2X/cc-pVTZ-PP
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 3202 3202 3.56 119.01 0.11 0.19
2 A1 1388 1388 20.20 0.77 0.48 0.65
3 A1 717 717 18.83 9.28 0.16 0.28
4 B1 181i 181i 62.59 0.01 0.75 0.86
5 B2 3360 3360 2.20 51.29 0.75 0.86
6 B2 932 932 1.38 2.47 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4709.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4709.2 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 M06-2X/cc-pVTZ-PP
ABC
9.25162 0.37938 0.36443

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/cc-pVTZ-PP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.483
Br2 0.000 0.000 0.368
H3 0.000 0.951 -1.984
H4 0.000 -0.951 -1.984

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.85091.07441.0744
Br21.85092.53612.5361
H31.07442.53611.9016
H41.07442.53611.9016

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 117.752 Br2 C1 H4 117.752
H3 C1 H4 124.496
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/cc-pVTZ-PP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.331      
2 Br -0.006      
3 H 0.169      
4 H 0.169      


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 -0.992 0.992
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.224 0.000 0.000
y 0.000 -24.188 0.000
z 0.000 0.000 -21.658
Traceless
 xyz
x -3.301 0.000 0.000
y 0.000 -0.246 0.000
z 0.000 0.000 3.548
Polar
3z2-r27.096
x2-y2-2.037
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.226 0.000 0.000
y 0.000 3.691 0.000
z 0.000 0.000 6.082


<r2> (average value of r2) Å2
<r2> 41.260
(<r2>)1/2 6.423