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

using model chemistry: SVWN/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 2A'
1 2 yes C2V 2A1

Conformer 1 (CS)

Jump to S1C2
Energy calculated at SVWN/aug-cc-pVTZ
 hartrees
Energy at 0K-2610.418276
Energy at 298.15K-2610.422111
HF Energy-2610.418276
Nuclear repulsion energy81.801287
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 SVWN/aug-cc-pVTZ
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' 3102 3077 1.11      
2 A' 1316 1305 7.36      
3 A' 746 740 12.00      
4 A' 287 284 73.16      
5 A" 3254 3229 3.50      
6 A" 899 892 1.27      

Unscaled Zero Point Vibrational Energy (zpe) 4801.4 cm-1
Scaled (by 0.9921) Zero Point Vibrational Energy (zpe) 4763.5 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 SVWN/aug-cc-pVTZ
ABC
9.06633 0.39022 0.37412

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.460 0.000
Br2 0.000 -0.363 0.000
H3 -0.001 1.966 0.960
H4 -0.001 1.966 -0.960

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.82261.08571.0857
Br21.82262.51912.5191
H31.08572.51911.9209
H41.08572.51911.9209

picture of bromomethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 117.792 Br2 C1 H4 117.792
H3 C1 H4 124.415
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.848      
2 Br 0.268      
3 H 0.290      
4 H 0.290      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.002 0.707 0.000 0.707
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.574 -0.005 0.000
y -0.005 -22.468 0.000
z 0.000 0.000 -24.434
Traceless
 xyz
x -3.123 -0.005 0.000
y -0.005 3.037 0.000
z 0.000 0.000 0.087
Polar
3z2-r20.173
x2-y2-4.107
xy-0.005
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.638 0.000 0.000
y 0.000 7.080 0.000
z 0.000 0.000 4.763


<r2> (average value of r2) Å2
<r2> 42.265
(<r2>)1/2 6.501

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at SVWN/aug-cc-pVTZ
 hartrees
Energy at 0K-2610.418287
Energy at 298.15K 
HF Energy-2610.418287
Nuclear repulsion energy81.811386
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 SVWN/aug-cc-pVTZ
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 3101 3076 1.12 136.71 0.07 0.13
2 A1 1315 1305 7.34 1.23 0.60 0.75
3 A1 742 736 12.03 12.82 0.09 0.17
4 B1 286 284 73.13 1.72 0.75 0.86
5 B2 3254 3228 3.49 57.68 0.75 0.86
6 B2 899 891 1.26 0.77 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4798.5 cm-1
Scaled (by 0.9921) Zero Point Vibrational Energy (zpe) 4760.6 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 SVWN/aug-cc-pVTZ
ABC
9.06618 0.39033 0.37422

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.460
Br2 0.000 0.000 0.363
H3 0.000 0.960 -1.966
H4 0.000 -0.960 -1.966

Atom - Atom Distances (Å)
  C1 Br2 H3 H4
C11.82241.08561.0856
Br21.82242.51882.5188
H31.08562.51881.9209
H41.08562.51881.9209

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 117.787 Br2 C1 H4 117.787
H3 C1 H4 124.426
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.849      
2 Br 0.269      
3 H 0.290      
4 H 0.290      


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 -0.706 0.706
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.574 0.000 0.000
y 0.000 -24.434 0.000
z 0.000 0.000 -22.470
Traceless
 xyz
x -3.122 0.000 0.000
y 0.000 0.088 0.000
z 0.000 0.000 3.034
Polar
3z2-r26.068
x2-y2-2.140
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.638 0.000 0.000
y 0.000 4.763 0.000
z 0.000 0.000 7.079


<r2> (average value of r2) Å2
<r2> 42.259
(<r2>)1/2 6.501