return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2Cl (chloromethyl 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'
1 2 no C2V 2B1

Conformer 1 (CS)

Jump to S1C2
Energy calculated at wB97X-D/6-311G*
 hartrees
Energy at 0K-499.440052
Energy at 298.15K 
HF Energy-499.440052
Nuclear repulsion energy45.275397
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' 3183 3183 10.03 100.08 0.15 0.26
2 A' 1431 1431 10.14 2.10 0.72 0.84
3 A' 847 847 40.96 6.56 0.33 0.50
4 A' 123 123 99.62 0.15 0.14 0.25
5 A" 3339 3339 0.61 50.49 0.75 0.86
6 A" 1019 1019 0.91 3.72 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4970.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4970.7 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
9.14918 0.52550 0.49710

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 -0.004 1.121 0.000
Cl2 -0.004 -0.586 0.000
H3 0.052 1.619 0.955
H4 0.052 1.619 -0.955

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70671.07861.0786
Cl21.70672.40382.4038
H31.07862.40381.9096
H41.07862.40381.9096

picture of chloromethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 117.536 Br2 C1 H4 117.536
H3 C1 H4 124.551
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 -0.538      
2 Cl -0.007      
3 H 0.273      
4 H 0.273      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.116 1.248 0.000 1.253
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.731 0.192 0.000
y 0.192 -17.381 0.000
z 0.000 0.000 -18.530
Traceless
 xyz
x -2.776 0.192 0.000
y 0.192 2.250 0.000
z 0.000 0.000 0.526
Polar
3z2-r21.052
x2-y2-3.351
xy0.192
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.667 0.021 0.000
y 0.021 4.529 0.000
z 0.000 0.000 2.261


<r2> (average value of r2) Å2
<r2> 32.239
(<r2>)1/2 5.678

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at wB97X-D/6-311G*
 hartrees
Energy at 0K-499.440049
Energy at 298.15K 
HF Energy-499.440049
Nuclear repulsion energy45.280688
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 3185 3185 9.76 99.80 0.15 0.26
2 A1 1431 1431 10.21      
3 A1 847 847 40.65      
4 B1 87i 87i 102.18      
5 B2 3341 3341 0.53      
6 B2 1017 1017 0.93      

Unscaled Zero Point Vibrational Energy (zpe) 4867.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4867.2 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 wB97X-D/6-311G*
ABC
9.16162 0.52564 0.49712

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 -1.120
Cl2 0.000 0.000 0.586
H3 0.000 0.955 -1.621
H4 0.000 -0.955 -1.621

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70631.07851.0785
Cl21.70632.40462.4046
H31.07852.40461.9109
H41.07852.40461.9109

picture of chloromethyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 117.638 Br2 C1 H4 117.638
H3 C1 H4 124.725
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 -0.539      
2 Cl -0.007      
3 H 0.273      
4 H 0.273      


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 -1.249 1.249
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.740 0.000 0.000
y 0.000 -18.522 0.000
z 0.000 0.000 -17.368
Traceless
 xyz
x -2.794 0.000 0.000
y 0.000 0.532 0.000
z 0.000 0.000 2.263
Polar
3z2-r24.526
x2-y2-2.217
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.665 0.000 0.000
y 0.000 2.260 0.000
z 0.000 0.000 4.528


<r2> (average value of r2) Å2
<r2> 32.237
(<r2>)1/2 5.678