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/LANL2DZ

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 2B1

Conformer 1 (CS)

Jump to S1C2
Energy calculated at wB97X-D/LANL2DZ
 hartrees
Energy at 0K-54.165380
Energy at 298.15K 
HF Energy-54.165380
Nuclear repulsion energy21.693971
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/LANL2DZ
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' 3226 3226 8.49 116.16 0.13 0.23
2 A' 1415 1415 8.33 1.13 0.65 0.79
3 A' 786 786 44.85 14.44 0.34 0.51
4 A' 214 214 162.82 0.00 0.74 0.85
5 A" 3412 3412 2.61 32.67 0.75 0.86
6 A" 1004 1004 0.46 6.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5028.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5028.5 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 wB97X-D/LANL2DZ
ABC
8.98594 0.48940 0.46413

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.000 1.168 0.000
Cl2 -0.000 -0.607 0.000
H3 0.000 1.653 0.965
H4 0.000 1.653 -0.965

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.77481.07971.0797
Cl21.77482.45692.4569
H31.07972.45691.9295
H41.07972.45691.9295

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 116.683 Br2 C1 H4 116.683
H3 C1 H4 126.634
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.493      
2 Cl -0.028      
3 H 0.261      
4 H 0.261      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.001 1.718 0.000 1.718
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.894 0.001 0.000
y 0.001 -16.366 0.000
z 0.000 0.000 -17.443
Traceless
 xyz
x -2.990 0.001 0.000
y 0.001 2.303 0.000
z 0.000 0.000 0.687
Polar
3z2-r21.375
x2-y2-3.529
xy0.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.915 0.000 0.000
y 0.000 4.101 0.000
z 0.000 0.000 1.586


<r2> (average value of r2) Å2
<r2> 29.269
(<r2>)1/2 5.410

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at wB97X-D/LANL2DZ
 hartrees
Energy at 0K-54.165380
Energy at 298.15K 
HF Energy-54.165380
Nuclear repulsion energy21.691629
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/LANL2DZ
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 3226 3226 8.48 116.19 0.13 0.23
2 A1 1415 1415 8.35      
3 A1 786 786 44.81      
4 B1 215 215 162.76      
5 B2 3411 3411 2.62      
6 B2 1004 1004 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 5028.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5028.3 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/LANL2DZ
ABC
8.98815 0.48925 0.46399

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.168
Cl2 0.000 0.000 0.607
H3 0.000 0.965 -1.653
H4 0.000 -0.965 -1.653

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.77501.07981.0798
Cl21.77502.45742.4574
H31.07982.45741.9292
H41.07982.45741.9292

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 116.701 Br2 C1 H4 116.701
H3 C1 H4 126.599
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.493      
2 Cl -0.028      
3 H 0.261      
4 H 0.261      


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 -1.718 1.718
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.895 0.000 0.000
y 0.000 -17.444 0.000
z 0.000 0.000 -16.363
Traceless
 xyz
x -2.992 0.000 0.000
y 0.000 0.685 0.000
z 0.000 0.000 2.307
Polar
3z2-r24.613
x2-y2-2.451
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.915 0.000 0.000
y 0.000 1.586 0.000
z 0.000 0.000 4.102


<r2> (average value of r2) Å2
<r2> 29.274
(<r2>)1/2 5.411