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/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-21.717869
Energy at 298.15K 
HF Energy-21.717869
Nuclear repulsion energy15.804286
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/CEP-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 A' 3203 3203 20.10 129.46 0.20 0.34
2 A' 1419 1419 15.66 2.26 0.73 0.84
3 A' 861 861 44.97 9.45 0.35 0.51
4 A' 166 166 139.68 0.15 0.32 0.48
5 A" 3354 3354 5.86 50.81 0.75 0.86
6 A" 1004 1004 0.54 3.44 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5003.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5003.4 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/CEP-31G*
ABC
8.96988 0.51465 0.48684

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.004 1.133 0.000
Cl2 -0.004 -0.592 0.000
H3 0.048 1.635 0.965
H4 0.048 1.635 -0.965

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.72491.08881.0888
Cl21.72492.42772.4277
H31.08882.42771.9290
H41.08882.42771.9290

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 117.482 Br2 C1 H4 117.482
H3 C1 H4 124.714
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.405      
2 Cl -0.060      
3 H 0.232      
4 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.127 1.322 0.000 1.328
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.805 0.214 0.000
y 0.214 -16.161 0.000
z 0.000 0.000 -17.492
Traceless
 xyz
x -2.978 0.214 0.000
y 0.214 2.488 0.000
z 0.000 0.000 0.491
Polar
3z2-r20.982
x2-y2-3.644
xy0.214
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.556 0.013 0.000
y 0.013 4.445 0.000
z 0.000 0.000 2.025


<r2> (average value of r2) Å2
<r2> 25.929
(<r2>)1/2 5.092

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at wB97X-D/CEP-31G*
 hartrees
Energy at 0K-21.717868
Energy at 298.15K 
HF Energy-21.717868
Nuclear repulsion energy15.805302
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/CEP-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 3204 3204 19.85 129.53 0.20 0.34
2 A1 1419 1419 15.75      
3 A1 862 862 44.73      
4 B1 92 92 143.54      
5 B2 3355 3355 5.58      
6 B2 1002 1002 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 4966.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4966.7 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/CEP-31G*
ABC
8.98020 0.51476 0.48685

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.132
Cl2 0.000 0.000 0.592
H3 0.000 0.965 -1.636
H4 0.000 -0.965 -1.636

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.72461.08871.0887
Cl21.72462.42842.4284
H31.08872.42841.9301
H41.08872.42841.9301

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 117.570 Br2 C1 H4 117.570
H3 C1 H4 124.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.406      
2 Cl -0.060      
3 H 0.233      
4 H 0.233      


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 -1.323 1.323
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.813 0.000 0.000
y 0.000 -17.486 0.000
z 0.000 0.000 -16.149
Traceless
 xyz
x -2.995 0.000 0.000
y 0.000 0.495 0.000
z 0.000 0.000 2.501
Polar
3z2-r25.001
x2-y2-2.327
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.555 0.000 0.000
y 0.000 2.022 0.000
z 0.000 0.000 4.446


<r2> (average value of r2) Å2
<r2> 25.929
(<r2>)1/2 5.092