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All results from a given calculation for CHCl2 (dichloromethyl radical)

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 2B1
1 2 yes CS 2A'

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-954.403218
Energy at 298.15K 
HF Energy-954.403218
Nuclear repulsion energy121.344658
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 mPW1PW91/3-21G
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 3339 3187 2.80      
2 A1 674 643 15.75      
3 A1 282 269 0.74      
4 B1 411i 393i 105.22      
5 B2 1191 1137 58.35      
6 B2 829 791 156.56      

Unscaled Zero Point Vibrational Energy (zpe) 2950.9 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 2816.9 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 mPW1PW91/3-21G
ABC
1.43785 0.10389 0.09689

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.722
H2 0.000 0.000 1.797
Cl3 0.000 1.523 -0.180
Cl4 0.000 -1.523 -0.180

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07491.77031.7703
H21.07492.49582.4958
Cl31.77032.49583.0464
Cl41.77032.49583.0464

picture of dichloromethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl3 C1 H2 120.636 Cl3 C1 Cl4 118.727
Cl4 C1 H2 120.636
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.632      
2 H 0.320      
3 Cl 0.156      
4 Cl 0.156      


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 1.325 1.325
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.487 0.000 0.000
y 0.000 -32.506 0.000
z 0.000 0.000 -28.847
Traceless
 xyz
x -1.811 0.000 0.000
y 0.000 -1.839 0.000
z 0.000 0.000 3.650
Polar
3z2-r27.299
x2-y20.019
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.383 0.000 0.000
y 0.000 6.478 0.000
z 0.000 0.000 3.085


<r2> (average value of r2) Å2
<r2> 105.879
(<r2>)1/2 10.290

Conformer 2 (CS)

Jump to S1C1
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-954.404762
Energy at 298.15K-954.405484
HF Energy-954.404762
Nuclear repulsion energy120.789480
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 mPW1PW91/3-21G
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' 3275 3126 2.13      
2 A' 702 670 33.24      
3 A' 509 486 24.61      
4 A' 280 267 0.63      
5 A" 1220 1164 39.15      
6 A" 784 748 187.49      

Unscaled Zero Point Vibrational Energy (zpe) 3384.3 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 3230.7 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 mPW1PW91/3-21G
ABC
1.37247 0.10377 0.09677

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.014 0.757 0.000
H2 -0.578 1.661 0.000
Cl3 0.014 -0.182 1.523
Cl4 0.014 -0.182 -1.523

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.08051.78931.7893
H21.08052.46312.4631
Cl31.78932.46313.0457
Cl41.78932.46313.0457

picture of dichloromethyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl3 C1 H2 116.047 Cl3 C1 Cl4 116.665
Cl4 C1 H2 116.047
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.579      
2 H 0.317      
3 Cl 0.131      
4 Cl 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.810 1.196 0.000 1.444
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.024 -1.268 0.000
y -1.268 -29.629 0.000
z 0.000 0.000 -32.898
Traceless
 xyz
x -0.760 -1.268 0.000
y -1.268 2.832 0.000
z 0.000 0.000 -2.072
Polar
3z2-r2-4.144
x2-y2-2.395
xy-1.268
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.532 -0.242 0.000
y -0.242 3.132 0.000
z 0.000 0.000 6.650


<r2> (average value of r2) Å2
<r2> 106.202
(<r2>)1/2 10.305