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

using model chemistry: PBEPBE/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 PBEPBE/3-21G
 hartrees
Energy at 0K-953.937976
Energy at 298.15K 
HF Energy-953.937976
Nuclear repulsion energy120.342472
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 PBEPBE/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 3247 3218 1.86      
2 A1 653 647 13.90      
3 A1 272 269 0.49      
4 B1 431i 427i 113.70      
5 B2 1148 1138 48.85      
6 B2 792 784 172.22      

Unscaled Zero Point Vibrational Energy (zpe) 2840.7 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 2814.9 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 PBEPBE/3-21G
ABC
1.41803 0.10212 0.09526

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.727
H2 0.000 0.000 1.811
Cl3 0.000 1.536 -0.181
Cl4 0.000 -1.536 -0.181

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.08391.78471.7847
H21.08392.51562.5156
Cl31.78472.51563.0726
Cl41.78472.51563.0726

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 120.588 Cl3 C1 Cl4 118.824
Cl4 C1 H2 120.588
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.619      
2 H 0.301      
3 Cl 0.159      
4 Cl 0.159      


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 1.190 1.190
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.499 0.000 0.000
y 0.000 -32.086 0.000
z 0.000 0.000 -28.910
Traceless
 xyz
x -2.001 0.000 0.000
y 0.000 -1.382 0.000
z 0.000 0.000 3.383
Polar
3z2-r26.765
x2-y2-0.412
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.425 0.000 0.000
y 0.000 6.878 0.000
z 0.000 0.000 3.180


<r2> (average value of r2) Å2
<r2> 107.281
(<r2>)1/2 10.358

Conformer 2 (CS)

Jump to S1C1
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-953.940182
Energy at 298.15K-953.940871
HF Energy-953.940182
Nuclear repulsion energy119.540807
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 PBEPBE/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' 3155 3127 1.90      
2 A' 701 694 35.79      
3 A' 517 513 17.06      
4 A' 268 265 0.34      
5 A" 1175 1164 28.69      
6 A" 734 727 206.41      

Unscaled Zero Point Vibrational Energy (zpe) 3274.8 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 3245.0 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 PBEPBE/3-21G
ABC
1.33153 0.10185 0.09497

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.016 0.773 0.000
H2 -0.649 1.639 0.000
Cl3 0.016 -0.185 1.537
Cl4 0.016 -0.185 -1.537

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.09201.81091.8109
H21.09202.47612.4761
Cl31.81092.47613.0737
Cl41.81092.47613.0737

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 114.804 Cl3 C1 Cl4 116.132
Cl4 C1 H2 114.804
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.558      
2 H 0.300      
3 Cl 0.129      
4 Cl 0.129      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.906 1.024 0.000 1.367
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.932 -1.368 0.000
y -1.368 -29.867 0.000
z 0.000 0.000 -32.563
Traceless
 xyz
x -0.717 -1.368 0.000
y -1.368 2.381 0.000
z 0.000 0.000 -1.664
Polar
3z2-r2-3.327
x2-y2-2.065
xy-1.368
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.618 -0.265 0.000
y -0.265 3.265 0.000
z 0.000 0.000 7.128


<r2> (average value of r2) Å2
<r2> 107.816
(<r2>)1/2 10.383