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

using model chemistry: B3PW91/3-21G

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 B3PW91/3-21G
 hartrees
Energy at 0K-954.278711
Energy at 298.15K 
HF Energy-954.278711
Nuclear repulsion energy121.054092
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 B3PW91/3-21G
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 3320 3191 2.46      
2 A1 667 641 15.48      
3 A1 279 268 0.68      
4 B1 417i 401i 107.09      
5 B2 1183 1137 56.59      
6 B2 818 786 160.80      

Unscaled Zero Point Vibrational Energy (zpe) 2925.0 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 2811.5 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 B3PW91/3-21G
ABC
1.43462 0.10333 0.09639

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.723
H2 0.000 0.000 1.799
Cl3 0.000 1.527 -0.180
Cl4 0.000 -1.527 -0.180

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07651.77431.7743
H21.07652.50022.5002
Cl31.77432.50023.0546
Cl41.77432.50023.0546

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 120.595 Cl3 C1 Cl4 118.809
Cl4 C1 H2 120.595
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.625      
2 H 0.316      
3 Cl 0.154      
4 Cl 0.154      


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 1.304 1.304
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.472 0.000 0.000
y 0.000 -32.424 0.000
z 0.000 0.000 -28.843
Traceless
 xyz
x -1.838 0.000 0.000
y 0.000 -1.767 0.000
z 0.000 0.000 3.605
Polar
3z2-r27.210
x2-y2-0.047
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.391 0.000 0.000
y 0.000 6.569 0.000
z 0.000 0.000 3.104


<r2> (average value of r2) Å2
<r2> 106.302
(<r2>)1/2 10.310

Conformer 2 (CS)

Jump to S1C1
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-954.280382
Energy at 298.15K-954.281095
HF Energy-954.280382
Nuclear repulsion energy120.449209
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 B3PW91/3-21G
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' 3252 3126 1.99      
2 A' 700 673 34.19      
3 A' 512 492 22.91      
4 A' 277 266 0.55      
5 A" 1212 1165 37.18      
6 A" 770 740 192.50      

Unscaled Zero Point Vibrational Energy (zpe) 3361.1 cm-1
Scaled (by 0.9612) 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 B3PW91/3-21G
ABC
1.36513 0.10317 0.09623

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.015 0.760 0.000
H2 -0.592 1.656 0.000
Cl3 0.015 -0.183 1.527
Cl4 0.015 -0.183 -1.527

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.08241.79471.7947
H21.08242.46642.4664
Cl31.79472.46643.0544
Cl41.79472.46643.0544

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 115.790 Cl3 C1 Cl4 116.631
Cl4 C1 H2 115.790
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.570      
2 H 0.313      
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
  -0.830 1.169 0.000 1.434
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.990 -1.289 0.000
y -1.289 -29.657 0.000
z 0.000 0.000 -32.834
Traceless
 xyz
x -0.745 -1.289 0.000
y -1.289 2.755 0.000
z 0.000 0.000 -2.010
Polar
3z2-r2-4.021
x2-y2-2.333
xy-1.289
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.548 -0.248 0.000
y -0.248 3.158 0.000
z 0.000 0.000 6.756


<r2> (average value of r2) Å2
<r2> 106.672
(<r2>)1/2 10.328