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

using model chemistry: PBEPBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-948.075902
Energy at 298.15K 
HF Energy-948.075902
Nuclear repulsion energy120.330710
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/STO-3G
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 3406 3112 9.22      
2 A1 758 693 20.96      
3 A1 288 263 2.46      
4 B1 534i 488i 45.13      
5 B2 1238 1131 81.39      
6 B2 985 900 94.93      

Unscaled Zero Point Vibrational Energy (zpe) 3071.0 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 2805.7 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 PBEPBE/STO-3G
ABC
1.49544 0.10101 0.09462

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.699
H2 0.000 0.000 1.804
Cl3 0.000 1.545 -0.176
Cl4 0.000 -1.545 -0.176

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.10411.77581.7758
H21.10412.51132.5113
Cl31.77582.51133.0895
Cl41.77582.51133.0895

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 119.555 Cl3 C1 Cl4 120.889
Cl4 C1 H2 119.555
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.041      
2 H 0.134      
3 Cl -0.047      
4 Cl -0.047      


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 1.292 1.292
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.136 0.000 0.000
y 0.000 -30.923 0.000
z 0.000 0.000 -26.955
Traceless
 xyz
x -0.197 0.000 0.000
y 0.000 -2.877 0.000
z 0.000 0.000 3.074
Polar
3z2-r26.149
x2-y21.787
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.480 0.000 0.000
y 0.000 4.082 0.000
z 0.000 0.000 1.528


<r2> (average value of r2) Å2
<r2> 106.496
(<r2>)1/2 10.320

Conformer 2 (CS)

Jump to S1C1
Energy calculated at PBEPBE/STO-3G
 hartrees
Energy at 0K-948.079893
Energy at 298.15K-948.080645
HF Energy-948.079893
Nuclear repulsion energy120.041171
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/STO-3G
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' 3307 3021 3.03      
2 A' 793 724 29.82      
3 A' 644 588 3.65      
4 A' 282 257 1.72      
5 A" 1248 1140 43.82      
6 A" 933 853 134.06      

Unscaled Zero Point Vibrational Energy (zpe) 3602.9 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 3291.6 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/STO-3G
ABC
1.38003 0.10215 0.09554

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.018 0.757 0.000
H2 -0.711 1.600 0.000
Cl3 0.018 -0.181 1.534
Cl4 0.018 -0.181 -1.534

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.11531.79781.7978
H21.11532.46132.4613
Cl31.79782.46133.0685
Cl41.79782.46133.0685

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 113.230 Cl3 C1 Cl4 117.165
Cl4 C1 H2 113.230
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.015      
2 H 0.131      
3 Cl -0.058      
4 Cl -0.058      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.643 1.184 0.000 1.347
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.692 -0.849 0.000
y -0.849 -27.587 0.000
z 0.000 0.000 -31.147
Traceless
 xyz
x 0.675 -0.849 0.000
y -0.849 2.333 0.000
z 0.000 0.000 -3.008
Polar
3z2-r2-6.016
x2-y2-1.105
xy-0.849
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.587 -0.200 0.000
y -0.200 1.582 0.000
z 0.000 0.000 4.253


<r2> (average value of r2) Å2
<r2> 105.860
(<r2>)1/2 10.289