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

using model chemistry: MP3=FULL/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 MP3=FULL/3-21G
 hartrees
Energy at 0K-952.942881
Energy at 298.15K 
HF Energy-952.751809
Nuclear repulsion energy119.316639
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 MP3=FULL/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 3337 3337 1.41      
2 A1 645 645 14.46      
3 A1 270 270 0.92      
4 B1 517i 517i 82.34      
5 B2 1200 1200 73.78      
6 B2 815 815 111.50      

Unscaled Zero Point Vibrational Energy (zpe) 2874.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2874.6 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 MP3=FULL/3-21G
ABC
1.40313 0.10018 0.09351

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.733
H2 0.000 0.000 1.809
Cl3 0.000 1.551 -0.183
Cl4 0.000 -1.551 -0.183

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.07591.80101.8010
H21.07592.52402.5240
Cl31.80102.52403.1022
Cl41.80102.52403.1022

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 120.544 Cl3 C1 Cl4 118.911
Cl4 C1 H2 120.544
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP3=FULL/3-21G
 hartrees
Energy at 0K-952.945417
Energy at 298.15K-952.946149
HF Energy-952.753494
Nuclear repulsion energy118.677198
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 MP3=FULL/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' 3274 3274 1.32      
2 A' 703 703 28.40      
3 A' 557 557 11.09      
4 A' 267 267 0.68      
5 A" 1226 1226 49.72      
6 A" 764 764 138.16      

Unscaled Zero Point Vibrational Energy (zpe) 3395.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 3395.3 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 MP3=FULL/3-21G
ABC
1.32750 0.10006 0.09334

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.015 0.774 0.000
H2 -0.608 1.658 0.000
Cl3 0.015 -0.185 1.551
Cl4 0.015 -0.185 -1.551

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.08131.82351.8235
H21.08132.48802.4880
Cl31.82352.48803.1015
Cl41.82352.48803.1015

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 115.467 Cl3 C1 Cl4 116.517
Cl4 C1 H2 115.467
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability