return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2Cl (chloromethyl radical)

using model chemistry: PM6

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description

Conformer 1 (CS)

Jump to S1C2
Energy calculated at PM6
 hartrees
Energy at 0K 
Energy at 298.15K0.028106
HF Energy0.028106
Nuclear repulsion energy28.576497
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 PM6
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' 2759 2931 38.97      
2 A' 1286 1367 0.97      
3 A' 859 913 107.61      
4 A' 794 843 150.62      
5 A" 2726 2896 107.31      
6 A" 940 999 5.05      

Unscaled Zero Point Vibrational Energy (zpe) 4682.1 cm-1
Scaled (by 1.0624) Zero Point Vibrational Energy (zpe) 4974.3 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 PM6
ABC
9.64409 0.54234 0.51347

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM6

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.005 1.112 0.000
Cl2 0.005 -0.582 0.000
H3 -0.058 1.611 0.941
H4 -0.058 1.611 -0.941

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.69391.06691.0669
Cl21.69392.38702.3870
H31.06692.38701.8819
H41.06692.38701.8819

picture of chloromethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 117.883 Br2 C1 H4 117.883
H3 C1 H4 123.757
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at PM6
 hartrees
Energy at 0K 
Energy at 298.15K0.028105
HF Energy0.028105
Nuclear repulsion energy28.575864
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 PM6
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 2760 2932 37.02      
2 A1 1286 1366 0.28      
3 A1 859 912 106.93      
4 B1 793 843 163.32      
5 B2 2726 2896 107.48      
6 B2 940 999 7.68      

Unscaled Zero Point Vibrational Energy (zpe) 4681.8 cm-1
Scaled (by 1.0624) Zero Point Vibrational Energy (zpe) 4973.9 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 PM6
ABC
9.64815 0.54220 0.51335

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM6

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.096
Cl2 0.000 0.000 0.578
H3 0.000 0.931 -1.622
H4 0.000 -0.931 -1.622

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.67371.06911.0691
Cl21.67372.38812.3881
H31.06912.38811.8621
H41.06912.38811.8621

picture of chloromethyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 119.439 Br2 C1 H4 119.439
H3 C1 H4 121.121
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability