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: B2PLYP=FULLultrafine/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 2A'
1 2 yes C2V 2B1

Conformer 1 (CS)

Jump to S1C2
Energy calculated at B2PLYP=FULLultrafine/6-311+G(3df,2p)
 hartrees
Energy at 0K-499.334927
Energy at 298.15K 
HF Energy-499.190881
Nuclear repulsion energy45.620456
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 B2PLYP=FULLultrafine/6-311+G(3df,2p)
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' 3200 3200 6.35 106.58 0.08 0.14
2 A' 1434 1434 9.33 0.90 0.69 0.82
3 A' 856 856 31.83 7.18 0.10 0.18
4 A' 193 193 69.55 0.72 0.75 0.86
5 A" 3351 3351 0.39 43.65 0.75 0.86
6 A" 1010 1010 0.06 1.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5021.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5021.5 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 B2PLYP=FULLultrafine/6-311+G(3df,2p)
ABC
9.29262 0.53383 0.50483

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.110 0.000
Cl2 0.000 -0.582 0.000
H3 -0.000 1.613 0.949
H4 -0.000 1.613 -0.949

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.69201.07361.0736
Cl21.69202.39082.3908
H31.07362.39081.8974
H41.07362.39081.8974

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 117.912 Br2 C1 H4 117.912
H3 C1 H4 124.177
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B2PLYP=FULLultrafine/6-311+G(3df,2p)
 hartrees
Energy at 0K-499.334927
Energy at 298.15K 
HF Energy-499.190882
Nuclear repulsion energy45.610419
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 B2PLYP=FULLultrafine/6-311+G(3df,2p)
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 3200 3200 6.33 106.52 0.08 0.14
2 A1 1434 1434 9.33      
3 A1 855 855 31.91      
4 B1 190 190 69.58      
5 B2 3351 3351 0.41      
6 B2 1010 1010 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 5019.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5019.4 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 B2PLYP=FULLultrafine/6-311+G(3df,2p)
ABC
9.28574 0.53359 0.50460

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.111
Cl2 0.000 0.000 0.582
H3 0.000 0.949 -1.613
H4 0.000 -0.949 -1.613

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.69251.07361.0736
Cl21.69252.39082.3908
H31.07362.39081.8981
H41.07362.39081.8981

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 117.871 Br2 C1 H4 117.871
H3 C1 H4 124.259
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability