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: CID/6-311G*

19 10 17 12 22

States and conformations

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

Conformer 1 (CS)

Jump to S1C2
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-498.751728
Energy at 298.15K 
HF Energy-498.492976
Nuclear repulsion energy45.262040
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 CID/6-311G*
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' 3239 3009 9.76      
2 A' 1478 1373 12.25      
3 A' 868 806 38.09      
4 A' 282 262 80.35      
5 A" 3390 3150 0.57      
6 A" 1049 974 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 5151.9 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 4786.6 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 CID/6-311G*
ABC
9.17664 0.52458 0.49686

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 1.122 0.000
Cl2 -0.009 -0.586 0.000
H3 0.109 1.617 0.949
H4 0.109 1.617 -0.949

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70841.07671.0767
Cl21.70842.40172.4017
H31.07672.40171.8979
H41.07672.40171.8979

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 117.352 Br2 C1 H4 117.352
H3 C1 H4 123.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at CID/6-311G*
 hartrees
Energy at 0K-498.751698
Energy at 298.15K 
HF Energy-498.492790
Nuclear repulsion energy45.284893
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 CID/6-311G*
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 3245 3015 8.64      
2 A1 1476 1371 12.57      
3 A1 870 808 36.87      
4 B1 203i 188i 91.02      
5 B2 3400 3159 0.28      
6 B2 1043 969 0.66      

Unscaled Zero Point Vibrational Energy (zpe) 4916.1 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 4567.5 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 CID/6-311G*
ABC
9.23375 0.52515 0.49689

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.121
Cl2 0.000 0.000 0.586
H3 0.000 0.952 -1.622
H4 0.000 -0.952 -1.622

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70681.07591.0759
Cl21.70682.40492.4049
H31.07592.40491.9034
H41.07592.40491.9034

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 117.800 Br2 C1 H4 117.800
H3 C1 H4 124.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability