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

using model chemistry: MP4/6-31G*

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 MP4/6-31G*
 hartrees
Energy at 0K-498.730940
Energy at 298.15K 
HF Energy-498.460734
Nuclear repulsion energy45.176934
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 MP4/6-31G*
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' 3222 3077        
2 A' 1472 1405        
3 A' 866 826        
4 A' 292 279        
5 A" 3369 3216        
6 A" 1038 992        

Unscaled Zero Point Vibrational Energy (zpe) 5129.5 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 4897.7 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 MP4/6-31G*
ABC
9.12020 0.52295 0.49528

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.010 1.123 0.000
Cl2 0.010 -0.587 0.000
H3 -0.113 1.623 0.951
H4 -0.113 1.623 -0.951

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.71011.08201.0820
Cl21.71012.40962.4096
H31.08202.40961.9028
H41.08202.40961.9028

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 117.543 Br2 C1 H4 117.543
H3 C1 H4 123.119
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-498.730904
Energy at 298.15K 
HF Energy-498.460569
Nuclear repulsion energy45.203497
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 MP4/6-31G*
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 3230 3084        
2 A1 1472 1405        
3 A1 868 829        
4 B1 208i 199i        
5 B2 3379 3226        
6 B2 1034 987        

Unscaled Zero Point Vibrational Energy (zpe) 4887.1 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 4666.2 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 MP4/6-31G*
ABC
9.18145 0.52361 0.49536

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

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 0.587
H3 0.000 0.954 -1.629
H4 0.000 -0.954 -1.629

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70831.08121.0812
Cl21.70832.41312.4131
H31.08122.41311.9088
H41.08122.41311.9088

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 118.030 Br2 C1 H4 118.030
H3 C1 H4 123.940
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability