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

using model chemistry: MP4/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-498.904039
Energy at 298.15K 
HF Energy-498.516286
Nuclear repulsion energy45.350384
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/aug-cc-pVTZ
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' 3193 3107        
2 A' 1423 1385        
3 A' 848 826        
4 A' 177 172        
5 A" 3343 3253        
6 A" 999 972        

Unscaled Zero Point Vibrational Energy (zpe) 4991.1 cm-1
Scaled (by 0.9732) Zero Point Vibrational Energy (zpe) 4857.4 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 MP4/aug-cc-pVTZ
ABC
9.19504 0.52704 0.49876

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.006 1.119 0.000
Cl2 0.006 -0.585 0.000
H3 -0.072 1.617 0.951
H4 -0.072 1.617 -0.951

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70411.07631.0763
Cl21.70412.39962.3996
H31.07632.39961.9023
H41.07632.39961.9023

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 117.532 Br2 C1 H4 117.532
H3 C1 H4 124.190
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at MP4/aug-cc-pVTZ
 hartrees
Energy at 0K-498.904032
Energy at 298.15K 
HF Energy-498.516219
Nuclear repulsion energy45.362927
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/aug-cc-pVTZ
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 3195 3109        
2 A1 1422 1384        
3 A1 850 827        
4 B1 144i 141i        
5 B2 3346 3256        
6 B2 997 970        

Unscaled Zero Point Vibrational Energy (zpe) 4832.0 cm-1
Scaled (by 0.9732) Zero Point Vibrational Energy (zpe) 4702.5 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 MP4/aug-cc-pVTZ
ABC
9.21414 0.52742 0.49887

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.118
Cl2 0.000 0.000 0.585
H3 0.000 0.953 -1.618
H4 0.000 -0.953 -1.618

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.70321.07611.0761
Cl21.70322.40072.4007
H31.07612.40071.9054
H41.07612.40071.9054

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 117.706 Br2 C1 H4 117.706
H3 C1 H4 124.588
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability