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

using model chemistry: MP4/3-21G

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 MP4/3-21G
 hartrees
Energy at 0K-496.193136
Energy at 298.15K 
HF Energy-496.052086
Nuclear repulsion energy42.692236
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 MP4/3-21G
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' 3179 3083        
2 A' 1428 1385        
3 A' 695 674        
4 A' 486 471        
5 A" 3343 3242        
6 A" 971 942        

Unscaled Zero Point Vibrational Energy (zpe) 5051.5 cm-1
Scaled (by 0.9698) Zero Point Vibrational Energy (zpe) 4899.0 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 MP4/3-21G
ABC
8.75136 0.45855 0.43746

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.018 1.215 0.000
Cl2 -0.018 -0.625 0.000
H3 0.202 1.668 0.958
H4 0.202 1.668 -0.958

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.84011.08191.0819
Cl21.84012.49432.4943
H31.08192.49431.9159
H41.08192.49431.9159

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 114.724 Br2 C1 H4 114.724
H3 C1 H4 124.609
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at MP4/3-21G
 hartrees
Energy at 0K-496.192794
Energy at 298.15K 
HF Energy-496.051802
Nuclear repulsion energy42.834064
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 MP4/3-21G
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 3103        
2 A1 1422 1379        
3 A1 696 675        
4 B1 367i 355i        
5 B2 3376 3274        
6 B2 953 924        

Unscaled Zero Point Vibrational Energy (zpe) 4640.2 cm-1
Scaled (by 0.9698) Zero Point Vibrational Energy (zpe) 4500.0 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 MP4/3-21G
ABC
8.93024 0.46210 0.43937

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.206
Cl2 0.000 0.000 0.624
H3 0.000 0.968 -1.685
H4 0.000 -0.968 -1.685

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.83031.07951.0795
Cl21.83032.50322.5032
H31.07952.50321.9355
H41.07952.50321.9355

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 116.300 Br2 C1 H4 116.300
H3 C1 H4 127.401
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability