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

using model chemistry: MP2=FULL/STO-3G

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 MP2=FULL/STO-3G
 hartrees
Energy at 0K-493.129125
Energy at 298.15K 
HF Energy-493.081886
Nuclear repulsion energy43.647659
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 MP2=FULL/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3440 3058 0.58      
2 A' 1566 1392 25.51      
3 A' 928 825 28.61      
4 A' 766 681 8.43      
5 A" 3630 3227 0.07      
6 A" 1083 963 3.46      

Unscaled Zero Point Vibrational Energy (zpe) 5707.0 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 5072.9 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 MP2=FULL/STO-3G
ABC
8.55080 0.48481 0.46287

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.026 1.175 0.000
Cl2 -0.026 -0.607 0.000
H3 0.294 1.637 0.948
H4 0.294 1.637 -0.948

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.78271.10121.1012
Cl21.78272.45672.4567
H31.10122.45671.8952
H41.10122.45671.8952

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 114.768 Br2 C1 H4 114.768
H3 C1 H4 118.747
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-493.127166
Energy at 298.15K 
HF Energy-493.080585
Nuclear repulsion energy43.757726
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 MP2=FULL/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3474 3088 0.97      
2 A1 1544 1372 35.98      
3 A1 938 834 25.15      
4 B1 616i 548i 32.68      
5 B2 3680 3271 1.77      
6 B2 1039 924 3.52      

Unscaled Zero Point Vibrational Energy (zpe) 5029.7 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 4470.9 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 MP2=FULL/STO-3G
ABC
8.93817 0.48739 0.46219

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.164
Cl2 0.000 0.000 0.609
H3 0.000 0.967 -1.679
H4 0.000 -0.967 -1.679

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4
C11.77291.09581.0958
Cl21.77292.48382.4838
H31.09582.48381.9346
H41.09582.48381.9346

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 118.020 Br2 C1 H4 118.020
H3 C1 H4 123.960
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability