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

using model chemistry: MP2/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/STO-3G
 hartrees
Energy at 0K-493.128740
Energy at 298.15K 
HF Energy-493.081881
Nuclear repulsion energy43.642763
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/STO-3G
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' 3440 2999 0.58      
2 A' 1566 1365 25.51      
3 A' 928 809 28.60      
4 A' 767 669 8.43      
5 A" 3630 3165 0.08      
6 A" 1083 944 3.46      

Unscaled Zero Point Vibrational Energy (zpe) 5706.3 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 4975.3 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/STO-3G
ABC
8.54866 0.48470 0.46277

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/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
C11.78291.10131.1013
Cl21.78292.45692.4569
H31.10132.45691.8954
H41.10132.45691.8954

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 114.759 Br2 C1 H4 114.759
H3 C1 H4 118.754
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at MP2/STO-3G
 hartrees
Energy at 0K-493.126777
Energy at 298.15K 
HF Energy-493.080580
Nuclear repulsion energy43.752890
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/STO-3G
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 3473 3029 0.97      
2 A1 1543 1346 36.01      
3 A1 938 818 25.14      
4 B1 616i 537i 32.71      
5 B2 3680 3208 1.78      
6 B2 1039 906 3.52      

Unscaled Zero Point Vibrational Energy (zpe) 5028.6 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 4384.4 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 MP2/STO-3G
ABC
8.93619 0.48728 0.46209

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.165
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
C11.77311.09581.0958
Cl21.77312.48392.4839
H31.09582.48391.9348
H41.09582.48391.9348

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 118.014 Br2 C1 H4 118.014
H3 C1 H4 123.972
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability