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All results from a given calculation for CH2CH2Cl (2-chloroethyl radical)

using model chemistry: MP2/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at MP2/CEP-31G
 hartrees
Energy at 0K-28.070369
Energy at 298.15K-28.074014
HF Energy-27.895028
Nuclear repulsion energy36.409525
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/CEP-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' 3174 3067 13.03      
2 A' 3128 3023 36.72      
3 A' 1526 1475 0.31      
4 A' 1491 1441 4.39      
5 A' 1320 1276 32.06      
6 A' 1095 1058 14.42      
7 A' 698 675 135.72      
8 A' 567 548 24.22      
9 A' 302 292 12.27      
10 A" 3306 3195 31.21      
11 A" 3226 3117 12.55      
12 A" 1291 1247 0.04      
13 A" 1084 1047 1.12      
14 A" 802 775 3.36      
15 A" 250 241 2.36      

Unscaled Zero Point Vibrational Energy (zpe) 11629.9 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 11238.0 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 MP2/CEP-31G
ABC
1.03415 0.17416 0.15882

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.513 0.885 0.000
C2 0.000 0.919 0.000
Cl3 0.727 -0.886 0.000
H4 -2.060 0.748 0.944
H5 -2.060 0.748 -0.944
H6 0.421 1.375 -0.913
H7 0.421 1.375 0.913

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.51342.85551.09941.09942.19382.1938
C21.51341.94632.27252.27251.10361.1036
Cl32.85551.94633.36623.36622.45762.4576
H41.09942.27253.36621.88753.16142.5590
H51.09942.27253.36621.88752.55903.1614
H62.19381.10362.45763.16142.55901.8257
H72.19381.10362.45762.55903.16141.8257

picture of 2-chloroethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl3 110.626 C1 C2 H6 112.988
C1 C2 H7 112.988 C2 C1 H4 120.029
C2 C1 H5 120.029 Cl3 C2 H6 103.922
Cl3 C2 H7 103.922 H4 C1 H5 118.280
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability