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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-535.281026
Energy at 298.15K-535.284671
HF Energy-534.986673
Nuclear repulsion energy93.251650
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 MP2/3-21G*
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' 3213 3056 3.81      
2 A' 3156 3002 9.70      
3 A' 1580 1503 4.11      
4 A' 1554 1478 1.81      
5 A' 1335 1270 15.81      
6 A' 1060 1008 7.23      
7 A' 665 632 111.28      
8 A' 586 558 5.42      
9 A' 320 304 12.44      
10 A" 3327 3165 5.05      
11 A" 3220 3063 2.00      
12 A" 1334 1269 0.10      
13 A" 1118 1064 0.61      
14 A" 822 782 3.14      
15 A" 225 214 1.75      

Unscaled Zero Point Vibrational Energy (zpe) 11757.0 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 11184.5 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 MP2/3-21G*
ABC
1.07022 0.18763 0.17047

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.486 0.821 0.000
C2 0.000 0.882 0.000
Cl3 0.715 -0.839 0.000
H4 -2.017 0.664 0.930
H5 -2.017 0.664 -0.930
H6 0.401 1.356 -0.894
H7 0.401 1.356 0.894

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.48722.75641.08221.08222.15552.1555
C21.48721.86302.23162.23161.08911.0891
Cl32.75641.86303.25353.25352.39112.3911
H41.08222.23163.25351.85963.10692.5152
H51.08222.23163.25351.85962.51523.1069
H62.15551.08912.39113.10692.51521.7889
H72.15551.08912.39112.51523.10691.7889

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 110.226 C1 C2 H6 112.669
C1 C2 H7 112.669 C2 C1 H4 119.751
C2 C1 H5 119.751 Cl3 C2 H6 105.153
Cl3 C2 H7 105.153 H4 C1 H5 118.441
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability