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

using model chemistry: MP2/CEP-121G

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-121G
 hartrees
Energy at 0K-28.100869
Energy at 298.15K-28.104539
HF Energy-27.901254
Nuclear repulsion energy36.611511
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-121G
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' 3117 3042 7.44      
2 A' 3075 3001 22.67      
3 A' 1519 1483 0.47      
4 A' 1490 1454 4.06      
5 A' 1319 1287 29.72      
6 A' 1084 1058 13.86      
7 A' 703 687 109.11      
8 A' 554 541 36.78      
9 A' 301 294 11.93      
10 A" 3252 3173 15.63      
11 A" 3171 3095 7.50      
12 A" 1291 1260 0.03      
13 A" 1086 1060 0.97      
14 A" 792 773 1.35      
15 A" 256 250 2.12      

Unscaled Zero Point Vibrational Energy (zpe) 11504.5 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 11228.4 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/CEP-121G
ABC
1.04485 0.17554 0.16008

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.497 0.888 0.000
C2 0.000 0.923 0.000
Cl3 0.719 -0.889 0.000
H4 -2.040 0.760 0.937
H5 -2.040 0.760 -0.937
H6 0.422 1.367 -0.907
H7 0.422 1.367 0.907

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.49722.84031.09081.09082.17622.1762
C21.49721.94952.25072.25071.09491.0949
Cl32.84031.94953.34753.34752.45012.4501
H41.09082.25073.34751.87463.13582.5362
H51.09082.25073.34751.87462.53623.1358
H62.17621.09492.45013.13582.53621.8144
H72.17621.09492.45012.53623.13581.8144

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 110.298 C1 C2 H6 113.270
C1 C2 H7 113.270 C2 C1 H4 120.021
C2 C1 H5 120.021 Cl3 C2 H6 103.596
Cl3 C2 H7 103.596 H4 C1 H5 118.476
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability