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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-28.330326
Energy at 298.15K-28.333996
HF Energy-27.951664
Nuclear repulsion energy37.568430
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' 3203 3051 5.56      
2 A' 3139 2991 19.73      
3 A' 1535 1463 0.56      
4 A' 1502 1431 3.72      
5 A' 1321 1259 28.40      
6 A' 1101 1049 8.62      
7 A' 704 671 111.78      
8 A' 625 596 6.74      
9 A' 310 296 13.98      
10 A" 3328 3171 7.25      
11 A" 3219 3067 6.26      
12 A" 1295 1234 0.00      
13 A" 1102 1050 1.25      
14 A" 793 756 1.17      
15 A" 229 218 2.93      

Unscaled Zero Point Vibrational Energy (zpe) 11703.1 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 11150.7 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
1.07488 0.19077 0.17320

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 -1.485 0.803 0.000
C2 0.000 0.870 0.000
Cl3 0.715 -0.824 0.000
H4 -2.015 0.633 0.930
H5 -2.015 0.633 -0.930
H6 0.392 1.354 -0.895
H7 0.392 1.354 0.895

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.48682.73671.08401.08402.15162.1516
C21.48681.83912.23182.23181.09051.0905
Cl32.73671.83913.23123.23122.37722.3772
H41.08402.23183.23121.86103.10572.5127
H51.08402.23183.23121.86102.51273.1057
H62.15161.09052.37723.10572.51271.7904
H72.15161.09052.37722.51273.10571.7904

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 110.291 C1 C2 H6 112.279
C1 C2 H7 112.279 C2 C1 H4 119.667
C2 C1 H5 119.667 Cl3 C2 H6 105.613
Cl3 C2 H7 105.613 H4 C1 H5 118.276
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability