return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP3=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at MP3=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-538.063166
Energy at 298.15K-538.066825
HF Energy-537.514745
Nuclear repulsion energy94.689177
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 MP3=FULL/6-31G(2df,p)
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' 3252 3252 1.92      
2 A' 3187 3187 9.48      
3 A' 1541 1541 1.09      
4 A' 1500 1500 2.21      
5 A' 1303 1303 19.34      
6 A' 1119 1119 7.59      
7 A' 702 702 85.98      
8 A' 613 613 9.35      
9 A' 315 315 10.91      
10 A" 3367 3367 1.79      
11 A" 3252 3252 1.55      
12 A" 1301 1301 0.15      
13 A" 1098 1098 0.87      
14 A" 796 796 1.34      
15 A" 217 217 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 11781.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11781.3 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 MP3=FULL/6-31G(2df,p)
ABC
1.09902 0.19401 0.17631

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.472 0.797 0.000
C2 0.000 0.857 0.000
Cl3 0.708 -0.817 0.000
H4 -2.003 0.644 0.925
H5 -2.003 0.644 -0.925
H6 0.398 1.339 -0.886
H7 0.398 1.339 0.886

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.47302.71301.07791.07792.13842.1384
C21.47301.81842.21682.21681.08411.0841
Cl32.71301.81843.21603.21602.35232.3523
H41.07792.21683.21601.85033.08672.4998
H51.07792.21683.21601.85032.49983.0867
H62.13841.08412.35233.08672.49981.7719
H72.13841.08412.35232.49983.08671.7719

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 110.593 C1 C2 H6 112.612
C1 C2 H7 112.612 C2 C1 H4 119.895
C2 C1 H5 119.895 Cl3 C2 H6 105.469
Cl3 C2 H7 105.469 H4 C1 H5 118.240
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability