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

using model chemistry: ROMP2/6-31G(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 ROMP2/6-31G(2df,p)
 hartrees
Energy at 0K-537.987967
Energy at 298.15K-537.991593
HF Energy-537.509542
Nuclear repulsion energy94.568805
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 ROMP2/6-31G(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' 3241 3241        
2 A' 3162 3162        
3 A' 1522 1522        
4 A' 1488 1488        
5 A' 1285 1285        
6 A' 1113 1113        
7 A' 697 697        
8 A' 613 613        
9 A' 311 311        
10 A" 3364 3364        
11 A" 3234 3234        
12 A" 1282 1282        
13 A" 1086 1086        
14 A" 788 788        
15 A" 205 205        

Unscaled Zero Point Vibrational Energy (zpe) 11694.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11694.8 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 ROMP2/6-31G(2df,p)
ABC
1.09731 0.19353 0.17594

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.471 0.798 0.000
C2 0.000 0.859 0.000
Cl3 0.708 -0.820 0.000
H4 -2.006 0.659 0.927
H5 -2.006 0.659 -0.927
H6 0.402 1.339 -0.889
H7 0.402 1.339 0.889

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.47212.71401.07941.07942.14232.1423
C21.47211.82192.21862.21861.08771.0877
Cl32.71401.82193.22613.22612.35492.3549
H41.07942.21863.22611.85443.09162.5018
H51.07942.21863.22611.85442.50183.0916
H62.14231.08772.35493.09162.50181.7790
H72.14231.08772.35492.50183.09161.7790

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 110.510 C1 C2 H6 112.772
C1 C2 H7 112.772 C2 C1 H4 120.016
C2 C1 H5 120.016 Cl3 C2 H6 105.264
Cl3 C2 H7 105.264 H4 C1 H5 118.405
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.295      
2 C -0.205      
3 Cl -0.205      
4 H 0.169      
5 H 0.169      
6 H 0.184      
7 H 0.184      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 73.287
(<r2>)1/2 8.561