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

using model chemistry: ROMP2/6-31G*

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*
 hartrees
Energy at 0K-537.864278
Energy at 298.15K-537.867934
HF Energy-537.494718
Nuclear repulsion energy94.405333
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*
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' 3248 3248        
2 A' 3168 3168        
3 A' 1558 1558        
4 A' 1527 1527        
5 A' 1340 1340        
6 A' 1128 1128        
7 A' 708 708        
8 A' 617 617        
9 A' 319 319        
10 A" 3364 3364        
11 A" 3237 3237        
12 A" 1315 1315        
13 A" 1121 1121        
14 A" 808 808        
15 A" 211 211        

Unscaled Zero Point Vibrational Energy (zpe) 11834.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11834.7 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 ROMP2/6-31G*
ABC
1.10477 0.19206 0.17492

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.474 0.809 0.000
C2 0.000 0.854 0.000
Cl3 0.710 -0.823 0.000
H4 -2.012 0.665 0.928
H5 -2.012 0.665 -0.928
H6 0.398 1.342 -0.890
H7 0.398 1.342 0.890

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.47432.72601.08181.08182.13962.1396
C21.47431.82122.22322.22321.08971.0897
Cl32.72601.82123.23763.23762.36132.3613
H41.08182.22323.23761.85513.09272.5029
H51.08182.22323.23761.85512.50293.0927
H62.13961.08972.36133.09272.50291.7791
H72.13961.08972.36132.50293.09271.7791

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 111.187 C1 C2 H6 112.247
C1 C2 H7 112.247 C2 C1 H4 120.072
C2 C1 H5 120.072 Cl3 C2 H6 105.663
Cl3 C2 H7 105.663 H4 C1 H5 118.050
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.320      
2 C -0.392      
3 Cl -0.124      
4 H 0.196      
5 H 0.196      
6 H 0.223      
7 H 0.223      


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> 73.732
(<r2>)1/2 8.587