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

using model chemistry: ROMP2/TZVP

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/TZVP
 hartrees
Energy at 0K-537.964425
Energy at 298.15K-537.968103
HF Energy-537.547290
Nuclear repulsion energy94.353895
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/TZVP
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' 3228 3228        
2 A' 3157 3157        
3 A' 1529 1529        
4 A' 1495 1495        
5 A' 1328 1328        
6 A' 1115 1115        
7 A' 707 707        
8 A' 626 626        
9 A' 314 314        
10 A" 3348 3348        
11 A" 3228 3228        
12 A" 1296 1296        
13 A" 1106 1106        
14 A" 802 802        
15 A" 217 217        

Unscaled Zero Point Vibrational Energy (zpe) 11747.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11747.7 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/TZVP
ABC
1.10514 0.19173 0.17463

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.467 0.815 0.000
C2 0.000 0.861 0.000
Cl3 0.707 -0.829 0.000
H4 -2.002 0.677 0.926
H5 -2.002 0.677 -0.926
H6 0.396 1.341 -0.889
H7 0.396 1.341 0.889

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.46782.72531.07831.07832.13082.1308
C21.46781.83212.21342.21341.08531.0853
Cl32.72531.83213.23473.23472.36592.3659
H41.07832.21343.23471.85233.08022.4888
H51.07832.21343.23471.85232.48883.0802
H62.13081.08532.36593.08022.48881.7780
H72.13081.08532.36592.48883.08021.7780

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 110.868 C1 C2 H6 112.274
C1 C2 H7 112.274 C2 C1 H4 119.988
C2 C1 H5 119.988 Cl3 C2 H6 105.502
Cl3 C2 H7 105.502 H4 C1 H5 118.388
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROMP2/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.226      
2 C -0.002      
3 Cl -0.222      
4 H 0.114      
5 H 0.114      
6 H 0.111      
7 H 0.111      


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> 73.855
(<r2>)1/2 8.594