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

using model chemistry: HF/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 HF/CEP-121G
 hartrees
Energy at 0K-27.902295
Energy at 298.15K-27.906003
HF Energy-27.902295
Nuclear repulsion energy37.027974
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 HF/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' 3276 2990 18.74      
2 A' 3261 2976 15.32      
3 A' 1622 1480 1.17      
4 A' 1572 1434 3.61      
5 A' 1373 1253 24.66      
6 A' 1142 1042 7.64      
7 A' 691 631 94.96      
8 A' 509 465 37.78      
9 A' 321 293 14.95      
10 A" 3397 3100 23.06      
11 A" 3364 3070 1.51      
12 A" 1355 1236 0.00      
13 A" 1149 1048 0.86      
14 A" 841 768 0.94      
15 A" 264 241 2.31      

Unscaled Zero Point Vibrational Energy (zpe) 12068.5 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 11012.5 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 HF/CEP-121G
ABC
1.06479 0.17933 0.16338

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.482 0.878 0.000
C2 0.000 0.917 0.000
Cl3 0.710 -0.880 0.000
H4 -2.018 0.753 0.925
H5 -2.018 0.753 -0.925
H6 0.427 1.345 -0.891
H7 0.427 1.345 0.891

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.48252.81031.07651.07652.15812.1581
C21.48251.93312.22592.22591.07651.0765
Cl32.81031.93313.31153.31152.41352.4135
H41.07652.22593.31151.85073.10282.5159
H51.07652.22593.31151.85072.51593.1028
H62.15811.07652.41353.10282.51591.7820
H72.15811.07652.41352.51593.10281.7820

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 110.026 C1 C2 H6 114.039
C1 C2 H7 114.039 C2 C1 H4 120.039
C2 C1 H5 120.039 Cl3 C2 H6 102.901
Cl3 C2 H7 102.901 H4 C1 H5 118.534
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.173      
2 C -0.398      
3 Cl -0.136      
4 H 0.153      
5 H 0.153      
6 H 0.200      
7 H 0.200      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.358 2.681 0.000 3.005
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.460 1.387 0.000
y 1.387 -26.470 0.000
z 0.000 0.000 -24.497
Traceless
 xyz
x 0.023 1.387 0.000
y 1.387 -1.491 0.000
z 0.000 0.000 1.467
Polar
3z2-r22.935
x2-y21.010
xy1.387
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.699 -1.384 0.000
y -1.384 5.537 0.000
z 0.000 0.000 3.450


<r2> (average value of r2) Å2
<r2> 56.663
(<r2>)1/2 7.527