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

using model chemistry: PBEPBEultrafine/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBEPBEultrafine/3-21G
 hartrees
Energy at 0K-535.808255
Energy at 298.15K-535.811739
HF Energy-535.808255
Nuclear repulsion energy89.819652
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 PBEPBEultrafine/3-21G
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' 3103 3075 1.13      
2 A' 3088 3060 3.01      
3 A' 1505 1491 0.70      
4 A' 1467 1453 10.28      
5 A' 1170 1159 4.39      
6 A' 1094 1084 0.65      
7 A' 751 745 63.79      
8 A' 313 310 35.30      
9 A' 265 263 8.66      
10 A" 3212 3183 3.05      
11 A" 3166 3137 0.04      
12 A" 1239 1228 0.06      
13 A" 984 975 0.06      
14 A" 797 789 5.10      
15 A" 344 341 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 11248.6 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 11146.3 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 PBEPBEultrafine/3-21G
ABC
0.98802 0.17356 0.15719

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.426 0.921 0.000
C2 0.000 1.025 0.000
Cl3 0.679 -0.943 0.000
H4 -1.973 0.800 0.938
H5 -1.973 0.800 -0.938
H6 0.478 1.380 -0.919
H7 0.478 1.380 0.919

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.42972.81211.09221.09222.16312.1631
C21.42972.08262.19602.19601.09501.0950
Cl32.81212.08263.30973.30972.50672.5067
H41.09222.19603.30971.87523.12882.5183
H51.09222.19603.30971.87522.51833.1288
H62.16311.09502.50673.12882.51831.8385
H72.16311.09502.50672.51833.12881.8385

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 104.857 C1 C2 H6 117.302
C1 C2 H7 117.302 C2 C1 H4 120.505
C2 C1 H5 120.505 Cl3 C2 H6 99.434
Cl3 C2 H7 99.434 H4 C1 H5 118.280
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.314      
2 C -0.535      
3 Cl -0.157      
4 H 0.231      
5 H 0.231      
6 H 0.272      
7 H 0.272      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.475 2.651 0.000 3.033
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.727 0.795 0.000
y 0.795 -26.652 0.000
z 0.000 0.000 -24.840
Traceless
 xyz
x 1.019 0.795 0.000
y 0.795 -1.869 0.000
z 0.000 0.000 0.849
Polar
3z2-r21.699
x2-y21.925
xy0.795
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.552 -1.900 0.000
y -1.900 5.335 0.000
z 0.000 0.000 3.172


<r2> (average value of r2) Å2
<r2> 79.218
(<r2>)1/2 8.900