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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-538.776286
Energy at 298.15K-538.779877
HF Energy-538.776286
Nuclear repulsion energy93.850090
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 mPW1PW91/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3183 3050 3.46      
2 A' 3125 2995 10.87      
3 A' 1483 1421 0.40      
4 A' 1447 1386 5.18      
5 A' 1225 1174 12.02      
6 A' 1116 1070 9.31      
7 A' 680 651 83.04      
8 A' 569 546 22.29      
9 A' 305 292 12.88      
10 A" 3302 3164 3.75      
11 A" 3198 3065 1.34      
12 A" 1245 1193 0.36      
13 A" 1052 1008 0.60      
14 A" 779 747 1.31      
15 A" 213 204 1.01      

Unscaled Zero Point Vibrational Energy (zpe) 11460.8 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 10982.9 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 mPW1PW91/aug-cc-pVDZ
ABC
1.08848 0.19027 0.17322

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.462 0.821 0.000
C2 0.000 0.876 0.000
Cl3 0.703 -0.839 0.000
H4 -2.007 0.707 0.934
H5 -2.007 0.707 -0.934
H6 0.418 1.337 -0.898
H7 0.418 1.337 0.898

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.46292.72821.08761.08762.14622.1462
C21.46291.85332.22042.22041.09291.0929
Cl32.72821.85333.25713.25712.37162.3716
H41.08762.22043.25711.86813.10412.5058
H51.08762.22043.25711.86812.50583.1041
H62.14621.09292.37163.10412.50581.7967
H72.14621.09292.37162.50583.10411.7967

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 110.152 C1 C2 H6 113.434
C1 C2 H7 113.434 C2 C1 H4 120.332
C2 C1 H5 120.332 Cl3 C2 H6 104.225
Cl3 C2 H7 104.225 H4 C1 H5 118.367
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.684      
2 C -0.019      
3 Cl -0.113      
4 H -0.244      
5 H -0.244      
6 H -0.032      
7 H -0.032      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.000 1.863 0.000 2.114
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.766 0.786 0.000
y 0.786 -26.438 0.000
z 0.000 0.000 -25.059
Traceless
 xyz
x -0.018 0.786 0.000
y 0.786 -1.025 0.000
z 0.000 0.000 1.043
Polar
3z2-r22.086
x2-y20.672
xy0.786
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.894 -1.216 0.000
y -1.216 6.684 0.000
z 0.000 0.000 5.196


<r2> (average value of r2) Å2
<r2> 74.267
(<r2>)1/2 8.618