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

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-27.896788
Energy at 298.15K-27.900475
HF Energy-27.896788
Nuclear repulsion energy36.916523
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-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' 3339 3010 27.44      
2 A' 3330 3002 27.62      
3 A' 1632 1472 1.48      
4 A' 1577 1422 3.89      
5 A' 1376 1241 28.76      
6 A' 1155 1041 7.77      
7 A' 699 630 120.20      
8 A' 512 462 35.22      
9 A' 320 288 15.83      
10 A" 3458 3117 44.44      
11 A" 3424 3087 2.27      
12 A" 1352 1219 0.00      
13 A" 1143 1030 1.07      
14 A" 846 763 2.50      
15 A" 262 236 2.61      

Unscaled Zero Point Vibrational Energy (zpe) 12212.9 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 11008.7 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 HF/CEP-31G
ABC
1.05482 0.17869 0.16268

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.491 0.874 0.000
C2 0.000 0.919 0.000
Cl3 0.715 -0.879 0.000
H4 -2.027 0.743 0.929
H5 -2.027 0.743 -0.929
H6 0.426 1.350 -0.894
H7 0.426 1.350 0.894

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.49132.81691.08031.08032.16742.1674
C21.49131.93442.23662.23661.07991.0799
Cl32.81691.93443.31803.31802.41902.4190
H41.08032.23663.31801.85703.11542.5270
H51.08032.23663.31801.85702.52703.1154
H62.16741.07992.41903.11542.52701.7877
H72.16741.07992.41902.52703.11541.7877

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 109.954 C1 C2 H6 113.945
C1 C2 H7 113.945 C2 C1 H4 120.001
C2 C1 H5 120.001 Cl3 C2 H6 103.049
Cl3 C2 H7 103.049 H4 C1 H5 118.517
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.222      
2 C -0.263      
3 Cl -0.182      
4 H 0.160      
5 H 0.160      
6 H 0.174      
7 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.436 2.707 0.000 3.064
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.521 1.536 0.000
y 1.536 -26.518 0.000
z 0.000 0.000 -24.324
Traceless
 xyz
x -0.100 1.536 0.000
y 1.536 -1.595 0.000
z 0.000 0.000 1.695
Polar
3z2-r23.390
x2-y20.997
xy1.536
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.277 -1.500 0.000
y -1.500 5.303 0.000
z 0.000 0.000 2.729


<r2> (average value of r2) Å2
<r2> 56.852
(<r2>)1/2 7.540