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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-536.049064
Energy at 298.15K-536.052646
HF Energy-536.049064
Nuclear repulsion energy90.821031
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 B3PW91/3-21G
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' 3180 3057 1.44      
2 A' 3161 3038 3.79      
3 A' 1541 1482 1.34      
4 A' 1503 1445 10.18      
5 A' 1206 1159 2.43      
6 A' 1123 1079 5.51      
7 A' 740 711 73.53      
8 A' 378 364 41.90      
9 A' 285 274 14.49      
10 A" 3291 3164 2.58      
11 A" 3239 3113 0.03      
12 A" 1279 1229 0.08      
13 A" 1036 996 0.15      
14 A" 814 782 5.32      
15 A" 324 311 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 11550.0 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 11101.8 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 B3PW91/3-21G
ABC
1.02404 0.17678 0.16056

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.433 0.909 0.000
C2 0.000 0.984 0.000
Cl3 0.684 -0.922 0.000
H4 -1.976 0.798 0.932
H5 -1.976 0.798 -0.932
H6 0.464 1.361 -0.909
H7 0.464 1.361 0.909

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.43532.79961.08411.08412.15122.1512
C21.43532.02582.19292.19291.08751.0875
Cl32.79962.02583.30193.30192.46762.4676
H41.08412.19293.30191.86333.10762.5041
H51.08412.19293.30191.86332.50413.1076
H62.15121.08752.46763.10762.50411.8176
H72.15121.08752.46762.50413.10761.8176

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 106.730 C1 C2 H6 116.344
C1 C2 H7 116.344 C2 C1 H4 120.371
C2 C1 H5 120.371 Cl3 C2 H6 100.494
Cl3 C2 H7 100.494 H4 C1 H5 118.486
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.335      
2 C -0.575      
3 Cl -0.141      
4 H 0.241      
5 H 0.241      
6 H 0.285      
7 H 0.285      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.457 2.648 0.000 3.023
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.890 0.885 0.000
y 0.885 -26.664 0.000
z 0.000 0.000 -24.794
Traceless
 xyz
x 0.839 0.885 0.000
y 0.885 -1.822 0.000
z 0.000 0.000 0.983
Polar
3z2-r21.965
x2-y21.774
xy0.885
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.142 -1.730 0.000
y -1.730 5.115 0.000
z 0.000 0.000 3.120


<r2> (average value of r2) Å2
<r2> 78.018
(<r2>)1/2 8.833