return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: M06-2X/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at M06-2X/6-31G*
 hartrees
Energy at 0K-538.671242
Energy at 298.15K-538.674927
HF Energy-538.671242
Nuclear repulsion energy94.002617
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 M06-2X/6-31G*
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' 3208 3038 2.54      
2 A' 3145 2978 11.55      
3 A' 1528 1447 0.43      
4 A' 1487 1408 3.93      
5 A' 1286 1218 22.05      
6 A' 1117 1057 9.75      
7 A' 648 614 101.79      
8 A' 581 550 20.29      
9 A' 314 298 14.97      
10 A" 3317 3141 4.29      
11 A" 3210 3040 2.49      
12 A" 1277 1209 0.06      
13 A" 1079 1022 0.95      
14 A" 778 737 1.89      
15 A" 294 279 1.43      

Unscaled Zero Point Vibrational Energy (zpe) 11633.9 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 11017.3 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 M06-2X/6-31G*
ABC
1.09403 0.19054 0.17344

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.467 0.824 0.000
C2 0.000 0.870 0.000
Cl3 0.705 -0.835 0.000
H4 -2.003 0.677 0.929
H5 -2.003 0.677 -0.929
H6 0.412 1.340 -0.892
H7 0.412 1.340 0.892

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.46732.73311.08251.08252.14272.1427
C21.46731.84522.21612.21611.08961.0896
Cl32.73311.84523.23753.23752.36992.3699
H41.08252.21613.23751.85753.09632.5044
H51.08252.21613.23751.85752.50443.0963
H62.14271.08962.36993.09632.50441.7847
H72.14271.08962.36992.50443.09631.7847

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 110.680 C1 C2 H6 113.026
C1 C2 H7 113.026 C2 C1 H4 119.955
C2 C1 H5 119.955 Cl3 C2 H6 104.757
Cl3 C2 H7 104.757 H4 C1 H5 118.181
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.284      
2 C -0.425      
3 Cl -0.106      
4 H 0.187      
5 H 0.187      
6 H 0.220      
7 H 0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.120 1.946 0.000 2.245
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.350 0.799 0.000
y 0.799 -26.148 0.000
z 0.000 0.000 -24.832
Traceless
 xyz
x 0.140 0.799 0.000
y 0.799 -1.057 0.000
z 0.000 0.000 0.917
Polar
3z2-r21.835
x2-y20.798
xy0.799
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.014 -1.096 0.000
y -1.096 4.750 0.000
z 0.000 0.000 3.732


<r2> (average value of r2) Å2
<r2> 73.914
(<r2>)1/2 8.597