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 CHClCH3 (1-chloroethyl radical)

using model chemistry: wB97X-D/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at wB97X-D/6-31G
 hartrees
Energy at 0K-538.676349
Energy at 298.15K-538.679784
HF Energy-538.676349
Nuclear repulsion energy 
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 wB97X-D/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 3290 3290 4.96      
2 A 3157 3157 10.92      
3 A 3106 3106 14.78      
4 A 3024 3024 16.58      
5 A 1537 1537 7.01      
6 A 1516 1516 14.11      
7 A 1474 1474 12.93      
8 A 1311 1311 51.11      
9 A 1155 1155 4.32      
10 A 1070 1070 25.08      
11 A 1049 1049 1.81      
12 A 699 699 36.98      
13 A 369 369 23.41      
14 A 307 307 30.95      
15 A 162 162 1.76      

Unscaled Zero Point Vibrational Energy (zpe) 11612.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11612.3 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 wB97X-D/6-31G
ABC
1.37396 0.17596 0.16086

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.491 0.613 -0.062
C2 1.673 -0.277 0.009
Cl3 -1.144 -0.127 0.005
H4 0.489 1.671 0.159
H5 1.619 -1.075 -0.741
H6 2.582 0.305 -0.172
H7 1.773 -0.762 0.992

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.48141.79611.08112.14102.11602.1552
C21.48142.82132.28501.09601.09441.1008
Cl31.79612.82132.43413.01543.75513.1444
H41.08112.28502.43413.10322.52072.8747
H52.14101.09603.01543.10321.77661.7674
H62.11601.09443.75512.52071.77661.7742
H72.15521.10083.14442.87471.76741.7742

picture of 1-chloroethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.454 C1 C2 H6 109.544
C1 C2 H7 112.315 C2 C1 Cl3 118.494
C2 C1 H4 125.456 H5 C2 H6 108.398
H5 C2 H7 107.134 H6 C2 H7 107.845
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.308      
2 C -0.489      
3 Cl 0.013      
4 H 0.212      
5 H 0.196      
6 H 0.185      
7 H 0.191      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.109 0.503 0.281 2.186
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.998 0.069 0.084
y 0.069 -24.415 0.413
z 0.084 0.413 -26.568
Traceless
 xyz
x 0.493 0.069 0.084
y 0.069 1.368 0.413
z 0.084 0.413 -1.861
Polar
3z2-r2-3.723
x2-y2-0.583
xy0.069
xz0.084
yz0.413


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.005 0.574 -0.010
y 0.574 3.865 0.011
z -0.010 0.011 2.723


<r2> (average value of r2) Å2
<r2> 78.211
(<r2>)1/2 8.844