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: TPSSh/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at TPSSh/6-311+G(3df,2p)
 hartrees
Energy at 0K-538.830205
Energy at 298.15K-538.833619
HF Energy-538.830205
Nuclear repulsion energy94.944354
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 TPSSh/6-311+G(3df,2p)
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 3202 3202 5.95      
2 A 3093 3093 13.54      
3 A 3044 3044 14.73      
4 A 2970 2970 23.29      
5 A 1491 1491 2.99      
6 A 1472 1472 8.06      
7 A 1411 1411 3.91      
8 A 1295 1295 38.11      
9 A 1113 1113 4.04      
10 A 1034 1034 18.26      
11 A 997 997 0.51      
12 A 729 729 25.78      
13 A 370 370 16.72      
14 A 310 310 14.39      
15 A 146 146 1.04      

Unscaled Zero Point Vibrational Energy (zpe) 11338.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11338.7 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 TPSSh/6-311+G(3df,2p)
ABC
1.42004 0.18443 0.16855

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.443 0.597 -0.062
C2 1.648 -0.264 0.008
Cl3 -1.112 -0.129 0.005
H4 0.448 1.656 0.154
H5 1.598 -1.077 -0.720
H6 2.539 0.333 -0.197
H7 1.771 -0.723 0.998

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.48261.71721.08052.13822.11682.1517
C21.48262.76322.26871.09301.09181.0989
Cl31.71722.76322.37472.96143.68553.1065
H41.08052.26872.37473.09182.49902.8498
H52.13821.09302.96143.09181.77481.7636
H62.11681.09183.68552.49901.77481.7703
H72.15171.09893.10652.84981.76361.7703

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 111.335 C1 C2 H6 109.687
C1 C2 H7 112.066 C2 C1 Cl3 119.256
C2 C1 H4 123.778 H5 C2 H6 108.649
H5 C2 H7 107.145 H6 C2 H7 107.823
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.265      
2 C -0.005      
3 Cl -0.169      
4 H 0.112      
5 H 0.114      
6 H 0.100      
7 H 0.113      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.544 0.347 0.204 1.596
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.545 0.215 0.000
y 0.215 5.600 -0.063
z 0.000 -0.063 4.936


<r2> (average value of r2) Å2
<r2> 75.751
(<r2>)1/2 8.703