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: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-538.761198
Energy at 298.15K-538.764647
HF Energy-538.761198
Nuclear repulsion energy94.296808
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 B3LYP/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 3237 3109 8.97      
2 A 3120 2996 13.20      
3 A 3073 2951 16.22      
4 A 2993 2875 22.42      
5 A 1512 1452 2.63      
6 A 1492 1433 7.81      
7 A 1436 1379 3.99      
8 A 1319 1266 44.09      
9 A 1126 1082 3.60      
10 A 1048 1006 23.06      
11 A 1016 976 0.87      
12 A 726 697 32.17      
13 A 391 376 25.16      
14 A 320 307 11.92      
15 A 155 149 0.82      

Unscaled Zero Point Vibrational Energy (zpe) 11481.7 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 11025.9 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 B3LYP/6-31G*
ABC
1.40892 0.18160 0.16612

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.453 0.600 -0.069
C2 1.658 -0.266 0.009
Cl3 -1.122 -0.128 0.006
H4 0.460 1.656 0.175
H5 1.606 -1.092 -0.710
H6 2.553 0.328 -0.208
H7 1.788 -0.715 1.008

Atom - Atom Distances (Å)
  C1 C2 Cl3 H4 H5 H6 H7
C11.48571.73631.08342.14572.12202.1612
C21.48572.78262.27021.09681.09571.1028
Cl31.73632.78262.38992.98013.70863.1324
H41.08342.27022.38993.10592.50792.8418
H52.14571.09682.98013.10591.77901.7686
H62.12201.09573.70862.50791.77901.7748
H72.16121.10283.13242.84181.76861.7748

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 111.487 C1 C2 H6 109.656
C1 C2 H7 112.370 C2 C1 Cl3 119.250
C2 C1 H4 123.414 H5 C2 H6 108.464
H5 C2 H7 107.039 H6 C2 H7 107.663
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.223      
2 C -0.453      
3 Cl -0.024      
4 H 0.186      
5 H 0.177      
6 H 0.166      
7 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.589 0.378 0.251 1.653
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.705 0.269 0.058
y 0.269 -24.565 0.389
z 0.058 0.389 -26.380
Traceless
 xyz
x 0.768 0.269 0.058
y 0.269 0.977 0.389
z 0.058 0.389 -1.745
Polar
3z2-r2-3.490
x2-y2-0.139
xy0.269
xz0.058
yz0.389


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.119 0.423 0.003
y 0.423 4.145 0.019
z 0.003 0.019 3.084


<r2> (average value of r2) Å2
<r2> 76.393
(<r2>)1/2 8.740