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 CH3CHCH (1-propenyl 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 CS 2A'
Energy calculated at B3LYP/6-31G*
 hartrees
Energy at 0K-117.220384
Energy at 298.15K-117.224346
HF Energy-117.220384
Nuclear repulsion energy64.117236
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' 3257 3128 2.60      
2 A' 3140 3015 19.81      
3 A' 3041 2921 22.61      
4 A' 3032 2912 24.33      
5 A' 1704 1636 1.92      
6 A' 1514 1454 6.86      
7 A' 1433 1376 0.85      
8 A' 1288 1237 0.80      
9 A' 1126 1081 8.21      
10 A' 942 905 1.46      
11 A' 814 782 16.98      
12 A' 409 393 7.77      
13 A" 3089 2967 25.80      
14 A" 1514 1454 6.26      
15 A" 1074 1031 0.72      
16 A" 807 775 2.03      
17 A" 614 589 54.27      
18 A" 201 193 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 14500.0 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 13924.3 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 B3LYP/6-31G*
ABC
1.91491 0.31623 0.28585

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.446 0.000
C2 1.310 0.345 0.000
C3 -0.976 -0.705 0.000
H4 -0.449 1.449 0.000
H5 2.156 1.022 0.000
H6 -0.454 -1.666 0.000
H7 -1.628 -0.664 0.882
H8 -1.628 -0.664 -0.882

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.31351.50881.09932.23122.15992.15852.1585
C21.31352.51522.07671.08302.67493.22863.2286
C31.50882.51522.21743.57581.09341.09771.0977
H41.09932.07672.21742.63983.11492.57512.5751
H52.23121.08303.57582.63983.74604.23464.2346
H62.15992.67491.09343.11493.74601.77751.7775
H72.15853.22861.09772.57514.23461.77751.7647
H82.15853.22861.09772.57514.23461.77751.7647

picture of 1-propenyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 136.966 C1 C3 H6 111.201
C1 C3 H7 110.820 C1 C3 H8 110.820
C2 C1 C3 125.905 C2 C1 H4 118.520
C3 C1 H4 115.576 H6 C3 H7 108.433
H6 C3 H8 108.433 H7 C3 H8 106.992
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 -0.105      
2 C -0.199      
3 C -0.472      
4 H 0.142      
5 H 0.156      
6 H 0.163      
7 H 0.157      
8 H 0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.519 0.451 0.000 0.687
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.936 1.060 0.000
y 1.060 -18.191 0.000
z 0.000 0.000 -20.453
Traceless
 xyz
x 1.386 1.060 0.000
y 1.060 1.003 0.000
z 0.000 0.000 -2.389
Polar
3z2-r2-4.779
x2-y20.256
xy1.060
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.415 0.521 0.000
y 0.521 4.075 0.000
z 0.000 0.000 2.831


<r2> (average value of r2) Å2
<r2> 51.383
(<r2>)1/2 7.168