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: PBE1PBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at PBE1PBE/6-311G**
 hartrees
Energy at 0K-117.099571
Energy at 298.15K-117.103549
HF Energy-117.099571
Nuclear repulsion energy64.403784
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 PBE1PBE/6-311G**
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' 3266 3133 0.49      
2 A' 3150 3022 15.84      
3 A' 3049 2925 12.71      
4 A' 3043 2919 24.41      
5 A' 1707 1638 2.82      
6 A' 1479 1419 11.62      
7 A' 1398 1341 2.73      
8 A' 1268 1216 1.66      
9 A' 1118 1072 5.91      
10 A' 943 904 3.84      
11 A' 800 768 17.55      
12 A' 407 390 8.66      
13 A" 3106 2980 18.55      
14 A" 1479 1419 9.47      
15 A" 1058 1015 1.60      
16 A" 829 795 2.04      
17 A" 617 592 67.48      
18 A" 198 190 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 14455.5 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 13868.6 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 PBE1PBE/6-311G**
ABC
1.92905 0.31955 0.28882

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.443 0.000
C2 1.304 0.338 0.000
C3 -0.973 -0.697 0.000
H4 -0.436 1.449 0.000
H5 2.156 1.003 0.000
H6 -0.456 -1.657 0.000
H7 -1.623 -0.651 0.881
H8 -1.623 -0.651 -0.881

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.30791.49871.09722.22762.14892.14582.1458
C21.30792.50142.06461.08072.66063.21223.2122
C31.49872.50142.21243.56121.09111.09511.0951
H41.09722.06462.21242.63063.10672.56782.5678
H52.22761.08073.56122.63063.72804.21774.2177
H62.14892.66061.09113.10673.72801.77491.7749
H72.14583.21221.09512.56784.21771.77491.7612
H82.14583.21221.09512.56784.21771.77491.7612

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 137.489 C1 C3 H6 111.172
C1 C3 H7 110.682 C1 C3 H8 110.682
C2 C1 C3 125.933 C2 C1 H4 118.012
C3 C1 H4 116.055 H6 C3 H7 108.559
H6 C3 H8 108.559 H7 C3 H8 107.057
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.206      
2 C -0.142      
3 C -0.322      
4 H 0.130      
5 H 0.139      
6 H 0.134      
7 H 0.134      
8 H 0.134      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.568 0.471 0.000 0.738
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.061 1.178 0.000
y 1.178 -18.409 0.000
z 0.000 0.000 -20.906
Traceless
 xyz
x 1.596 1.178 0.000
y 1.178 1.074 0.000
z 0.000 0.000 -2.671
Polar
3z2-r2-5.341
x2-y20.348
xy1.178
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.847 0.486 0.000
y 0.486 4.485 0.000
z 0.000 0.000 3.339


<r2> (average value of r2) Å2
<r2> 51.170
(<r2>)1/2 7.153