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 CH2CHCH3 (Propene)

using model chemistry: PBEPBE/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/CEP-121G*
 hartrees
Energy at 0K-20.525728
Energy at 298.15K-20.531232
HF Energy-20.525728
Nuclear repulsion energy40.032982
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 PBEPBE/CEP-121G*
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' 3144 3144 27.87      
2 A' 3059 3059 27.71      
3 A' 3050 3050 31.22      
4 A' 3038 3038 0.62      
5 A' 2947 2947 29.94      
6 A' 1647 1647 14.82      
7 A' 1456 1456 15.28      
8 A' 1399 1399 1.74      
9 A' 1359 1359 2.07      
10 A' 1271 1271 0.12      
11 A' 1147 1147 0.42      
12 A' 907 907 4.69      
13 A' 901 901 2.16      
14 A' 406 406 1.02      
15 A" 3006 3006 26.53      
16 A" 1442 1442 9.54      
17 A" 1020 1020 1.97      
18 A" 983 983 17.70      
19 A" 875 875 50.18      
20 A" 561 561 14.42      
21 A" 201 201 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 16909.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16909.1 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 PBEPBE/CEP-121G*
ABC
1.52748 0.30321 0.26564

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.152 -0.501 0.000
C2 0.000 0.480 0.000
C3 1.307 0.141 0.000
H4 1.628 -0.910 0.000
H5 2.098 0.901 0.000
H6 -0.270 1.548 0.000
H7 -0.795 -1.545 0.000
H8 -1.798 -0.356 0.887
H9 -1.798 -0.356 -0.887

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.51242.54112.80993.53922.23041.10381.10711.1071
C21.51241.35042.14102.14021.10202.17572.17192.1719
C32.54111.35041.09921.09712.11382.69513.26733.2673
H42.80992.14101.09921.87133.10612.50533.58243.5824
H53.53922.14021.09711.87132.45513.78914.18894.1889
H62.23041.10202.11383.10612.45513.13782.59722.5972
H71.10382.17572.69512.50533.78913.13781.79111.7911
H81.10712.17193.26733.58244.18892.59721.79111.7741
H91.10712.17193.26733.58244.18892.59721.79111.7741

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.057 C1 C2 H6 116.228
C2 C1 H7 111.578 C2 C1 H8 111.076
C2 C1 H9 111.076 C2 C3 H4 121.516
C2 C3 H5 121.611 C3 C2 H6 118.715
H4 C3 H5 116.873 H7 C1 H8 108.212
H7 C1 H9 108.212 H8 C1 H9 106.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.627      
2 C 0.052      
3 C -0.455      
4 H 0.161      
5 H 0.158      
6 H 0.161      
7 H 0.184      
8 H 0.183      
9 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.421 -0.032 0.000 0.422
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.977 -0.167 0.000
y -0.167 -18.908 0.000
z 0.000 0.000 -21.962
Traceless
 xyz
x 1.458 -0.167 0.000
y -0.167 1.561 0.000
z 0.000 0.000 -3.020
Polar
3z2-r2-6.039
x2-y2-0.069
xy-0.167
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.554 -0.049 0.000
y -0.049 5.170 0.000
z 0.000 0.000 3.651


<r2> (average value of r2) Å2
<r2> 49.079
(<r2>)1/2 7.006