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: B3PW91/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/LANL2DZ
 hartrees
Energy at 0K-117.848272
Energy at 298.15K-117.853885
HF Energy-117.848272
Nuclear repulsion energy70.253314
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 B3PW91/LANL2DZ
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' 3271 3131 36.35      
2 A' 3181 3045 27.35      
3 A' 3163 3028 35.23      
4 A' 3152 3017 1.89      
5 A' 3042 2912 31.46      
6 A' 1719 1646 16.10      
7 A' 1521 1456 23.68      
8 A' 1471 1408 1.57      
9 A' 1436 1375 11.77      
10 A' 1335 1278 0.07      
11 A' 1210 1158 2.10      
12 A' 963 922 7.73      
13 A' 942 902 2.27      
14 A' 424 406 1.02      
15 A" 3120 2986 34.66      
16 A" 1510 1446 15.28      
17 A" 1089 1042 0.00      
18 A" 1038 994 19.02      
19 A" 984 942 86.04      
20 A" 596 571 20.56      
21 A" 194 185 0.84      

Unscaled Zero Point Vibrational Energy (zpe) 17679.7 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 16924.7 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 B3PW91/LANL2DZ
ABC
1.55064 0.30464 0.26731

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.150 -0.499 0.000
C2 0.000 0.476 0.000
C3 1.305 0.141 0.000
H4 1.630 -0.898 0.000
H5 2.087 0.897 0.000
H6 -0.271 1.534 0.000
H7 -0.799 -1.537 0.000
H8 -1.787 -0.351 0.883
H9 -1.787 -0.351 -0.883

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50752.53712.80903.52552.21431.09541.09881.0988
C21.50751.34712.13192.12941.09222.16522.15832.1583
C32.53711.34711.08891.08782.10322.69113.25333.2533
H42.80902.13191.08891.85193.08692.51213.57193.5719
H53.52552.12941.08781.85192.44333.77544.16544.1654
H62.21431.09222.10323.08692.44333.11522.57512.5751
H71.09542.16522.69112.51213.77543.11521.77771.7777
H81.09882.15833.25333.57194.16542.57511.77771.7660
H91.09882.15833.25333.57194.16542.57511.77771.7660

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.345 C1 C2 H6 115.886
C2 C1 H7 111.594 C2 C1 H8 110.835
C2 C1 H9 110.835 C2 C3 H4 121.772
C2 C3 H5 121.627 C3 C2 H6 118.769
H4 C3 H5 116.601 H7 C1 H8 108.227
H7 C1 H9 108.227 H8 C1 H9 106.954
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.698      
2 C -0.027      
3 C -0.534      
4 H 0.204      
5 H 0.209      
6 H 0.197      
7 H 0.215      
8 H 0.217      
9 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.468 -0.034 0.000 0.469
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.428 -0.178 0.000
y -0.178 -18.349 0.000
z 0.000 0.000 -21.796
Traceless
 xyz
x 1.644 -0.178 0.000
y -0.178 1.764 0.000
z 0.000 0.000 -3.408
Polar
3z2-r2-6.816
x2-y2-0.080
xy-0.178
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.645 -0.177 0.000
y -0.177 4.239 0.000
z 0.000 0.000 2.891


<r2> (average value of r2) Å2
<r2> 55.565
(<r2>)1/2 7.454