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: PBE1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-117.750917
Energy at 298.15K 
HF Energy-117.750917
Nuclear repulsion energy70.745454
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/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3266 3113 18.49 62.98 0.63 0.77
2 A' 3183 3034 5.09 143.25 0.12 0.22
3 A' 3173 3024 31.85 10.01 0.69 0.82
4 A' 3151 3003 6.54 90.00 0.71 0.83
5 A' 3058 2914 23.16 147.25 0.03 0.06
6 A' 1758 1675 10.67 13.81 0.11 0.20
7 A' 1520 1449 12.95 15.37 0.71 0.83
8 A' 1471 1402 1.04 27.15 0.56 0.72
9 A' 1429 1362 1.87 7.58 0.73 0.84
10 A' 1338 1275 0.22 17.32 0.46 0.63
11 A' 1207 1151 0.45 3.08 0.75 0.86
12 A' 954 909 6.93 2.10 0.32 0.48
13 A' 948 903 0.20 3.34 0.19 0.32
14 A' 425 405 0.97 1.24 0.42 0.60
15 A" 3118 2972 20.29 97.31 0.75 0.86
16 A" 1506 1436 7.94 16.86 0.75 0.86
17 A" 1080 1029 0.50 0.55 0.75 0.86
18 A" 1039 990 12.30 0.42 0.75 0.86
19 A" 941 897 44.94 0.49 0.75 0.86
20 A" 591 564 12.00 12.93 0.75 0.86
21 A" 211 201 0.55 2.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17682.7 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 16853.4 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/6-31G**
ABC
1.56063 0.31077 0.27223

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.136 -0.498 0.000
C2 0.000 0.474 0.000
C3 1.289 0.143 0.000
H4 1.609 -0.897 0.000
H5 2.073 0.896 0.000
H6 -0.272 1.531 0.000
H7 -0.777 -1.532 0.000
H8 -1.777 -0.359 0.880
H9 -1.777 -0.359 -0.880

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.49522.50882.77423.49872.20501.09481.09771.0977
C21.49521.33132.11442.11551.09102.15172.15082.1508
C32.50881.33131.08841.08662.08902.66043.22953.2295
H42.77422.11441.08841.85223.07162.46933.54003.5400
H53.49872.11551.08661.85222.42943.74424.14384.1438
H62.20501.09102.08903.07162.42943.10432.57082.5708
H71.09482.15172.66042.46933.74423.10431.77541.7754
H81.09772.15083.22953.54004.14382.57081.77541.7603
H91.09772.15083.22953.54004.14382.57081.77541.7603

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.045 C1 C2 H6 116.115
C2 C1 H7 111.415 C2 C1 H8 111.168
C2 C1 H9 111.168 C2 C3 H4 121.484
C2 C3 H5 121.746 C3 C2 H6 118.840
H4 C3 H5 116.770 H7 C1 H8 108.145
H7 C1 H9 108.145 H8 C1 H9 106.607
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.566      
2 C -0.084      
3 C -0.387      
4 H 0.161      
5 H 0.166      
6 H 0.161      
7 H 0.181      
8 H 0.184      
9 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.361 -0.017 0.000 0.362
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.617 -0.162 0.000
y -0.162 -18.596 0.000
z 0.000 0.000 -21.349
Traceless
 xyz
x 1.356 -0.162 0.000
y -0.162 1.387 0.000
z 0.000 0.000 -2.743
Polar
3z2-r2-5.485
x2-y2-0.021
xy-0.162
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.604 -0.066 0.000
y -0.066 4.516 0.000
z 0.000 0.000 2.814


<r2> (average value of r2) Å2
<r2> 54.858
(<r2>)1/2 7.407