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: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G4
 hartrees
Energy at 0K-117.803881
Energy at 298.15K-117.798826
HF Energy-117.918626
Nuclear repulsion energy70.712309
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(2df,p)
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' 3223 3110 18.42 61.77 0.62 0.77
2 A' 3143 3033 3.52 145.28 0.12 0.22
3 A' 3133 3024 31.05 13.02 0.72 0.84
4 A' 3104 2995 9.63 81.19 0.70 0.82
5 A' 3019 2913 24.26 144.74 0.03 0.07
6 A' 1721 1661 10.93 13.12 0.09 0.16
7 A' 1494 1442 10.11 10.85 0.71 0.83
8 A' 1451 1400 0.54 27.21 0.53 0.69
9 A' 1406 1357 0.70 7.23 0.65 0.79
10 A' 1329 1283 0.35 17.90 0.46 0.63
11 A' 1190 1149 0.26 2.76 0.75 0.86
12 A' 945 911 4.01 0.29 0.52 0.68
13 A' 928 895 2.11 5.40 0.17 0.29
14 A' 422 407 1.06 1.37 0.39 0.56
15 A" 3067 2960 21.91 91.28 0.75 0.86
16 A" 1480 1428 4.89 13.54 0.75 0.86
17 A" 1072 1034 1.57 0.33 0.75 0.86
18 A" 1037 1000 7.32 0.25 0.75 0.86
19 A" 944 911 32.63 0.33 0.75 0.86
20 A" 592 572 8.44 9.21 0.75 0.86
21 A" 214 206 0.38 1.70 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17456.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 16845.8 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(2df,p)
ABC
1.56654 0.30956 0.27144

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.136 -0.506 0.000
C2 0.000 0.474 0.000
C3 1.290 0.153 0.000
H4 1.619 -0.883 0.000
H5 2.068 0.909 0.000
H6 -0.282 1.526 0.000
H7 -0.775 -1.539 0.000
H8 -1.778 -0.368 0.879
H9 -1.778 -0.368 -0.879

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50002.51392.78073.50252.20431.09401.09721.0972
C21.50001.32942.11242.11351.08962.15622.15492.1549
C32.51391.32941.08681.08482.08752.66913.23403.2340
H42.78072.11241.08681.84723.06892.48193.54673.5467
H53.50252.11351.08481.84722.42993.75124.14714.1471
H62.20431.08962.08753.06892.42993.10412.56922.5692
H71.09402.15622.66912.48193.75123.10411.77441.7744
H81.09722.15493.23403.54674.14712.56921.77441.7577
H91.09722.15493.23403.54674.14712.56921.77441.7577

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.322 C1 C2 H6 115.695
C2 C1 H7 111.557 C2 C1 H8 111.181
C2 C1 H9 111.181 C2 C3 H4 121.635
C2 C3 H5 121.916 C3 C2 H6 118.983
H4 C3 H5 116.449 H7 C1 H8 108.142
H7 C1 H9 108.142 H8 C1 H9 106.429
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.413      
2 C 0.050      
3 C -0.304      
4 H 0.102      
5 H 0.108      
6 H 0.086      
7 H 0.120      
8 H 0.126      
9 H 0.126      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.366 -0.022 0.000 0.367
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 55.027
(<r2>)1/2 7.418