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All results from a given calculation for CH2CHCH3 (Propene)

using model chemistry: CISD/CEP-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 CISD/CEP-31G*
 hartrees
Energy at 0K-20.281332
Energy at 298.15K-20.286956
HF Energy-19.923424
Nuclear repulsion energy39.980357
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 CISD/CEP-31G*
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' 3308 3049 37.17      
2 A' 3238 2985 15.96      
3 A' 3216 2965 41.52      
4 A' 3203 2952 14.14      
5 A' 3115 2872 37.87      
6 A' 1778 1639 8.49      
7 A' 1541 1420 12.87      
8 A' 1500 1382 1.53      
9 A' 1457 1343 0.64      
10 A' 1351 1246 0.25      
11 A' 1226 1130 0.38      
12 A' 965 889 5.06      
13 A' 949 875 0.17      
14 A' 427 393 0.78      
15 A" 3179 2930 42.32      
16 A" 1526 1407 9.12      
17 A" 1105 1018 6.54      
18 A" 1042 961 26.06      
19 A" 929 856 58.77      
20 A" 600 553 15.65      
21 A" 201 186 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 17927.4 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 16525.4 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 CISD/CEP-31G*
ABC
1.50265 0.30257 0.26444

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.159 -0.495 0.000
C2 0.000 0.491 0.000
C3 1.312 0.124 0.000
H4 1.615 -0.926 0.000
H5 2.107 0.876 0.000
H6 -0.254 1.556 0.000
H7 -0.795 -1.533 0.000
H8 -1.796 -0.348 0.889
H9 -1.796 -0.348 -0.889

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52112.54732.80723.54202.24121.10051.10341.1034
C21.52111.36222.14822.14201.09482.17472.17212.1721
C32.54731.36221.09321.09442.12132.68133.26683.2668
H42.80722.14821.09321.86843.10652.48583.57193.5719
H53.54202.14201.09441.86842.45643.77244.18574.1857
H62.24121.09482.12133.10652.45643.13622.60592.6059
H71.10052.17472.68132.48583.77243.13621.78801.7880
H81.10342.17213.26683.57194.18572.60591.78801.7780
H91.10342.17213.26683.57194.18572.60591.78801.7780

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.034 C1 C2 H6 116.972
C2 C1 H7 111.084 C2 C1 H8 110.699
C2 C1 H9 110.699 C2 C3 H4 121.688
C2 C3 H5 120.988 C3 C2 H6 118.994
H4 C3 H5 117.324 H7 C1 H8 108.444
H7 C1 H9 108.444 H8 C1 H9 107.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability