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All results from a given calculation for CH2CHCH3 (Propene)

using model chemistry: MP2/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 MP2/CEP-31G*
 hartrees
Energy at 0K-20.283905
Energy at 298.15K 
HF Energy-19.922692
Nuclear repulsion energy39.875333
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 MP2/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' 3286 3120 27.14 51.59 0.57 0.73
2 A' 3204 3042 18.00 104.28 0.20 0.34
3 A' 3187 3025 37.00 77.16 0.58 0.73
4 A' 3180 3019 0.62 36.70 0.58 0.74
5 A' 3080 2924 29.16 149.24 0.02 0.03
6 A' 1717 1630 6.51 6.16 0.05 0.10
7 A' 1521 1444 14.12 12.15 0.68 0.81
8 A' 1473 1399 2.10 11.29 0.72 0.84
9 A' 1432 1360 1.06 6.63 0.57 0.73
10 A' 1325 1258 0.16 11.00 0.36 0.53
11 A' 1207 1145 0.51 5.37 0.61 0.76
12 A' 952 904 5.97 5.13 0.28 0.43
13 A' 934 887 0.56 1.82 0.32 0.49
14 A' 420 399 0.73 2.54 0.59 0.74
15 A" 3162 3002 30.69 71.41 0.75 0.86
16 A" 1505 1429 10.43 15.67 0.75 0.86
17 A" 1083 1028 4.63 4.25 0.75 0.86
18 A" 1020 969 34.44 0.47 0.75 0.86
19 A" 870 826 59.09 5.27 0.75 0.86
20 A" 586 556 16.52 4.02 0.75 0.86
21 A" 201 191 0.51 1.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17671.3 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 16777.2 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 MP2/CEP-31G*
ABC
1.48953 0.30154 0.26331

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.164 -0.485 0.000
C2 0.000 0.493 0.000
C3 1.318 0.112 0.000
H4 1.608 -0.945 0.000
H5 2.120 0.859 0.000
H6 -0.243 1.564 0.000
H7 -0.805 -1.528 0.000
H8 -1.802 -0.335 0.891
H9 -1.802 -0.335 -0.891

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52012.55202.80993.54872.24661.10341.10621.1062
C21.52011.37152.15722.15191.09832.17562.17392.1739
C32.55201.37151.09581.09712.13142.68223.27483.2748
H42.80992.15721.09581.87553.11772.48263.57713.5771
H53.54872.15191.09711.87552.46583.77614.19594.1959
H62.24661.09832.13143.11772.46583.14312.61372.6137
H71.10342.17562.68222.48263.77613.14311.79241.7924
H81.10622.17393.27483.57714.19592.61371.79241.7819
H91.10622.17393.27483.57714.19592.61371.79241.7819

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 123.826 C1 C2 H6 117.282
C2 C1 H7 111.055 C2 C1 H8 110.754
C2 C1 H9 110.754 C2 C3 H4 121.520
C2 C3 H5 120.907 C3 C2 H6 118.893
H4 C3 H5 117.572 H7 C1 H8 108.425
H7 C1 H9 108.425 H8 C1 H9 107.303
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability