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All results from a given calculation for CH2CHCH3 (Propene)

using model chemistry: QCISD/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 QCISD/CEP-31G*
 hartrees
Energy at 0K-20.326210
Energy at 298.15K-20.331751
HF Energy-19.922056
Nuclear repulsion energy39.747994
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 QCISD/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' 3231 3081 38.82      
2 A' 3159 3013 16.62      
3 A' 3139 2994 42.87      
4 A' 3126 2982 13.21      
5 A' 3040 2899 36.42      
6 A' 1717 1637 7.21      
7 A' 1505 1435 12.08      
8 A' 1464 1396 1.65      
9 A' 1423 1358 0.69      
10 A' 1316 1255 0.22      
11 A' 1197 1142 0.37      
12 A' 944 900 4.90      
13 A' 926 883 0.18      
14 A' 417 397 0.69      
15 A" 3104 2960 41.79      
16 A" 1490 1421 8.76      
17 A" 1074 1024 4.04      
18 A" 999 953 30.37      
19 A" 867 826 54.84      
20 A" 578 551 14.68      
21 A" 193 184 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 17453.9 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 16645.8 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 QCISD/CEP-31G*
ABC
1.48251 0.29943 0.26159

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.167 -0.491 0.000
C2 0.000 0.494 0.000
C3 1.321 0.118 0.000
H4 1.619 -0.941 0.000
H5 2.124 0.871 0.000
H6 -0.250 1.567 0.000
H7 -0.803 -1.537 0.000
H8 -1.807 -0.342 0.895
H9 -1.807 -0.342 -0.895

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52672.56072.82183.56112.25251.10741.11031.1103
C21.52671.37322.16322.15711.10152.18372.18262.1826
C32.56071.37321.09971.10102.13692.69223.28543.2854
H42.82182.16321.09971.88043.12732.49443.59143.5914
H53.56112.15711.10101.88042.47383.78994.20984.2098
H62.25251.10152.13693.12732.47383.15242.62042.6204
H71.10742.18372.69222.49443.78993.15241.79921.7992
H81.11032.18263.28543.59144.20982.62041.79921.7892
H91.11032.18263.28543.59144.20982.62041.79921.7892

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 123.938 C1 C2 H6 117.051
C2 C1 H7 110.996 C2 C1 H8 110.735
C2 C1 H9 110.735 C2 C3 H4 121.642
C2 C3 H5 120.956 C3 C2 H6 119.012
H4 C3 H5 117.402 H7 C1 H8 108.446
H7 C1 H9 108.446 H8 C1 H9 107.363
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability