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All results from a given calculation for CH2CHCH3 (Propene)

using model chemistry: QCISD/CEP-121G*

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-121G*
 hartrees
Energy at 0K-20.367974
Energy at 298.15K-20.373512
HF Energy-19.936741
Nuclear repulsion energy40.134898
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-121G*
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' 3222 3073 27.44      
2 A' 3141 2996 18.45      
3 A' 3127 2982 27.21      
4 A' 3109 2965 13.61      
5 A' 3019 2879 30.71      
6 A' 1695 1617 9.01      
7 A' 1523 1453 11.53      
8 A' 1470 1402 2.29      
9 A' 1434 1368 0.76      
10 A' 1319 1258 0.13      
11 A' 1200 1144 0.29      
12 A' 948 904 2.50      
13 A' 929 886 0.98      
14 A' 422 403 0.67      
15 A" 3087 2944 31.13      
16 A" 1505 1435 7.26      
17 A" 1075 1025 5.00      
18 A" 996 950 22.77      
19 A" 858 818 48.43      
20 A" 568 541 10.45      
21 A" 182 173 0.34      

Unscaled Zero Point Vibrational Energy (zpe) 17414.0 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 16607.8 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-121G*
ABC
1.52312 0.30443 0.26641

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.152 -0.502 0.000
C2 0.000 0.486 0.000
C3 1.305 0.138 0.000
H4 1.617 -0.908 0.000
H5 2.094 0.889 0.000
H6 -0.266 1.547 0.000
H7 -0.783 -1.536 0.000
H8 -1.788 -0.361 0.886
H9 -1.788 -0.361 -0.886

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.51792.53892.79863.53192.23261.09791.09991.0999
C21.51791.35012.13462.13251.09412.16812.16782.1678
C32.53891.35011.09161.08972.11002.67573.25563.2556
H42.79862.13461.09161.85933.09382.48033.56083.5608
H53.53192.13251.08971.85932.45023.76264.17364.1736
H62.23261.09412.11003.09382.45023.12612.59622.5962
H71.09792.16812.67572.48033.76263.12611.78281.7828
H81.09992.16783.25563.56084.17362.59621.78281.7722
H91.09992.16783.25563.56084.17362.59621.78281.7722

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.461 C1 C2 H6 116.534
C2 C1 H7 110.945 C2 C1 H8 110.795
C2 C1 H9 110.795 C2 C3 H4 121.546
C2 C3 H5 121.504 C3 C2 H6 119.005
H4 C3 H5 116.950 H7 C1 H8 108.423
H7 C1 H9 108.423 H8 C1 H9 107.340
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability