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All results from a given calculation for CH2CHCH3 (Propene)

using model chemistry: QCISD(T)/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(T)/CEP-121G*
 hartrees
Energy at 0K-20.381959
Energy at 298.15K-20.387464
HF Energy-19.936271
Nuclear repulsion energy40.062511
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(T)/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' 3206 3057        
2 A' 3122 2978        
3 A' 3109 2965        
4 A' 3094 2951        
5 A' 3002 2863        
6 A' 1669 1591        
7 A' 1516 1446        
8 A' 1458 1391        
9 A' 1423 1358        
10 A' 1306 1246        
11 A' 1190 1135        
12 A' 940 896        
13 A' 921 878        
14 A' 418 398        
15 A" 3071 2929        
16 A" 1496 1427        
17 A" 1064 1015        
18 A" 977 932        
19 A" 826 788        
20 A" 556 530        
21 A" 182 174        

Unscaled Zero Point Vibrational Energy (zpe) 17273.1 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 16473.3 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(T)/CEP-121G*
ABC
1.51549 0.30340 0.26542

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.156 -0.499 0.000
C2 0.000 0.487 0.000
C3 1.308 0.133 0.000
H4 1.616 -0.916 0.000
H5 2.101 0.883 0.000
H6 -0.262 1.551 0.000
H7 -0.787 -1.535 0.000
H8 -1.792 -0.355 0.887
H9 -1.792 -0.355 -0.887

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.51952.54382.80243.53772.23671.09921.10121.1012
C21.51951.35532.13982.13781.09562.16962.16972.1697
C32.54381.35531.09311.09112.11572.67783.26133.2613
H42.80242.13981.09311.86303.10022.48083.56553.5655
H53.53772.13781.09111.86302.45553.76614.18014.1801
H62.23671.09562.11573.10022.45553.13012.60032.6003
H71.09922.16962.67782.48083.76613.13011.78581.7858
H81.10122.16973.26133.56554.18012.60031.78581.7744
H91.10122.16973.26133.56554.18012.60031.78581.7744

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.368 C1 C2 H6 116.651
C2 C1 H7 110.874 C2 C1 H8 110.757
C2 C1 H9 110.757 C2 C3 H4 121.480
C2 C3 H5 121.446 C3 C2 H6 118.981
H4 C3 H5 117.074 H7 C1 H8 108.498
H7 C1 H9 108.498 H8 C1 H9 107.344
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability