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All results from a given calculation for CH2CHCH3 (Propene)

using model chemistry: CISD/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 CISD/CEP-121G*
 hartrees
Energy at 0K-20.318487
Energy at 298.15K-20.324112
HF Energy-19.937662
Nuclear repulsion energy40.356128
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-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' 3299 3041 26.98      
2 A' 3219 2967 17.58      
3 A' 3203 2953 28.06      
4 A' 3186 2937 13.27      
5 A' 3095 2853 31.78      
6 A' 1755 1618 10.49      
7 A' 1558 1436 12.30      
8 A' 1507 1389 1.98      
9 A' 1468 1354 0.77      
10 A' 1355 1249 0.11      
11 A' 1229 1133 0.35      
12 A' 970 894 2.57      
13 A' 950 876 1.17      
14 A' 431 398 0.75      
15 A" 3163 2916 32.24      
16 A" 1541 1421 7.67      
17 A" 1107 1020 6.66      
18 A" 1040 959 20.65      
19 A" 922 850 53.08      
20 A" 592 546 11.81      
21 A" 192 177 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 17891.5 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 16492.4 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-121G*
ABC
1.54570 0.30726 0.26911

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.145 -0.507 0.000
C2 0.000 0.481 0.000
C3 1.296 0.146 0.000
H4 1.617 -0.891 0.000
H5 2.076 0.899 0.000
H6 -0.272 1.535 0.000
H7 -0.777 -1.535 0.000
H8 -1.778 -0.366 0.881
H9 -1.778 -0.366 -0.881

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.51222.52692.78793.51432.22081.09181.09391.0939
C21.51221.33902.12072.11771.08812.16072.15742.1574
C32.52691.33901.08571.08392.09452.66913.23853.2385
H42.78792.12071.08571.84833.07442.47853.54573.5457
H53.51432.11771.08391.84832.43223.75014.15074.1507
H62.22081.08812.09453.07442.43223.11132.58062.5806
H71.09182.16072.66912.47853.75013.11131.77291.7729
H81.09392.15743.23853.54574.15072.58061.77291.7621
H91.09392.15743.23853.54574.15072.58061.77291.7621

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.699 C1 C2 H6 116.359
C2 C1 H7 111.120 C2 C1 H8 110.728
C2 C1 H9 110.728 C2 C3 H4 121.650
C2 C3 H5 121.510 C3 C2 H6 118.942
H4 C3 H5 116.840 H7 C1 H8 108.418
H7 C1 H9 108.418 H8 C1 H9 107.303
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability