return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2CHCH3 (Propene)

using model chemistry: QCISD(T)/6-311G**

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)/6-311G**
 hartrees
Energy at 0K-117.600885
Energy at 298.15K-117.606450
HF Energy-117.101850
Nuclear repulsion energy70.320227
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)/6-311G**
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' 3227 3227        
2 A' 3146 3146        
3 A' 3134 3134        
4 A' 3113 3113        
5 A' 3028 3028        
6 A' 1689 1689        
7 A' 1506 1506        
8 A' 1455 1455        
9 A' 1416 1416        
10 A' 1313 1313        
11 A' 1190 1190        
12 A' 943 943        
13 A' 928 928        
14 A' 418 418        
15 A" 3090 3090        
16 A" 1490 1490        
17 A" 1066 1066        
18 A" 1000 1000        
19 A" 887 887        
20 A" 570 570        
21 A" 191 191        

Unscaled Zero Point Vibrational Energy (zpe) 17399.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17399.4 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 QCISD(T)/6-311G**
ABC
1.53131 0.30726 0.26879

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.147 -0.498 0.000
C2 0.000 0.483 0.000
C3 1.299 0.135 0.000
H4 1.606 -0.911 0.000
H5 2.088 0.885 0.000
H6 -0.265 1.543 0.000
H7 -0.779 -1.531 0.000
H8 -1.782 -0.355 0.885
H9 -1.782 -0.355 -0.885

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.50912.52652.78323.51782.22311.09681.09881.0988
C21.50911.34502.12642.12631.09242.15992.15942.1594
C32.52651.34501.09011.08812.10442.66393.24343.2434
H42.78322.12641.09011.85923.08562.46423.54553.5455
H53.51782.12631.08811.85922.44343.74934.15944.1594
H62.22311.09242.10443.08562.44343.11692.58632.5863
H71.09682.15992.66392.46423.74933.11691.78101.7810
H81.09882.15943.24343.54554.15942.58631.78101.7697
H91.09882.15943.24343.54554.15942.58631.78101.7697

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.456 C1 C2 H6 116.505
C2 C1 H7 110.969 C2 C1 H8 110.814
C2 C1 H9 110.814 C2 C3 H4 121.326
C2 C3 H5 121.471 C3 C2 H6 119.039
H4 C3 H5 117.204 H7 C1 H8 108.421
H7 C1 H9 108.421 H8 C1 H9 107.277
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability