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(TQ)/LANL2DZ

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(TQ)/LANL2DZ
 hartrees
Energy at 0K-117.343167
Energy at 298.15K-117.348671
HF Energy-117.034333
Nuclear repulsion energy69.143246
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(TQ)/LANL2DZ
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' 3178 3178        
2 A' 3092 3092        
3 A' 3072 3072        
4 A' 3047 3047        
5 A' 2953 2953        
6 A' 1645 1645        
7 A' 1515 1515        
8 A' 1461 1461        
9 A' 1439 1439        
10 A' 1315 1315        
11 A' 1194 1194        
12 A' 952 952        
13 A' 903 903        
14 A' 412 412        
15 A" 3025 3025        
16 A" 1495 1495        
17 A" 1079 1079        
18 A" 973 973        
19 A" 839 839        
20 A" 560 560        
21 A" 187 187        

Unscaled Zero Point Vibrational Energy (zpe) 17167.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17167.5 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(TQ)/LANL2DZ
ABC
1.49308 0.29511 0.25865

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.173 -0.505 0.000
C2 0.000 0.490 0.000
C3 1.327 0.137 0.000
H4 1.643 -0.917 0.000
H5 2.125 0.892 0.000
H6 -0.267 1.561 0.000
H7 -0.802 -1.550 0.000
H8 -1.813 -0.359 0.896
H9 -1.813 -0.359 -0.896

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.53792.58072.84543.58122.25571.10951.11121.1112
C21.53791.37352.16342.16261.10362.19272.19382.1938
C32.58071.37351.10021.09892.13772.71653.30313.3031
H42.84542.16341.10021.87283.12882.52543.61353.6135
H53.58122.16261.09891.87282.48343.81234.22824.2282
H62.25571.10362.13773.12882.48343.15732.62362.6236
H71.10952.19272.71652.52543.81233.15731.80121.8012
H81.11122.19383.30313.61354.22822.62361.80121.7927
H91.11122.19383.30313.61354.22822.62361.80121.7927

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.761 C1 C2 H6 116.327
C2 C1 H7 110.802 C2 C1 H8 110.786
C2 C1 H9 110.786 C2 C3 H4 121.591
C2 C3 H5 121.623 C3 C2 H6 118.912
H4 C3 H5 116.785 H7 C1 H8 108.408
H7 C1 H9 108.408 H8 C1 H9 107.540
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability