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: CISD/SDD

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/SDD
 hartrees
Energy at 0K-117.304897
Energy at 298.15K-117.310510
HF Energy-117.037677
Nuclear repulsion energy69.746921
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/SDD
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' 3270 3014 41.92      
2 A' 3186 2937 17.48      
3 A' 3163 2916 33.29      
4 A' 3136 2891 22.52      
5 A' 3043 2805 36.04      
6 A' 1726 1591 9.71      
7 A' 1555 1434 15.44      
8 A' 1506 1388 2.51      
9 A' 1479 1364 4.76      
10 A' 1360 1254 0.00      
11 A' 1232 1135 1.23      
12 A' 980 904 4.02      
13 A' 936 863 1.27      
14 A' 428 394 0.57      
15 A" 3114 2870 42.18      
16 A" 1536 1416 9.90      
17 A" 1117 1029 1.55      
18 A" 1032 952 26.38      
19 A" 927 854 58.52      
20 A" 592 546 15.16      
21 A" 191 176 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 17754.0 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 16365.6 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/SDD
ABC
1.52289 0.30000 0.26309

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.160 -0.508 0.000
C2 0.000 0.485 0.000
C3 1.314 0.146 0.000
H4 1.637 -0.897 0.000
H5 2.100 0.901 0.000
H6 -0.273 1.545 0.000
H7 -0.791 -1.546 0.000
H8 -1.797 -0.367 0.889
H9 -1.797 -0.367 -0.889

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9
C11.52732.55862.82373.55182.23701.10081.10271.1027
C21.52731.35672.14232.14091.09502.17912.17842.1784
C32.55861.35671.09181.09052.11602.69973.27543.2754
H42.82372.14231.09181.85703.10082.51263.58613.5861
H53.55182.14091.09051.85702.45943.78734.19354.1935
H62.23701.09502.11603.10082.45943.13382.60192.6019
H71.10082.17912.69972.51263.78733.13381.78621.7862
H81.10272.17843.27543.58614.19352.60191.78621.7784
H91.10272.17843.27543.58614.19352.60191.78621.7784

picture of Propene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.937 C1 C2 H6 116.119
C2 C1 H7 110.980 C2 C1 H8 110.814
C2 C1 H9 110.814 C2 C3 H4 121.703
C2 C3 H5 121.671 C3 C2 H6 118.944
H4 C3 H5 116.627 H7 C1 H8 108.310
H7 C1 H9 108.310 H8 C1 H9 107.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability