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All results from a given calculation for CH3CHCH (1-propenyl radical)

using model chemistry: CISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-116.636621
Energy at 298.15K-116.640713
HF Energy-116.387588
Nuclear repulsion energy63.869997
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/6-31G
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' 3298 3093 3.34      
2 A' 3161 2964 27.36      
3 A' 3109 2916 14.26      
4 A' 3070 2879 30.46      
5 A' 1708 1602 0.91      
6 A' 1573 1475 7.00      
7 A' 1501 1407 2.59      
8 A' 1361 1276 1.71      
9 A' 1175 1101 8.18      
10 A' 980 919 0.13      
11 A' 864 810 13.38      
12 A' 441 413 5.94      
13 A" 3130 2935 30.55      
14 A" 1565 1468 7.66      
15 A" 1144 1073 1.95      
16 A" 932 874 1.85      
17 A" 668 626 59.30      
18 A" 186 175 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 14931.2 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 14002.5 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 CISD/6-31G
ABC
1.88414 0.31426 0.28369

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.454 0.000
C2 1.317 0.338 0.000
C3 -0.983 -0.704 0.000
H4 -0.450 1.454 0.000
H5 2.160 1.018 0.000
H6 -0.453 -1.663 0.000
H7 -1.630 -0.667 0.886
H8 -1.630 -0.667 -0.886

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8
C11.32181.51901.09682.23252.16492.16762.1676
C21.32182.52502.08931.08332.67153.23723.2372
C31.51902.52502.22353.58401.09561.09821.0982
H41.09682.08932.22352.64563.11742.58402.5840
H52.23251.08333.58402.64563.74404.24144.2414
H62.16492.67151.09563.11743.74401.77911.7791
H72.16763.23721.09822.58404.24141.77911.7728
H82.16763.23721.09822.58404.24141.77911.7728

picture of 1-propenyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 136.088 C1 C3 H6 110.742
C1 C3 H7 110.800 C1 C3 H8 110.800
C2 C1 C3 125.305 C2 C1 H4 119.215
C3 C1 H4 115.481 H6 C3 H7 108.381
H6 C3 H8 108.381 H7 C3 H8 107.629
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability