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All results from a given calculation for C3H5 (Allyl radical)

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at CBS-Q
 hartrees
Energy at 0K-117.009854
Energy at 298.15K-117.014397
HF Energy-116.466141
Nuclear repulsion energy64.796985
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 CBS-Q
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3408 3408 29.71      
2 A1 3323 3323 3.42      
3 A1 3310 3310 18.95      
4 A1 1634 1634 1.73      
5 A1 1333 1333 0.46      
6 A1 1070 1070 0.01      
7 A1 448 448 0.13      
8 A2 765 765 0.00      
9 A2 569 569 0.00      
10 B1 1025 1025 19.45      
11 B1 782 782 74.30      
12 B1 544 544 11.48      
13 B2 3404 3404 9.60      
14 B2 3307 3307 18.37      
15 B2 1625 1625 0.03      
16 B2 1524 1524 2.65      
17 B2 1246 1246 0.17      
18 B2 995 995 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 15156.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15156.4 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 CBS-Q
ABC
1.81377 0.34704 0.29130

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.448
H2 0.000 0.000 1.528
C3 0.000 1.234 -0.198
C4 0.000 -1.234 -0.198
H5 0.000 2.157 0.354
H6 0.000 -2.157 0.354
H7 0.000 1.303 -1.273
H8 0.000 -1.303 -1.273

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08021.39241.39242.15952.15952.15862.1586
H21.08022.12132.12132.45622.45623.08943.0894
C31.39242.12132.46731.07593.43571.07782.7551
C41.39242.12132.46733.43571.07592.75511.0778
H52.15952.45621.07593.43574.31481.83803.8237
H62.15952.45623.43571.07594.31483.82371.8380
H72.15863.08941.07782.75511.83803.82372.6056
H82.15863.08942.75511.07783.82371.83802.6056

picture of Allyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 121.535 C1 C3 H7 121.299
C1 C4 H6 121.535 C1 C4 H8 121.299
H2 C1 C3 117.622 H2 C1 C4 117.622
C3 C1 C4 124.756 H5 C3 H7 117.166
H6 C4 H8 117.166
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability