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

using model chemistry: CCD/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at CCD/STO-3G
 hartrees
Energy at 0K-115.231126
Energy at 298.15K-115.235209
HF Energy-115.051935
Nuclear repulsion energy63.962514
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 CCD/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3526 3526 1.11      
2 A1 3419 3419 0.08      
3 A1 3375 3375 0.01      
4 A1 1649 1649 0.00      
5 A1 1354 1354 0.15      
6 A1 1096 1096 0.02      
7 A1 438 438 0.00      
8 A2 770 770 0.00      
9 A2 629 629 0.00      
10 B1 1097 1097 3.96      
11 B1 776 776 20.26      
12 B1 567 567 2.92      
13 B2 3524 3524 0.10      
14 B2 3368 3368 6.15      
15 B2 1597 1597 2.03      
16 B2 1503 1503 0.45      
17 B2 1132 1132 2.02      
18 B2 988 988 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 15403.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15403.2 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 CCD/STO-3G
ABC
1.75815 0.33664 0.28254

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.454
H2 0.000 0.000 1.563
C3 0.000 1.241 -0.200
C4 0.000 -1.241 -0.200
H5 0.000 2.192 0.361
H6 0.000 -2.192 0.361
H7 0.000 1.307 -1.304
H8 0.000 -1.307 -1.304

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.10881.40291.40292.19402.19402.19032.1903
H21.10882.15632.15632.50012.50013.15043.1504
C31.40292.15632.48161.10443.47841.10512.7761
C41.40292.15632.48163.47841.10442.77611.1051
H52.19402.50011.10443.47844.38411.88513.8744
H62.19402.50013.47841.10444.38413.87441.8851
H72.19033.15041.10512.77611.88513.87442.6133
H82.19033.15042.77611.10513.87441.88512.6133

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 121.644 C1 C3 H7 121.238
C1 C4 H6 121.644 C1 C4 H8 121.238
H2 C1 C3 117.820 H2 C1 C4 117.820
C3 C1 C4 124.361 H5 C3 H7 117.118
H6 C4 H8 117.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability