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

using model chemistry: CID/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at CID/CEP-121G*
 hartrees
Energy at 0K-19.680472
Energy at 298.15K-19.684716
HF Energy-19.333403
Nuclear repulsion energy35.986102
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 CID/CEP-121G*
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 3328 3075 24.41      
2 A1 3234 2989 5.08      
3 A1 3221 2976 14.64      
4 A1 1571 1452 2.94      
5 A1 1303 1204 0.53      
6 A1 1056 976 0.10      
7 A1 437 403 0.06      
8 A2 741 685 0.00      
9 A2 565 522 0.00      
10 B1 1015 938 38.33      
11 B1 753 696 101.19      
12 B1 541 500 18.20      
13 B2 3325 3072 7.05      
14 B2 3215 2971 14.06      
15 B2 1543 1426 0.55      
16 B2 1443 1333 6.37      
17 B2 1150 1062 0.19      
18 B2 956 883 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 14697.4 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 13580.4 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 CID/CEP-121G*
ABC
1.80445 0.34288 0.28813

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.451
H2 0.000 0.000 1.538
C3 0.000 1.231 -0.199
C4 0.000 -1.231 -0.199
H5 0.000 2.161 0.354
H6 0.000 -2.161 0.354
H7 0.000 1.292 -1.282
H8 0.000 -1.292 -1.282

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08681.39261.39262.16362.16362.16142.1614
H21.08682.12942.12942.46462.46463.10163.1016
C31.39262.12942.46251.08213.43751.08412.7454
C41.39262.12942.46253.43751.08212.74541.0841
H52.16362.46461.08213.43754.32281.85233.8209
H62.16362.46463.43751.08214.32283.82091.8523
H72.16143.10161.08412.74541.85233.82092.5834
H82.16143.10162.74541.08413.82091.85232.5834

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 121.414 C1 C3 H7 121.047
C1 C4 H6 121.414 C1 C4 H8 121.047
H2 C1 C3 117.850 H2 C1 C4 117.850
C3 C1 C4 124.300 H5 C3 H7 117.539
H6 C4 H8 117.539
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability