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

using model chemistry: CCD/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 CCD/CEP-121G*
 hartrees
Energy at 0K-19.719383
Energy at 298.15K-19.723583
HF Energy-19.333144
Nuclear repulsion energy35.887901
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/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 3263 3077 22.97      
2 A1 3167 2987 4.61      
3 A1 3156 2976 14.65      
4 A1 1544 1456 3.05      
5 A1 1289 1216 0.62      
6 A1 1045 986 0.11      
7 A1 432 407 0.06      
8 A2 723 682 0.00      
9 A2 559 527 0.00      
10 B1 1000 943 40.26      
11 B1 730 688 98.13      
12 B1 535 505 17.54      
13 B2 3260 3075 6.64      
14 B2 3151 2972 13.20      
15 B2 1511 1425 0.70      
16 B2 1414 1334 6.70      
17 B2 1123 1059 0.19      
18 B2 940 886 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 14420.4 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 13599.9 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/CEP-121G*
ABC
1.79145 0.34185 0.28707

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.453
H2 0.000 0.000 1.545
C3 0.000 1.233 -0.200
C4 0.000 -1.233 -0.200
H5 0.000 2.168 0.355
H6 0.000 -2.168 0.355
H7 0.000 1.292 -1.287
H8 0.000 -1.292 -1.287

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.09231.39461.39462.17052.17052.16692.1669
H21.09232.13612.13612.47362.47363.11283.1128
C31.39462.13612.46551.08733.44591.08932.7488
C41.39462.13612.46553.44591.08732.74881.0893
H52.17052.47361.08733.44594.33661.86133.8297
H62.17052.47363.44591.08734.33663.82971.8613
H72.16693.11281.08932.74881.86133.82972.5832
H82.16693.11282.74881.08933.82971.86132.5832

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 121.486 C1 C3 H7 120.974
C1 C4 H6 121.486 C1 C4 H8 120.974
H2 C1 C3 117.878 H2 C1 C4 117.878
C3 C1 C4 124.244 H5 C3 H7 117.540
H6 C4 H8 117.540
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability