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

using model chemistry: MP2=FULL/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 MP2=FULL/CEP-121G*
 hartrees
Energy at 0K-19.679940
Energy at 298.15K-19.684170
HF Energy-19.333203
Nuclear repulsion energy36.012926
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 MP2=FULL/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 3311 3121 18.33      
2 A1 3207 3023 5.16      
3 A1 3197 3014 12.35      
4 A1 1558 1469 3.46      
5 A1 1303 1228 0.74      
6 A1 1057 997 0.15      
7 A1 435 410 0.05      
8 A2 730 688 0.00      
9 A2 569 536 0.00      
10 B1 1023 964 43.15      
11 B1 738 695 104.19      
12 B1 543 512 18.60      
13 B2 3309 3120 5.04      
14 B2 3192 3009 12.52      
15 B2 1522 1435 0.98      
16 B2 1420 1339 7.99      
17 B2 1121 1057 0.19      
18 B2 948 893 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 14590.7 cm-1
Scaled (by 0.9427) Zero Point Vibrational Energy (zpe) 13754.7 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 MP2=FULL/CEP-121G*
ABC
1.80171 0.34455 0.28924

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/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 1.541
C3 0.000 1.228 -0.199
C4 0.000 -1.228 -0.199
H5 0.000 2.161 0.353
H6 0.000 -2.161 0.353
H7 0.000 1.284 -1.284
H8 0.000 -1.284 -1.284

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08941.38951.38952.16322.16322.15862.1586
H21.08942.12942.12942.46592.46593.10273.1027
C31.38952.12942.45591.08403.43361.08612.7364
C41.38952.12942.45593.43361.08402.73641.0861
H52.16322.46591.08403.43364.32191.85653.8142
H62.16322.46593.43361.08404.32193.81421.8565
H72.15863.10271.08612.73641.85653.81422.5687
H82.15863.10272.73641.08613.81421.85652.5687

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 121.492 C1 C3 H7 120.879
C1 C4 H6 121.492 C1 C4 H8 120.879
H2 C1 C3 117.904 H2 C1 C4 117.904
C3 C1 C4 124.192 H5 C3 H7 117.630
H6 C4 H8 117.630
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability