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

using model chemistry: MP4/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-116.860677
Energy at 298.15K-116.864976
HF Energy-116.467411
Nuclear repulsion energy64.886182
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 MP4/6-31G*
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 3282 3134        
2 A1 3188 3043        
3 A1 3171 3027        
4 A1 1566 1495        
5 A1 1317 1257        
6 A1 1069 1021        
7 A1 436 417        
8 A2 792 756        
9 A2 583 557        
10 B1 1041 994        
11 B1 806 770        
12 B1 556 531        
13 B2 3280 3132        
14 B2 3180 3037        
15 B2 1529 1460        
16 B2 1442 1377        
17 B2 1172 1119        
18 B2 958 915        

Unscaled Zero Point Vibrational Energy (zpe) 14683.1 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 14019.4 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 MP4/6-31G*
ABC
1.81330 0.34595 0.29053

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.447
H2 0.000 0.000 1.540
C3 0.000 1.224 -0.197
C4 0.000 -1.224 -0.197
H5 0.000 2.161 0.354
H6 0.000 -2.161 0.354
H7 0.000 1.287 -1.284
H8 0.000 -1.287 -1.284

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.09261.38361.38362.16292.16292.15752.1575
H21.09262.12512.12512.46492.46493.10353.1035
C31.38362.12512.44871.08663.42971.08882.7368
C41.38362.12512.44873.42971.08662.73681.0888
H52.16292.46491.08663.42974.32171.85643.8175
H62.16292.46493.42971.08664.32173.81751.8564
H72.15753.10351.08882.73681.85643.81752.5747
H82.15753.10352.73681.08883.81751.85642.5747

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 121.767 C1 C3 H7 121.076
C1 C4 H6 121.767 C1 C4 H8 121.076
H2 C1 C3 117.759 H2 C1 C4 117.759
C3 C1 C4 124.482 H5 C3 H7 117.157
H6 C4 H8 117.157
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability