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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-116.903111
Energy at 298.15K-116.907430
HF Energy-116.476743
Nuclear repulsion energy65.050559
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 3335 3148        
2 A1 3234 3052        
3 A1 3222 3041        
4 A1 1581 1492        
5 A1 1319 1245        
6 A1 1072 1012        
7 A1 436 411        
8 A2 794 749        
9 A2 592 558        
10 B1 1050 991        
11 B1 802 757        
12 B1 557 525        
13 B2 3333 3145        
14 B2 3226 3044        
15 B2 1546 1459        
16 B2 1450 1368        
17 B2 1171 1105        
18 B2 961 907        

Unscaled Zero Point Vibrational Energy (zpe) 14839.7 cm-1
Scaled (by 0.9438) Zero Point Vibrational Energy (zpe) 14005.7 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 MP4/6-31G**
ABC
1.82294 0.34720 0.29165

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 0.448
H2 0.000 0.000 1.534
C3 0.000 1.223 -0.197
C4 0.000 -1.223 -0.197
H5 0.000 2.154 0.351
H6 0.000 -2.154 0.351
H7 0.000 1.281 -1.278
H8 0.000 -1.281 -1.278

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08601.38261.38262.15582.15582.14932.1493
H21.08602.11932.11932.45692.45693.08983.0898
C31.38262.11932.44591.08023.42091.08252.7274
C41.38262.11932.44593.42091.08022.72741.0825
H52.15582.45691.08023.42094.30731.84823.8015
H62.15582.45693.42091.08024.30733.80151.8482
H72.14933.08981.08252.72741.84823.80152.5621
H82.14933.08982.72741.08253.80151.84822.5621

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 121.691 C1 C3 H7 120.877
C1 C4 H6 121.691 C1 C4 H8 120.877
H2 C1 C3 117.803 H2 C1 C4 117.803
C3 C1 C4 124.395 H5 C3 H7 117.432
H6 C4 H8 117.432
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability