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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-116.700169
Energy at 298.15K-116.704459
HF Energy-116.428147
Nuclear repulsion energy64.334431
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 3236 3054        
2 A1 3138 2962        
3 A1 3119 2944        
4 A1 1560 1472        
5 A1 1307 1234        
6 A1 1061 1001        
7 A1 438 414        
8 A2 788 744        
9 A2 566 534        
10 B1 1023 966        
11 B1 803 758        
12 B1 545 514        
13 B2 3233 3051        
14 B2 3131 2955        
15 B2 1529 1443        
16 B2 1457 1375        
17 B2 1180 1114        
18 B2 964 909        

Unscaled Zero Point Vibrational Energy (zpe) 14538.4 cm-1
Scaled (by 0.9438) Zero Point Vibrational Energy (zpe) 13721.3 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
1.79889 0.33825 0.28472

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 0.449
H2 0.000 0.000 1.546
C3 0.000 1.239 -0.198
C4 0.000 -1.239 -0.198
H5 0.000 2.178 0.357
H6 0.000 -2.178 0.357
H7 0.000 1.309 -1.289
H8 0.000 -1.309 -1.289

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.09711.39731.39732.18002.18002.17602.1760
H21.09712.13902.13902.48162.48163.12293.1229
C31.39732.13902.47731.09103.46151.09372.7716
C41.39732.13902.47733.46151.09102.77161.0937
H52.18002.48161.09103.46154.35621.86143.8561
H62.18002.48163.46151.09104.35623.85611.8614
H72.17603.12291.09372.77161.86143.85612.6181
H82.17603.12292.77161.09373.85611.86142.6181

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 121.870 C1 C3 H7 121.263
C1 C4 H6 121.870 C1 C4 H8 121.263
H2 C1 C3 117.571 H2 C1 C4 117.571
C3 C1 C4 124.858 H5 C3 H7 116.867
H6 C4 H8 116.867
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability