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

using model chemistry: MP3/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at MP3/6-31G
 hartrees
Energy at 0K-116.684796
Energy at 298.15K-116.689108
HF Energy-116.428513
Nuclear repulsion energy64.475549
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 MP3/6-31G
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 3270 3159 28.52      
2 A1 3174 3065 2.29      
3 A1 3156 3048 20.03      
4 A1 1577 1523 2.16      
5 A1 1318 1273 0.31      
6 A1 1069 1033 0.10      
7 A1 444 429 0.03      
8 A2 794 767 0.00      
9 A2 572 553 0.00      
10 B1 1026 991 26.69      
11 B1 808 781 94.11      
12 B1 549 530 12.24      
13 B2 3266 3155 9.03      
14 B2 3167 3059 13.21      
15 B2 1544 1491 0.73      
16 B2 1471 1421 5.49      
17 B2 1184 1144 0.64      
18 B2 975 942 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 14682.2 cm-1
Scaled (by 0.9659) Zero Point Vibrational Energy (zpe) 14181.5 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 MP3/6-31G
ABC
1.80582 0.33974 0.28595

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G

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 1.542
C3 0.000 1.236 -0.198
C4 0.000 -1.236 -0.198
H5 0.000 2.173 0.356
H6 0.000 -2.173 0.356
H7 0.000 1.307 -1.286
H8 0.000 -1.307 -1.286

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.09421.39451.39452.17492.17492.17182.1718
H21.09422.13442.13442.47582.47583.11603.1160
C31.39452.13442.47181.08833.45351.09102.7659
C41.39452.13442.47183.45351.08832.76591.0910
H52.17492.47581.08833.45354.34591.85663.8478
H62.17492.47583.45351.08834.34593.84781.8566
H72.17183.11601.09102.76591.85663.84782.6136
H82.17183.11602.76591.09103.84781.85662.6136

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 121.834 C1 C3 H7 121.319
C1 C4 H6 121.834 C1 C4 H8 121.319
H2 C1 C3 117.594 H2 C1 C4 117.594
C3 C1 C4 124.811 H5 C3 H7 116.847
H6 C4 H8 116.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability