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

using model chemistry: MP3/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-116.946735
Energy at 298.15K-116.951092
HF Energy-116.482682
Nuclear repulsion energy65.248745
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(2df,p)
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 3336 3336 8.73      
2 A1 3237 3237 0.19      
3 A1 3230 3230 10.49      
4 A1 1557 1557 2.80      
5 A1 1312 1312 0.87      
6 A1 1071 1071 0.02      
7 A1 432 432 0.17      
8 A2 831 831 0.00      
9 A2 597 597 0.00      
10 B1 1077 1077 15.09      
11 B1 854 854 70.37      
12 B1 567 567 11.72      
13 B2 3333 3333 2.16      
14 B2 3227 3227 4.19      
15 B2 1517 1517 0.19      
16 B2 1436 1436 7.44      
17 B2 1150 1150 1.19      
18 B2 950 950 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 14856.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14856.7 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 MP3/6-31G(2df,p)
ABC
1.83438 0.34966 0.29368

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.445
H2 0.000 0.000 1.530
C3 0.000 1.218 -0.196
C4 0.000 -1.218 -0.196
H5 0.000 2.148 0.354
H6 0.000 -2.148 0.354
H7 0.000 1.277 -1.276
H8 0.000 -1.277 -1.276

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08491.37671.37672.14952.14952.14332.1433
H21.08492.11262.11262.44862.44863.08313.0831
C31.37672.11262.43681.07963.41051.08182.7193
C41.37672.11262.43683.41051.07962.71931.0818
H52.14952.44861.07963.41054.29511.84783.7928
H62.14952.44863.41051.07964.29513.79281.8478
H72.14333.08311.08182.71931.84783.79282.5543
H82.14333.08312.71931.08183.79281.84782.5543

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 121.643 C1 C3 H7 120.862
C1 C4 H6 121.643 C1 C4 H8 120.862
H2 C1 C3 117.748 H2 C1 C4 117.748
C3 C1 C4 124.503 H5 C3 H7 117.495
H6 C4 H8 117.495
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability