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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-116.889241
Energy at 298.15K-116.893557
HF Energy-116.498254
Nuclear repulsion energy65.137049
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 MP2/6-311G**
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 3313 3148 12.66      
2 A1 3208 3048 0.29      
3 A1 3201 3042 14.05      
4 A1 1551 1474 3.01      
5 A1 1307 1242 1.10      
6 A1 1065 1012 0.04      
7 A1 435 413 0.14      
8 A2 792 752 0.00      
9 A2 586 557 0.00      
10 B1 1051 998 28.27      
11 B1 808 767 79.01      
12 B1 551 524 15.57      
13 B2 3311 3146 3.51      
14 B2 3198 3038 7.77      
15 B2 1512 1437 0.61      
16 B2 1424 1353 8.37      
17 B2 1136 1079 0.50      
18 B2 946 898 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 14695.4 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 13963.5 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 MP2/6-311G**
ABC
1.82122 0.34912 0.29296

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

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 1.535
C3 0.000 1.220 -0.197
C4 0.000 -1.220 -0.197
H5 0.000 2.151 0.355
H6 0.000 -2.151 0.355
H7 0.000 1.274 -1.280
H8 0.000 -1.274 -1.280

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08791.37901.37902.15252.15252.14602.1460
H21.08792.11812.11812.45292.45293.08973.0897
C31.37902.11812.43901.08233.41491.08452.7185
C41.37902.11812.43903.41491.08232.71851.0845
H52.15252.45291.08233.41494.30101.85523.7947
H62.15252.45293.41491.08234.30103.79471.8552
H72.14603.08971.08452.71851.85523.79472.5477
H82.14603.08972.71851.08453.79471.85522.5477

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 121.511 C1 C3 H7 120.705
C1 C4 H6 121.511 C1 C4 H8 120.705
H2 C1 C3 117.833 H2 C1 C4 117.833
C3 C1 C4 124.334 H5 C3 H7 117.784
H6 C4 H8 117.784
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability