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

using model chemistry: MP2/SDD

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/SDD
 hartrees
Energy at 0K-116.657561
Energy at 298.15K-116.661783
HF Energy-116.439175
Nuclear repulsion energy64.032605
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/SDD
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 3291 3176 35.70      
2 A1 3181 3070 6.07      
3 A1 3162 3053 19.19      
4 A1 1559 1505 5.29      
5 A1 1294 1249 0.07      
6 A1 1050 1013 0.55      
7 A1 432 417 0.00      
8 A2 739 713 0.00      
9 A2 559 540 0.00      
10 B1 1016 981 45.45      
11 B1 752 726 117.98      
12 B1 539 520 22.94      
13 B2 3283 3169 7.89      
14 B2 3161 3051 21.20      
15 B2 1530 1477 3.04      
16 B2 1446 1395 6.61      
17 B2 1157 1117 0.05      
18 B2 950 917 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 14549.6 cm-1
Scaled (by 0.9653) Zero Point Vibrational Energy (zpe) 14044.8 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/SDD
ABC
1.78785 0.33392 0.28137

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/SDD

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.451
H2 0.000 0.000 1.547
C3 0.000 1.248 -0.200
C4 0.000 -1.248 -0.200
H5 0.000 2.184 0.362
H6 0.000 -2.184 0.362
H7 0.000 1.316 -1.291
H8 0.000 -1.316 -1.291

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.09631.40741.40742.18542.18542.18312.1831
H21.09632.14692.14692.48462.48463.12843.1284
C31.40742.14692.49601.09113.47721.09312.7868
C41.40742.14692.49603.47721.09112.78681.0931
H52.18542.48461.09113.47724.36721.86623.8704
H62.18542.48463.47721.09114.36723.87041.8662
H72.18313.12841.09312.78681.86623.87042.6327
H82.18313.12842.78681.09313.87041.86622.6327

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 121.496 C1 C3 H7 121.117
C1 C4 H6 121.496 C1 C4 H8 121.117
H2 C1 C3 117.533 H2 C1 C4 117.533
C3 C1 C4 124.933 H5 C3 H7 117.387
H6 C4 H8 117.387
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability