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

using model chemistry: MP2=FULL/CEP-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 MP2=FULL/CEP-31G*
 hartrees
Energy at 0K-19.640550
Energy at 298.15K-19.644810
HF Energy-19.321293
Nuclear repulsion energy35.649500
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=FULL/CEP-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 3326 3135 25.56      
2 A1 3229 3044 4.28      
3 A1 3210 3026 13.96      
4 A1 1560 1471 3.66      
5 A1 1315 1240 0.38      
6 A1 1057 996 0.36      
7 A1 429 404 0.02      
8 A2 752 709 0.00      
9 A2 574 541 0.00      
10 B1 1069 1007 42.62      
11 B1 794 749 138.23      
12 B1 555 523 27.20      
13 B2 3319 3129 7.81      
14 B2 3209 3025 20.23      
15 B2 1534 1446 0.29      
16 B2 1422 1341 7.96      
17 B2 1177 1109 0.01      
18 B2 931 878 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 14729.1 cm-1
Scaled (by 0.9427) Zero Point Vibrational Energy (zpe) 13885.1 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=FULL/CEP-31G*
ABC
1.75002 0.33816 0.28340

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/CEP-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.462
H2 0.000 0.000 1.558
C3 0.000 1.240 -0.203
C4 0.000 -1.240 -0.203
H5 0.000 2.183 0.350
H6 0.000 -2.183 0.350
H7 0.000 1.288 -1.296
H8 0.000 -1.288 -1.296

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.09611.40721.40722.18622.18622.17942.1794
H21.09612.15412.15412.49512.49513.13153.1315
C31.40722.15412.48001.09383.46781.09412.7538
C41.40722.15412.48003.46781.09382.75381.0941
H52.18622.49511.09383.46784.36671.87463.8417
H62.18622.49513.46781.09384.36673.84171.8746
H72.17943.13151.09412.75381.87463.84172.5752
H82.17943.13152.75381.09413.84171.87462.5752

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 121.372 C1 C3 H7 120.712
C1 C4 H6 121.372 C1 C4 H8 120.712
H2 C1 C3 118.217 H2 C1 C4 118.217
C3 C1 C4 123.565 H5 C3 H7 117.916
H6 C4 H8 117.916
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability