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

using model chemistry: B2PLYP=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B2PLYP=FULL/3-21G
 hartrees
Energy at 0K-116.427006
Energy at 298.15K-116.431341
HF Energy-116.344090
Nuclear repulsion energy64.893678
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 B2PLYP=FULL/3-21G
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 3282 3125 17.70      
2 A1 3186 3033 2.78      
3 A1 3177 3024 11.58      
4 A1 1579 1503 2.67      
5 A1 1313 1250 0.23      
6 A1 1066 1015 0.28      
7 A1 452 430 0.00      
8 A2 802 763 0.00      
9 A2 568 541 0.00      
10 B1 1037 988 21.31      
11 B1 827 787 98.36      
12 B1 546 520 16.03      
13 B2 3278 3120 5.25      
14 B2 3180 3027 7.79      
15 B2 1549 1475 1.64      
16 B2 1482 1411 4.96      
17 B2 1204 1146 0.00      
18 B2 986 939 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 14756.1 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 14047.8 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 B2PLYP=FULL/3-21G
ABC
1.82315 0.34467 0.28987

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

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 1.534
C3 0.000 1.228 -0.197
C4 0.000 -1.228 -0.197
H5 0.000 2.157 0.357
H6 0.000 -2.157 0.357
H7 0.000 1.291 -1.280
H8 0.000 -1.291 -1.280

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08681.38661.38662.15932.15932.15552.1555
H21.08682.12232.12232.45762.45763.09513.0951
C31.38662.12232.45571.08213.43031.08392.7411
C41.38662.12232.45573.43031.08212.74111.0839
H52.15932.45761.08213.43034.31491.85163.8165
H62.15932.45763.43031.08214.31493.81651.8516
H72.15553.09511.08392.74111.85163.81652.5811
H82.15553.09512.74111.08393.81651.85162.5811

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 121.519 C1 C3 H7 121.002
C1 C4 H6 121.519 C1 C4 H8 121.002
H2 C1 C3 117.687 H2 C1 C4 117.687
C3 C1 C4 124.626 H5 C3 H7 117.479
H6 C4 H8 117.479
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability