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

using model chemistry: MP4=FULL/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at MP4=FULL/CEP-121G
 hartrees
Energy at 0K-19.556749
Energy at 298.15K-19.560872
HF Energy-19.286626
Nuclear repulsion energy35.439897
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 MP4=FULL/CEP-121G
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 3168 3168        
2 A1 3068 3068        
3 A1 3049 3049        
4 A1 1521 1521        
5 A1 1266 1266        
6 A1 1025 1025        
7 A1 423 423        
8 A2 683 683        
9 A2 533 533        
10 B1 954 954        
11 B1 668 668        
12 B1 512 512        
13 B2 3163 3163        
14 B2 3047 3047        
15 B2 1494 1494        
16 B2 1404 1404        
17 B2 1131 1131        
18 B2 933 933        

Unscaled Zero Point Vibrational Energy (zpe) 14019.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14019.5 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 MP4=FULL/CEP-121G
ABC
1.75584 0.33150 0.27885

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.458
H2 0.000 0.000 1.559
C3 0.000 1.253 -0.202
C4 0.000 -1.253 -0.202
H5 0.000 2.195 0.357
H6 0.000 -2.195 0.357
H7 0.000 1.315 -1.299
H8 0.000 -1.315 -1.299

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.10061.41591.41592.19732.19732.19472.1947
H21.10062.16082.16082.50242.50243.14573.1457
C31.41592.16082.50511.09563.49251.09862.7923
C41.41592.16082.50513.49251.09562.79231.0986
H52.19732.50241.09563.49254.38991.87483.8811
H62.19732.50243.49251.09564.38993.88111.8748
H72.19473.14571.09862.79231.87483.88112.6306
H82.19473.14572.79231.09863.88111.87482.6306

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 121.537 C1 C3 H7 121.064
C1 C4 H6 121.537 C1 C4 H8 121.064
H2 C1 C3 117.790 H2 C1 C4 117.790
C3 C1 C4 124.420 H5 C3 H7 117.399
H6 C4 H8 117.399
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability