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

using model chemistry: QCISD(T)/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 QCISD(T)/6-311G**
 hartrees
Energy at 0K-116.953546
Energy at 298.15K-116.957744
HF Energy-116.498095
Nuclear repulsion energy64.565316
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 QCISD(T)/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 3251 3251        
2 A1 3156 3156        
3 A1 3149 3149        
4 A1 1527 1527        
5 A1 1270 1270        
6 A1 1032 1032        
7 A1 425 425        
8 A2 736 736        
9 A2 551 551        
10 B1 982 982        
11 B1 738 738        
12 B1 519 519        
13 B2 3248 3248        
14 B2 3146 3146        
15 B2 1510 1510        
16 B2 1416 1416        
17 B2 1180 1180        
18 B2 936 936        

Unscaled Zero Point Vibrational Energy (zpe) 14385.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14385.6 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 QCISD(T)/6-311G**
ABC
1.79043 0.34220 0.28729

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.453
H2 0.000 0.000 1.545
C3 0.000 1.233 -0.200
C4 0.000 -1.233 -0.200
H5 0.000 2.167 0.354
H6 0.000 -2.167 0.354
H7 0.000 1.286 -1.287
H8 0.000 -1.286 -1.287

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.09151.39481.39482.16972.16972.16392.1639
H21.09152.13592.13592.47302.47303.11013.1101
C31.39482.13592.46511.08653.44481.08882.7432
C41.39482.13592.46513.44481.08652.74321.0888
H52.16972.47301.08653.44484.33491.86293.8235
H62.16972.47303.44481.08654.33493.82351.8629
H72.16393.11011.08882.74321.86293.82352.5718
H82.16393.11012.74321.08883.82351.86292.5718

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 121.460 C1 C3 H7 120.717
C1 C4 H6 121.460 C1 C4 H8 120.717
H2 C1 C3 117.908 H2 C1 C4 117.908
C3 C1 C4 124.183 H5 C3 H7 117.823
H6 C4 H8 117.823
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability