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

using model chemistry: QCISD(TQ)/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at QCISD(TQ)/6-31G**
 hartrees
Energy at 0K-116.913292
Energy at 298.15K-116.917519
HF Energy-116.476794
Nuclear repulsion energy64.744489
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(TQ)/6-31G**
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 3316 3316        
2 A1 3217 3217        
3 A1 3208 3208        
4 A1 1567 1567        
5 A1 1294 1294        
6 A1 1050 1050        
7 A1 430 430        
8 A2 750 750        
9 A2 560 560        
10 B1 996 996        
11 B1 752 752        
12 B1 529 529        
13 B2 3312 3312        
14 B2 3209 3209        
15 B2 1551 1551        
16 B2 1449 1449        
17 B2 1208 1208        
18 B2 955 955        

Unscaled Zero Point Vibrational Energy (zpe) 14675.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14675.7 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(TQ)/6-31G**
ABC
1.80410 0.34350 0.28856

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.452
H2 0.000 0.000 1.539
C3 0.000 1.230 -0.199
C4 0.000 -1.230 -0.199
H5 0.000 2.162 0.349
H6 0.000 -2.162 0.349
H7 0.000 1.286 -1.281
H8 0.000 -1.286 -1.281

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08641.39201.39202.16472.16472.15852.1585
H21.08642.12922.12922.46802.46803.09943.0994
C31.39202.12922.46031.08123.43631.08342.7392
C41.39202.12922.46033.43631.08122.73921.0834
H52.16472.46801.08123.43634.32441.85033.8143
H62.16472.46803.43631.08124.32443.81431.8503
H72.15853.09941.08342.73921.85033.81432.5727
H82.15853.09942.73921.08343.81431.85032.5727

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 121.642 C1 C3 H7 120.880
C1 C4 H6 121.642 C1 C4 H8 120.880
H2 C1 C3 117.906 H2 C1 C4 117.906
C3 C1 C4 124.188 H5 C3 H7 117.478
H6 C4 H8 117.478
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability