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

using model chemistry: CCSD(T)/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 CCSD(T)/6-31G**
 hartrees
Energy at 0K-116.912078
Energy at 298.15K-116.916314
HF Energy-116.476798
Nuclear repulsion energy64.769619
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 CCSD(T)/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 3145        
2 A1 3217 3051        
3 A1 3208 3043        
4 A1 1568 1487        
5 A1 1296 1229        
6 A1 1051 997        
7 A1 430 408        
8 A2 754 716        
9 A2 562 533        
10 B1 1000 949        
11 B1 757 718        
12 B1 531 504        
13 B2 3313 3142        
14 B2 3208 3043        
15 B2 1550 1470        
16 B2 1449 1374        
17 B2 1204 1142        
18 B2 955 906        

Unscaled Zero Point Vibrational Energy (zpe) 14684.9 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 13928.6 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 CCSD(T)/6-31G**
ABC
1.80568 0.34381 0.28882

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/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 1.538
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
C11.08651.39121.39122.16402.16402.15772.1577
H21.08652.12842.12842.46712.46713.09873.0987
C31.39122.12842.45901.08123.43501.08342.7382
C41.39122.12842.45903.43501.08122.73821.0834
H52.16402.46711.08123.43504.32301.85033.8133
H62.16402.46713.43501.08124.32303.81331.8503
H72.15773.09871.08342.73821.85033.81332.5717
H82.15773.09872.73821.08343.81331.85032.5717

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 121.647 C1 C3 H7 120.874
C1 C4 H6 121.647 C1 C4 H8 120.874
H2 C1 C3 117.895 H2 C1 C4 117.895
C3 C1 C4 124.210 H5 C3 H7 117.478
H6 C4 H8 117.478
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability