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

using model chemistry: CCSD(T)=FULL/6-31G(2df,p)

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)=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-116.996868
Energy at 298.15K-117.001142
HF Energy-116.482818
Nuclear repulsion energy64.966927
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)=FULL/6-31G(2df,p)
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 3299 3299        
2 A1 3203 3203        
3 A1 3194 3194        
4 A1 1538 1538        
5 A1 1285 1285        
6 A1 1048 1048        
7 A1 425 425        
8 A2 781 781        
9 A2 568 568        
10 B1 1025 1025        
11 B1 800 800        
12 B1 541 541        
13 B2 3296 3296        
14 B2 3195 3195        
15 B2 1518 1518        
16 B2 1431 1431        
17 B2 1205 1205        
18 B2 946 946        

Unscaled Zero Point Vibrational Energy (zpe) 14648.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14648.8 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 CCSD(T)=FULL/6-31G(2df,p)
ABC
1.82045 0.34604 0.29077

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.448
H2 0.000 0.000 1.534
C3 0.000 1.225 -0.197
C4 0.000 -1.225 -0.197
H5 0.000 2.156 0.353
H6 0.000 -2.156 0.353
H7 0.000 1.284 -1.279
H8 0.000 -1.284 -1.279

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08631.38471.38472.15792.15792.15182.1518
H21.08632.12122.12122.45832.45833.09223.0922
C31.38472.12122.45041.08113.42551.08312.7322
C41.38472.12122.45043.42551.08112.73221.0831
H52.15792.45831.08113.42554.31161.85013.8070
H62.15792.45833.42551.08114.31163.80701.8501
H72.15183.09221.08312.73221.85013.80702.5676
H82.15183.09222.73221.08313.80701.85012.5676

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 121.634 C1 C3 H7 120.876
C1 C4 H6 121.634 C1 C4 H8 120.876
H2 C1 C3 117.776 H2 C1 C4 117.776
C3 C1 C4 124.449 H5 C3 H7 117.490
H6 C4 H8 117.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability