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

using model chemistry: CCSD(T)=FULL/3-21G

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/3-21G
 hartrees
Energy at 0K-116.111206
Energy at 298.15K-116.115451
HF Energy-115.821711
Nuclear repulsion energy64.315894
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/3-21G
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 3205 3205        
2 A1 3113 3113        
3 A1 3102 3102        
4 A1 1560 1560        
5 A1 1285 1285        
6 A1 1036 1036        
7 A1 445 445        
8 A2 760 760        
9 A2 548 548        
10 B1 986 986        
11 B1 772 772        
12 B1 525 525        
13 B2 3200 3200        
14 B2 3107 3107        
15 B2 1532 1532        
16 B2 1459 1459        
17 B2 1168 1168        
18 B2 973 973        

Unscaled Zero Point Vibrational Energy (zpe) 14389.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14389.0 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/3-21G
ABC
1.78708 0.33854 0.28462

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/3-21G

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 1.548
C3 0.000 1.239 -0.200
C4 0.000 -1.239 -0.200
H5 0.000 2.177 0.353
H6 0.000 -2.177 0.353
H7 0.000 1.302 -1.289
H8 0.000 -1.302 -1.289

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.09431.40021.40022.17952.17952.17512.1751
H21.09432.14162.14162.48332.48333.12133.1213
C31.40022.14162.47741.08923.46031.09152.7644
C41.40022.14162.47743.46031.08922.76441.0915
H52.17952.48331.08923.46034.35441.86113.8473
H62.17952.48333.46031.08924.35443.84731.8611
H72.17513.12131.09152.76441.86113.84732.6038
H82.17513.12132.76441.09153.84731.86112.6038

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 121.721 C1 C3 H7 121.107
C1 C4 H6 121.721 C1 C4 H8 121.107
H2 C1 C3 117.788 H2 C1 C4 117.788
C3 C1 C4 124.425 H5 C3 H7 117.172
H6 C4 H8 117.172
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability