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

using model chemistry: CCSD=FULL/CEP-121G

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=FULL/CEP-121G
 hartrees
Energy at 0K-19.562115
Energy at 298.15K-19.566161
HF Energy-19.286237
Nuclear repulsion energy35.306081
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=FULL/CEP-121G
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 3149 3149 43.70      
2 A1 3058 3058 7.79      
3 A1 3034 3034 18.79      
4 A1 1512 1512 2.40      
5 A1 1246 1246 0.25      
6 A1 1006 1006 0.13      
7 A1 420 420 0.01      
8 A2 658 658 0.00      
9 A2 507 507 0.00      
10 B1 909 909 45.91      
11 B1 642 642 89.91      
12 B1 490 490 8.80      
13 B2 3143 3143 12.96      
14 B2 3032 3032 17.27      
15 B2 1493 1493 1.75      
16 B2 1402 1402 2.98      
17 B2 1153 1153 0.14      
18 B2 928 928 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 13890.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13890.4 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=FULL/CEP-121G
ABC
1.74105 0.32821 0.27615

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.462
H2 0.000 0.000 1.563
C3 0.000 1.259 -0.204
C4 0.000 -1.259 -0.204
H5 0.000 2.203 0.356
H6 0.000 -2.203 0.356
H7 0.000 1.322 -1.301
H8 0.000 -1.322 -1.301

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.10071.42441.42442.20532.20532.20372.2037
H21.10072.16932.16932.51182.51183.15433.1543
C31.42442.16932.51861.09673.50691.09932.8049
C41.42442.16932.51863.50691.09672.80491.0993
H52.20532.51181.09673.50694.40541.87623.8946
H62.20532.51183.50691.09674.40543.89461.8762
H72.20373.15431.09932.80491.87623.89462.6439
H82.20373.15432.80491.09933.89461.87622.6439

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 121.484 C1 C3 H7 121.128
C1 C4 H6 121.484 C1 C4 H8 121.128
H2 C1 C3 117.860 H2 C1 C4 117.860
C3 C1 C4 124.280 H5 C3 H7 117.388
H6 C4 H8 117.388
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability