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

using model chemistry: CCSD/STO-3G

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/STO-3G
 hartrees
Energy at 0K-115.244830
Energy at 298.15K-115.248797
HF Energy-115.051686
Nuclear repulsion energy63.588952
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/STO-3G
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 3517 3517 1.08      
2 A1 3414 3414 0.16      
3 A1 3365 3365 0.00      
4 A1 1637 1637 0.01      
5 A1 1334 1334 0.13      
6 A1 1078 1078 0.02      
7 A1 430 430 0.00      
8 A2 719 719 0.00      
9 A2 595 595 0.00      
10 B1 1040 1040 3.97      
11 B1 721 721 19.05      
12 B1 535 535 2.77      
13 B2 3516 3516 0.11      
14 B2 3360 3360 3.66      
15 B2 1591 1591 2.74      
16 B2 1492 1492 0.08      
17 B2 1123 1123 1.97      
18 B2 979 979 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 15221.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15221.6 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/STO-3G
ABC
1.73766 0.33196 0.27872

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.460
H2 0.000 0.000 1.569
C3 0.000 1.251 -0.203
C4 0.000 -1.251 -0.203
H5 0.000 2.202 0.359
H6 0.000 -2.202 0.359
H7 0.000 1.313 -1.307
H8 0.000 -1.313 -1.307

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.10891.41521.41522.20432.20432.20082.2008
H21.10892.16842.16842.51232.51233.16083.1608
C31.41522.16842.50111.10493.49791.10562.7910
C41.41522.16842.50113.49791.10492.79101.1056
H52.20432.51231.10493.49794.40391.88813.8895
H62.20432.51233.49791.10494.40393.88951.8881
H72.20083.16081.10562.79101.88813.88952.6257
H82.20083.16082.79101.10563.88951.88812.6257

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 121.523 C1 C3 H7 121.143
C1 C4 H6 121.523 C1 C4 H8 121.143
H2 C1 C3 117.913 H2 C1 C4 117.913
C3 C1 C4 124.175 H5 C3 H7 117.334
H6 C4 H8 117.334
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability