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

using model chemistry: CCSD/6-311G**

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/6-311G**
 hartrees
Energy at 0K-116.936972
Energy at 298.15K-116.941195
HF Energy-116.498282
Nuclear repulsion energy64.689098
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/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3269 3269 19.30      
2 A1 3176 3176 1.92      
3 A1 3167 3167 15.28      
4 A1 1537 1537 2.19      
5 A1 1280 1280 0.78      
6 A1 1041 1041 0.01      
7 A1 428 428 0.13      
8 A2 748 748 0.00      
9 A2 551 551 0.00      
10 B1 992 992 27.15      
11 B1 758 758 69.37      
12 B1 524 524 13.73      
13 B2 3266 3266 5.92      
14 B2 3163 3163 8.64      
15 B2 1518 1518 0.42      
16 B2 1425 1425 4.23      
17 B2 1176 1176 0.00      
18 B2 938 938 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 14478.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14478.1 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/6-311G**
ABC
1.80051 0.34333 0.28834

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.451
H2 0.000 0.000 1.541
C3 0.000 1.230 -0.199
C4 0.000 -1.230 -0.199
H5 0.000 2.163 0.355
H6 0.000 -2.163 0.355
H7 0.000 1.288 -1.285
H8 0.000 -1.288 -1.285

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08971.39151.39152.16502.16502.16122.1612
H21.08972.13082.13082.46642.46643.10503.1050
C31.39152.13082.46071.08503.43821.08712.7421
C41.39152.13082.46073.43821.08502.74211.0871
H52.16502.46641.08503.43824.32581.85903.8206
H62.16502.46643.43821.08504.32583.82061.8590
H72.16123.10501.08712.74211.85903.82062.5755
H82.16123.10502.74211.08713.82061.85902.5755

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 121.416 C1 C3 H7 120.876
C1 C4 H6 121.416 C1 C4 H8 120.876
H2 C1 C3 117.850 H2 C1 C4 117.850
C3 C1 C4 124.301 H5 C3 H7 117.708
H6 C4 H8 117.708
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability