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

using model chemistry: B3PW91/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B3PW91/CEP-31G
 hartrees
Energy at 0K-19.912601
Energy at 298.15K-19.916886
HF Energy-19.912601
Nuclear repulsion energy35.498096
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 B3PW91/CEP-31G
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 3285 3144 59.94      
2 A1 3185 3049 4.92      
3 A1 3167 3032 23.40      
4 A1 1522 1457 4.66      
5 A1 1284 1229 0.11      
6 A1 1033 989 0.79      
7 A1 422 404 0.04      
8 A2 832 797 0.00      
9 A2 557 534 0.00      
10 B1 1040 996 26.70      
11 B1 871 834 187.31      
12 B1 535 512 24.20      
13 B2 3276 3136 17.33      
14 B2 3167 3032 28.04      
15 B2 1523 1458 1.12      
16 B2 1421 1360 9.71      
17 B2 1236 1183 0.17      
18 B2 932 892 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 14643.3 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 14018.0 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 B3PW91/CEP-31G
ABC
1.75018 0.33306 0.27981

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/CEP-31G

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 1.557
C3 0.000 1.250 -0.204
C4 0.000 -1.250 -0.204
H5 0.000 2.191 0.354
H6 0.000 -2.191 0.354
H7 0.000 1.309 -1.296
H8 0.000 -1.309 -1.296

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.09581.41561.41562.19392.19392.19182.1918
H21.09582.15922.15922.49992.49993.13963.1396
C31.41562.15922.49941.09423.48581.09442.7824
C41.41562.15922.49943.48581.09422.78241.0944
H52.19392.49991.09423.48584.38251.87133.8699
H62.19392.49993.48581.09424.38253.86991.8713
H72.19183.13961.09442.78241.87133.86992.6183
H82.19183.13962.78241.09443.86991.87132.6183

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 121.347 C1 C3 H7 121.134
C1 C4 H6 121.347 C1 C4 H8 121.134
H2 C1 C3 118.021 H2 C1 C4 118.021
C3 C1 C4 123.958 H5 C3 H7 117.518
H6 C4 H8 117.518
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.136      
2 H 0.265      
3 C -0.586      
4 C -0.586      
5 H 0.174      
6 H 0.174      
7 H 0.212      
8 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.068 0.068
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.289 0.000 0.000
y 0.000 -17.359 0.000
z 0.000 0.000 -16.857
Traceless
 xyz
x -5.182 0.000 0.000
y 0.000 2.214 0.000
z 0.000 0.000 2.967
Polar
3z2-r25.935
x2-y2-4.931
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.250 0.000 0.000
y 0.000 7.597 0.000
z 0.000 0.000 4.154


<r2> (average value of r2) Å2
<r2> 44.509
(<r2>)1/2 6.672