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

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at G4
 hartrees
Energy at 0K-117.165772
Energy at 298.15K-117.160973
HF Energy-117.270873
Nuclear repulsion energy64.950894
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 B3LYP/6-31G(2df,p)
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 3250 3136 17.17      
2 A1 3156 3045 3.53      
3 A1 3140 3030 14.68      
4 A1 1519 1466 2.04      
5 A1 1271 1226 1.05      
6 A1 1041 1005 0.00      
7 A1 422 407 0.11      
8 A2 784 757 0.00      
9 A2 556 536 0.00      
10 B1 1023 987 12.05      
11 B1 808 779 59.99      
12 B1 537 518 10.63      
13 B2 3247 3134 4.53      
14 B2 3149 3039 6.74      
15 B2 1509 1456 0.29      
16 B2 1421 1371 4.81      
17 B2 1220 1177 0.06      
18 B2 932 900 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 14491.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 13984.6 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 B3LYP/6-31G(2df,p)
ABC
1.84046 0.34453 0.29020

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.441
H2 0.000 0.000 1.530
C3 0.000 1.227 -0.195
C4 0.000 -1.227 -0.195
H5 0.000 2.157 0.361
H6 0.000 -2.157 0.361
H7 0.000 1.297 -1.278
H8 0.000 -1.297 -1.278

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08911.38251.38252.15832.15832.15362.1536
H21.08912.11722.11722.45312.45313.09333.0933
C31.38252.11722.45501.08313.42971.08542.7471
C41.38252.11722.45503.42971.08312.74711.0854
H52.15832.45311.08313.42974.31371.85123.8233
H62.15832.45313.42971.08314.31373.82331.8512
H72.15363.09331.08542.74711.85123.82332.5941
H82.15363.09332.74711.08543.82331.85122.5941

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 121.549 C1 C3 H7 121.020
C1 C4 H6 121.549 C1 C4 H8 121.020
H2 C1 C3 117.538 H2 C1 C4 117.538
C3 C1 C4 124.923 H5 C3 H7 117.431
H6 C4 H8 117.431
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.064      
2 H 0.087      
3 C -0.305      
4 C -0.305      
5 H 0.117      
6 H 0.117      
7 H 0.112      
8 H 0.112      


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 0.073 0.073
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 50.009
(<r2>)1/2 7.072