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

using model chemistry: B3LYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B3LYP/6-31G**
 hartrees
Energy at 0K-117.268210
Energy at 298.15K-117.272459
HF Energy-117.268210
Nuclear repulsion energy64.845812
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**
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 3260 3132 21.25      
2 A1 3164 3040 3.67      
3 A1 3148 3025 16.78      
4 A1 1535 1475 1.77      
5 A1 1278 1228 0.81      
6 A1 1044 1003 0.03      
7 A1 426 409 0.05      
8 A2 777 747 0.00      
9 A2 554 532 0.00      
10 B1 1016 977 14.02      
11 B1 801 770 68.91      
12 B1 535 514 11.31      
13 B2 3257 3129 5.98      
14 B2 3157 3034 8.41      
15 B2 1529 1469 0.26      
16 B2 1430 1374 4.44      
17 B2 1218 1170 0.07      
18 B2 938 901 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 14533.5 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 13963.8 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**
ABC
1.83117 0.34356 0.28928

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.443
H2 0.000 0.000 1.533
C3 0.000 1.229 -0.196
C4 0.000 -1.229 -0.196
H5 0.000 2.159 0.361
H6 0.000 -2.159 0.361
H7 0.000 1.298 -1.280
H8 0.000 -1.298 -1.280

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08991.38541.38542.16102.16102.15712.1571
H21.08992.12132.12132.45682.45683.09793.0979
C31.38542.12132.45871.08423.43431.08622.7501
C41.38542.12132.45873.43431.08422.75011.0862
H52.16102.45681.08423.43434.31891.85343.8273
H62.16102.45683.43431.08424.31893.82731.8534
H72.15713.09791.08622.75011.85343.82732.5962
H82.15713.09792.75011.08623.82731.85342.5962

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 121.620 C1 C3 H7 121.088
C1 C4 H6 121.620 C1 C4 H8 121.088
H2 C1 C3 117.458 H2 C1 C4 117.458
C3 C1 C4 125.083 H5 C3 H7 117.292
H6 C4 H8 117.292
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.012      
2 H 0.085      
3 C -0.239      
4 C -0.239      
5 H 0.103      
6 H 0.103      
7 H 0.099      
8 H 0.099      


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 0.072 0.072
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.446 0.000 0.000
y 0.000 -17.613 0.000
z 0.000 0.000 -17.457
Traceless
 xyz
x -3.911 0.000 0.000
y 0.000 1.839 0.000
z 0.000 0.000 2.072
Polar
3z2-r24.145
x2-y2-3.833
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.868 0.000 0.000
y 0.000 7.461 0.000
z 0.000 0.000 4.612


<r2> (average value of r2) Å2
<r2> 50.123
(<r2>)1/2 7.080