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

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-117.103176
Energy at 298.15K-117.107440
HF Energy-116.986238
Nuclear repulsion energy64.926619
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 B2PLYP/6-31G*
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 3300 3132 19.88      
2 A1 3205 3042 2.96      
3 A1 3190 3028 16.60      
4 A1 1564 1484 1.91      
5 A1 1303 1236 0.69      
6 A1 1060 1006 0.04      
7 A1 431 409 0.06      
8 A2 779 739 0.00      
9 A2 565 536 0.00      
10 B1 1027 975 17.42      
11 B1 800 759 76.92      
12 B1 542 514 12.50      
13 B2 3297 3130 6.08      
14 B2 3198 3036 8.88      
15 B2 1543 1465 0.27      
16 B2 1450 1376 4.71      
17 B2 1209 1148 0.00      
18 B2 954 905 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 14706.9 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 13959.8 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 B2PLYP/6-31G*
ABC
1.82721 0.34505 0.29024

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.445
H2 0.000 0.000 1.533
C3 0.000 1.227 -0.197
C4 0.000 -1.227 -0.197
H5 0.000 2.157 0.357
H6 0.000 -2.157 0.357
H7 0.000 1.292 -1.279
H8 0.000 -1.292 -1.279

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08821.38431.38432.15922.15922.15442.1544
H21.08822.12062.12062.45752.45753.09493.0949
C31.38432.12062.45331.08273.42891.08482.7411
C41.38432.12062.45333.42891.08272.74111.0848
H52.15922.45751.08273.42894.31481.85093.8172
H62.15922.45753.42891.08274.31483.81721.8509
H72.15443.09491.08482.74111.85093.81722.5830
H82.15443.09492.74111.08483.81721.85092.5830

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 121.670 C1 C3 H7 121.040
C1 C4 H6 121.670 C1 C4 H8 121.040
H2 C1 C3 117.611 H2 C1 C4 117.611
C3 C1 C4 124.778 H5 C3 H7 117.289
H6 C4 H8 117.289
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.059      
2 H 0.145      
3 C -0.350      
4 C -0.350      
5 H 0.155      
6 H 0.155      
7 H 0.152      
8 H 0.152      


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 0.074 0.074
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.651 0.000 0.000
y 0.000 -17.625 0.000
z 0.000 0.000 -17.469
Traceless
 xyz
x -4.104 0.000 0.000
y 0.000 1.935 0.000
z 0.000 0.000 2.169
Polar
3z2-r24.338
x2-y2-4.026
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.775 0.000 0.000
y 0.000 7.271 0.000
z 0.000 0.000 4.498


<r2> (average value of r2) Å2
<r2> 50.045
(<r2>)1/2 7.074