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

using model chemistry: B3PW91/STO-3G

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/STO-3G
 hartrees
Energy at 0K-115.788278
Energy at 298.15K-115.792354
HF Energy-115.788278
Nuclear repulsion energy64.370576
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/STO-3G
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 3582 3170 0.00      
2 A1 3461 3063 0.20      
3 A1 3419 3026 0.42      
4 A1 1645 1456 0.48      
5 A1 1351 1196 0.18      
6 A1 1098 972 0.10      
7 A1 436 385 0.10      
8 A2 780 691 0.00      
9 A2 603 534 0.00      
10 B1 1073 949 8.04      
11 B1 791 700 35.18      
12 B1 552 489 6.06      
13 B2 3580 3169 0.12      
14 B2 3411 3018 21.42      
15 B2 1603 1419 1.03      
16 B2 1511 1337 5.53      
17 B2 1234 1092 2.99      
18 B2 989 876 0.49      

Unscaled Zero Point Vibrational Energy (zpe) 15558.8 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 13769.5 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/STO-3G
ABC
1.79167 0.33973 0.28558

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.449
H2 0.000 0.000 1.548
C3 0.000 1.236 -0.199
C4 0.000 -1.236 -0.199
H5 0.000 2.175 0.363
H6 0.000 -2.175 0.363
H7 0.000 1.305 -1.292
H8 0.000 -1.305 -1.292

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.09941.39521.39522.17722.17722.17552.1755
H21.09942.14002.14002.47762.47763.12563.1256
C31.39522.14002.47151.09463.45711.09532.7657
C41.39522.14002.47153.45711.09462.76571.0953
H52.17722.47761.09463.45714.35101.86953.8535
H62.17722.47763.45711.09464.35103.85351.8695
H72.17553.12561.09532.76571.86953.85352.6096
H82.17553.12562.76571.09533.85351.86952.6096

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 121.490 C1 C3 H7 121.274
C1 C4 H6 121.490 C1 C4 H8 121.274
H2 C1 C3 117.659 H2 C1 C4 117.659
C3 C1 C4 124.682 H5 C3 H7 117.236
H6 C4 H8 117.236
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.096      
2 H 0.081      
3 C -0.149      
4 C -0.149      
5 H 0.079      
6 H 0.079      
7 H 0.077      
8 H 0.077      


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 0.001 0.001
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.285 0.000 0.000
y 0.000 -16.734 0.000
z 0.000 0.000 -16.592
Traceless
 xyz
x -2.622 0.000 0.000
y 0.000 1.204 0.000
z 0.000 0.000 1.418
Polar
3z2-r22.836
x2-y2-2.551
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.617 0.000 0.000
y 0.000 4.521 0.000
z 0.000 0.000 2.544


<r2> (average value of r2) Å2
<r2> 49.830
(<r2>)1/2 7.059