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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-116.574077
Energy at 298.15K-116.578386
HF Energy-116.574077
Nuclear repulsion energy64.868718
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 B3PW91/3-21G
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 3267 3140 16.29      
2 A1 3169 3046 2.73      
3 A1 3160 3037 10.66      
4 A1 1553 1492 3.48      
5 A1 1299 1248 0.25      
6 A1 1058 1017 0.57      
7 A1 444 427 0.04      
8 A2 799 768 0.00      
9 A2 556 535 0.00      
10 B1 1024 985 22.67      
11 B1 829 797 111.45      
12 B1 538 517 19.24      
13 B2 3262 3136 4.42      
14 B2 3163 3041 7.57      
15 B2 1531 1472 1.20      
16 B2 1466 1409 8.02      
17 B2 1235 1187 0.00      
18 B2 972 934 0.49      

Unscaled Zero Point Vibrational Energy (zpe) 14662.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 14093.8 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 B3PW91/3-21G
ABC
1.82122 0.34473 0.28987

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.446
H2 0.000 0.000 1.535
C3 0.000 1.227 -0.197
C4 0.000 -1.227 -0.197
H5 0.000 2.158 0.359
H6 0.000 -2.158 0.359
H7 0.000 1.291 -1.281
H8 0.000 -1.291 -1.281

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08951.38531.38532.16002.16002.15652.1565
H21.08952.12282.12282.45782.45783.09853.0985
C31.38532.12282.45461.08453.43101.08642.7422
C41.38532.12282.45463.43101.08452.74221.0864
H52.16002.45781.08453.43104.31661.85563.8200
H62.16002.45783.43101.08454.31663.82001.8556
H72.15653.09851.08642.74221.85563.82002.5828
H82.15653.09852.74221.08643.82001.85562.5828

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 121.512 C1 C3 H7 121.016
C1 C4 H6 121.512 C1 C4 H8 121.016
H2 C1 C3 117.634 H2 C1 C4 117.634
C3 C1 C4 124.732 H5 C3 H7 117.472
H6 C4 H8 117.472
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.249      
2 H 0.217      
3 C -0.404      
4 C -0.404      
5 H 0.212      
6 H 0.212      
7 H 0.208      
8 H 0.208      


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 0.041 0.041
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.102 0.000 0.000
y 0.000 -17.200 0.000
z 0.000 0.000 -17.170
Traceless
 xyz
x -4.917 0.000 0.000
y 0.000 2.436 0.000
z 0.000 0.000 2.480
Polar
3z2-r24.961
x2-y2-4.902
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.349 0.000 0.000
y 0.000 6.981 0.000
z 0.000 0.000 4.285


<r2> (average value of r2) Å2
<r2> 50.039
(<r2>)1/2 7.074