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

using model chemistry: BLYP/CEP-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 BLYP/CEP-31G*
 hartrees
Energy at 0K-19.787257
Energy at 298.15K-19.791409
HF Energy-19.787257
Nuclear repulsion energy35.324691
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 BLYP/CEP-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 3160 3143 41.52      
2 A1 3071 3054 0.76      
3 A1 3057 3040 20.69      
4 A1 1475 1467 2.98      
5 A1 1238 1232 0.18      
6 A1 996 991 0.54      
7 A1 406 404 0.02      
8 A2 768 764 0.00      
9 A2 537 534 0.00      
10 B1 1000 994 35.79      
11 B1 808 803 153.01      
12 B1 512 510 24.95      
13 B2 3152 3135 12.83      
14 B2 3065 3048 18.40      
15 B2 1484 1475 0.72      
16 B2 1366 1359 4.41      
17 B2 1189 1182 0.82      
18 B2 887 882 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 14085.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 14008.0 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 BLYP/CEP-31G*
ABC
1.73671 0.33019 0.27744

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.462
H2 0.000 0.000 1.566
C3 0.000 1.255 -0.204
C4 0.000 -1.255 -0.204
H5 0.000 2.203 0.358
H6 0.000 -2.203 0.358
H7 0.000 1.314 -1.304
H8 0.000 -1.314 -1.304

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.10441.42021.42022.20552.20552.20122.2012
H21.10442.16932.16932.51242.51243.15663.1566
C31.42022.16932.50961.10233.50331.10202.7950
C41.42022.16932.50963.50331.10232.79501.1020
H52.20552.51241.10233.50334.40621.88493.8906
H62.20552.51243.50331.10234.40623.89061.8849
H72.20123.15661.10202.79501.88493.89062.6289
H82.20123.15662.79501.10203.89061.88492.6289

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 121.424 C1 C3 H7 121.032
C1 C4 H6 121.424 C1 C4 H8 121.032
H2 C1 C3 117.929 H2 C1 C4 117.929
C3 C1 C4 124.142 H5 C3 H7 117.544
H6 C4 H8 117.544
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.181      
2 H 0.299      
3 C -0.685      
4 C -0.685      
5 H 0.200      
6 H 0.200      
7 H 0.246      
8 H 0.246      


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 0.104 0.104
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.278 0.000 0.000
y 0.000 -17.415 0.000
z 0.000 0.000 -16.838
Traceless
 xyz
x -5.152 0.000 0.000
y 0.000 2.144 0.000
z 0.000 0.000 3.008
Polar
3z2-r26.016
x2-y2-4.864
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.458 0.000 0.000
y 0.000 7.997 0.000
z 0.000 0.000 4.358


<r2> (average value of r2) Å2
<r2> 44.822
(<r2>)1/2 6.695