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

using model chemistry: B3LYP/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 B3LYP/3-21G
 hartrees
Energy at 0K-116.619932
Energy at 298.15K-116.624245
HF Energy-116.619932
Nuclear repulsion energy64.862337
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/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 3258 3143 18.93      
2 A1 3164 3053 4.25      
3 A1 3151 3040 10.65      
4 A1 1560 1505 2.82      
5 A1 1299 1253 0.29      
6 A1 1056 1019 0.32      
7 A1 446 431 0.01      
8 A2 797 769 0.00      
9 A2 558 538 0.00      
10 B1 1027 991 19.24      
11 B1 825 796 99.86      
12 B1 540 521 16.79      
13 B2 3253 3139 5.26      
14 B2 3158 3047 7.52      
15 B2 1536 1482 1.43      
16 B2 1473 1421 5.97      
17 B2 1232 1189 0.03      
18 B2 975 941 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 14653.5 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 14139.2 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/3-21G
ABC
1.82679 0.34406 0.28953

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

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 1.229 -0.197
C4 0.000 -1.229 -0.197
H5 0.000 2.159 0.359
H6 0.000 -2.159 0.359
H7 0.000 1.295 -1.280
H8 0.000 -1.295 -1.280

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08861.38581.38582.16022.16022.15652.1565
H21.08862.12162.12162.45702.45703.09683.0968
C31.38582.12162.45721.08343.43241.08542.7461
C41.38582.12162.45723.43241.08342.74611.0854
H52.16022.45701.08343.43244.31701.85293.8227
H62.16022.45703.43241.08344.31703.82271.8529
H72.15653.09681.08542.74611.85293.82272.5896
H82.15653.09682.74611.08543.82271.85292.5896

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 121.571 C1 C3 H7 121.056
C1 C4 H6 121.571 C1 C4 H8 121.056
H2 C1 C3 117.558 H2 C1 C4 117.558
C3 C1 C4 124.885 H5 C3 H7 117.372
H6 C4 H8 117.372
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.210      
2 H 0.189      
3 C -0.363      
4 C -0.363      
5 H 0.188      
6 H 0.188      
7 H 0.185      
8 H 0.185      


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 0.053 0.053
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.978 0.000 0.000
y 0.000 -17.441 0.000
z 0.000 0.000 -17.391
Traceless
 xyz
x -4.562 0.000 0.000
y 0.000 2.244 0.000
z 0.000 0.000 2.319
Polar
3z2-r24.637
x2-y2-4.537
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.336 0.000 0.000
y 0.000 7.005 0.000
z 0.000 0.000 4.285


<r2> (average value of r2) Å2
<r2> 50.146
(<r2>)1/2 7.081