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

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-117.197681
Energy at 298.15K-117.201931
HF Energy-117.197681
Nuclear repulsion energy65.009875
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 B1B95/6-31+G**
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 3289 3146 16.47      
2 A1 3188 3050 0.99      
3 A1 3181 3043 17.15      
4 A1 1527 1461 2.93      
5 A1 1279 1224 1.08      
6 A1 1045 999 0.12      
7 A1 417 399 0.05      
8 A2 793 759 0.00      
9 A2 552 528 0.00      
10 B1 1016 971 23.32      
11 B1 819 784 97.02      
12 B1 529 506 21.42      
13 B2 3287 3145 4.10      
14 B2 3182 3044 7.34      
15 B2 1530 1463 1.55      
16 B2 1423 1361 5.30      
17 B2 1222 1169 1.07      
18 B2 933 893 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 14606.1 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 13972.2 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 B1B95/6-31+G**
ABC
1.83211 0.34604 0.29107

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.444
H2 0.000 0.000 1.531
C3 0.000 1.225 -0.196
C4 0.000 -1.225 -0.196
H5 0.000 2.154 0.360
H6 0.000 -2.154 0.360
H7 0.000 1.290 -1.279
H8 0.000 -1.290 -1.279

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.08751.38201.38202.15522.15522.15162.1516
H21.08752.11752.11752.45152.45153.09163.0916
C31.38202.11752.45001.08233.42401.08442.7378
C41.38202.11752.45003.42401.08232.73781.0844
H52.15522.45151.08233.42404.30711.85223.8132
H62.15522.45153.42401.08234.30713.81321.8522
H72.15163.09161.08442.73781.85223.81322.5794
H82.15163.09162.73781.08443.81321.85222.5794

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 121.516 C1 C3 H7 120.997
C1 C4 H6 121.516 C1 C4 H8 120.997
H2 C1 C3 117.575 H2 C1 C4 117.575
C3 C1 C4 124.849 H5 C3 H7 117.487
H6 C4 H8 117.487
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.079      
2 H 0.147      
3 C -0.413      
4 C -0.413      
5 H 0.152      
6 H 0.152      
7 H 0.148      
8 H 0.148      


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 0.066 0.066
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.577 0.000 0.000
y 0.000 -17.978 0.000
z 0.000 0.000 -17.595
Traceless
 xyz
x -4.791 0.000 0.000
y 0.000 2.108 0.000
z 0.000 0.000 2.683
Polar
3z2-r25.365
x2-y2-4.599
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.771 0.000 0.000
y 0.000 8.331 0.000
z 0.000 0.000 4.914


<r2> (average value of r2) Å2
<r2> 50.232
(<r2>)1/2 7.087