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

using model chemistry: BLYP/CEP-121G*

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-121G*
 hartrees
Energy at 0K-19.802811
Energy at 298.15K-19.806942
HF Energy-19.802811
Nuclear repulsion energy35.602503
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-121G*
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 3141 3124 41.08      
2 A1 3046 3029 7.71      
3 A1 3034 3017 22.95      
4 A1 1478 1469 2.13      
5 A1 1221 1214 0.91      
6 A1 992 987 0.02      
7 A1 411 409 0.02      
8 A2 737 733 0.00      
9 A2 530 527 0.00      
10 B1 972 966 21.82      
11 B1 764 760 87.33      
12 B1 508 505 18.34      
13 B2 3138 3121 11.66      
14 B2 3040 3023 17.41      
15 B2 1470 1462 1.04      
16 B2 1373 1366 3.06      
17 B2 1162 1155 0.56      
18 B2 905 900 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 13960.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 13883.6 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-121G*
ABC
1.78722 0.33419 0.28155

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.450
H2 0.000 0.000 1.549
C3 0.000 1.247 -0.199
C4 0.000 -1.247 -0.199
H5 0.000 2.185 0.365
H6 0.000 -2.185 0.365
H7 0.000 1.317 -1.293
H8 0.000 -1.317 -1.293

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.09981.40571.40572.18642.18642.18422.1842
H21.09982.14772.14772.48522.48523.13273.1327
C31.40572.14772.49421.09413.47781.09622.7876
C41.40572.14772.49423.47781.09412.78761.0962
H52.18642.48521.09413.47784.36941.87143.8742
H62.18642.48523.47781.09414.36943.87421.8714
H72.18423.13271.09622.78761.87143.87422.6336
H82.18423.13272.78761.09623.87421.87142.6336

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 121.496 C1 C3 H7 121.125
C1 C4 H6 121.496 C1 C4 H8 121.125
H2 C1 C3 117.480 H2 C1 C4 117.480
C3 C1 C4 125.041 H5 C3 H7 117.379
H6 C4 H8 117.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.187      
2 H 0.142      
3 C -0.462      
4 C -0.462      
5 H 0.146      
6 H 0.146      
7 H 0.152      
8 H 0.152      


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 0.088 0.088
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.479 0.000 0.000
y 0.000 -17.995 0.000
z 0.000 0.000 -17.723
Traceless
 xyz
x -4.620 0.000 0.000
y 0.000 2.106 0.000
z 0.000 0.000 2.514
Polar
3z2-r25.027
x2-y2-4.484
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.805 0.000 0.000
y 0.000 8.463 0.000
z 0.000 0.000 5.180


<r2> (average value of r2) Å2
<r2> 44.709
(<r2>)1/2 6.686