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

using model chemistry: PBE1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
1 2 no CS 2A"

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-117.114126
Energy at 298.15K-117.118374
HF Energy-117.114126
Nuclear repulsion energy64.934160
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 PBE1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3289 3134 15.66      
2 A1 3188 3038 1.64      
3 A1 3177 3028 15.49      
4 A1 1532 1460 2.36      
5 A1 1283 1223 0.90      
6 A1 1047 998 0.12      
7 A1 423 403 0.02      
8 A2 780 743 0.00      
9 A2 555 529 0.00      
10 B1 1013 966 17.49      
11 B1 805 767 77.13      
12 B1 533 508 13.48      
13 B2 3286 3132 4.38      
14 B2 3181 3032 7.44      
15 B2 1530 1459 0.10      
16 B2 1425 1358 6.52      
17 B2 1222 1164 0.00      
18 B2 934 890 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 14601.2 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 13916.4 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 PBE1PBE/6-31G**
ABC
1.82804 0.34532 0.29046

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

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 1.534
C3 0.000 1.226 -0.196
C4 0.000 -1.226 -0.196
H5 0.000 2.157 0.360
H6 0.000 -2.157 0.360
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
C11.08981.38311.38312.15862.15862.15402.1540
H21.08982.12032.12032.45572.45573.09613.0961
C31.38312.12032.45221.08423.42851.08632.7406
C41.38312.12032.45223.42851.08422.74061.0863
H52.15862.45571.08423.42854.31401.85493.8181
H62.15862.45573.42851.08424.31403.81811.8549
H72.15403.09611.08632.74061.85493.81812.5816
H82.15403.09612.74061.08633.81811.85492.5816

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 121.592 C1 C3 H7 120.978
C1 C4 H6 121.592 C1 C4 H8 120.978
H2 C1 C3 117.564 H2 C1 C4 117.564
C3 C1 C4 124.872 H5 C3 H7 117.430
H6 C4 H8 117.430
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.066      
2 H 0.124      
3 C -0.290      
4 C -0.290      
5 H 0.132      
6 H 0.132      
7 H 0.129      
8 H 0.129      


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 0.058 0.058
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.582 0.000 0.000
y 0.000 -17.361 0.000
z 0.000 0.000 -17.229
Traceless
 xyz
x -4.287 0.000 0.000
y 0.000 2.045 0.000
z 0.000 0.000 2.243
Polar
3z2-r24.485
x2-y2-4.222
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.882 0.000 0.000
y 0.000 7.368 0.000
z 0.000 0.000 4.587


<r2> (average value of r2) Å2
<r2> 49.907
(<r2>)1/2 7.064

Conformer 2 (CS)

Jump to S1C1
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-117.106519
Energy at 298.15K-117.110769
HF Energy-117.106519
Nuclear repulsion energy64.909517
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 PBE1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3292 3137 17.16      
2 A' 3290 3135 5.31      
3 A' 3196 3046 2.81      
4 A' 3189 3040 8.72      
5 A' 3181 3032 15.72      
6 A' 1543 1470 2.31      
7 A' 1538 1466 0.11      
8 A' 1435 1368 6.27      
9 A' 1290 1229 0.82      
10 A' 1228 1170 0.00      
11 A' 1051 1002 0.13      
12 A' 940 896 0.12      
13 A' 423 403 0.01      
14 A" 1014 967 18.02      
15 A" 801 764 82.00      
16 A" 776 740 0.00      
17 A" 556 530 0.00      
18 A" 534 509 14.52      

Unscaled Zero Point Vibrational Energy (zpe) 14638.0 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 13951.4 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 PBE1PBE/6-31G**
ABC
1.82611 0.34513 0.29027

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.444 0.000
H2 0.000 1.534 0.000
C3 -1.226 -0.196 0.000
C4 1.226 -0.196 0.000
H5 -2.159 0.359 0.000
H6 2.158 0.359 0.000
H7 -1.291 -1.281 0.000
H8 1.291 -1.281 0.000

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.09021.38351.38352.16022.16012.15502.1552
H21.09022.12132.12102.45822.45763.09773.0976
C31.38352.12132.45271.08493.42991.08682.7416
C41.38352.12102.45273.43011.08482.74131.0869
H52.16022.45821.08493.43014.31691.85523.8199
H62.16012.45763.42991.08484.31693.81951.8549
H72.15503.09771.08682.74131.85523.81952.5826
H82.15523.09762.74161.08693.81991.85492.5826

picture of Allyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 121.654 C1 C3 H7 120.999
C1 C4 H6 121.651 C1 C4 H8 121.016
H2 C1 C3 117.593 H2 C1 C4 117.565
C3 C1 C4 124.843 H5 C3 H7 117.348
H6 C4 H8 117.333
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.086      
2 H 0.166      
3 C -0.385      
4 C -0.385      
5 H 0.174      
6 H 0.174      
7 H 0.171      
8 H 0.171      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.062 0.000 0.062
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.332 0.000 0.000
y 0.000 -17.199 0.000
z 0.000 0.000 -21.648
Traceless
 xyz
x 2.091 0.000 0.000
y 0.000 2.292 0.000
z 0.000 0.000 -4.383
Polar
3z2-r2-8.766
x2-y2-0.134
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.300 -0.000 0.000
y -0.000 4.526 0.000
z 0.000 0.000 1.815


<r2> (average value of r2) Å2
<r2> 49.937
(<r2>)1/2 7.067