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All results from a given calculation for CH3CHCHCH2 (methylallyl radical)

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-156.369988
Energy at 298.15K-156.376317
HF Energy-156.209526
Nuclear repulsion energy109.079527
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 B2PLYP/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' 3296 3129 13.94      
2 A' 3201 3038 11.95      
3 A' 3190 3028 31.44      
4 A' 3173 3012 8.76      
5 A' 3150 2990 14.48      
6 A' 3053 2898 32.70      
7 A' 1559 1480 5.88      
8 A' 1551 1473 0.68      
9 A' 1518 1441 13.13      
10 A' 1460 1386 1.26      
11 A' 1374 1304 0.73      
12 A' 1315 1248 1.72      
13 A' 1212 1151 0.38      
14 A' 1164 1105 0.03      
15 A' 1014 963 4.59      
16 A' 902 856 4.42      
17 A' 511 485 0.69      
18 A' 290 275 0.14      
19 A" 3100 2943 25.24      
20 A" 1525 1448 5.55      
21 A" 1054 1000 1.35      
22 A" 1012 960 20.24      
23 A" 777 738 48.64      
24 A" 741 704 0.86      
25 A" 552 524 4.52      
26 A" 222 210 1.32      
27 A" 151 144 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 21034.0 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 19965.4 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 B2PLYP/6-31G*
ABC
1.27101 0.13329 0.12339

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.360 -1.416 0.000
C2 0.148 -0.747 0.000
C3 0.000 0.631 0.000
C4 -1.316 1.341 0.000
H5 2.299 -0.874 0.000
H6 1.410 -2.498 0.000
H7 -0.762 -1.346 0.000
H8 0.898 1.246 0.000
H9 -2.150 0.634 0.000
H10 -1.423 1.990 0.879
H11 -1.423 1.990 -0.879

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
C11.38482.45803.84241.08481.08272.12292.70194.06474.48504.4850
C21.38481.38582.54992.15552.15881.08962.12922.68053.27503.2750
C32.45801.38581.49532.74843.43222.11931.08842.14982.15452.1545
C43.84242.54991.49534.24024.70862.74412.21621.09341.09721.0972
H51.08482.15552.74844.24021.85123.09762.54134.69804.77804.7780
H61.08272.15883.43224.70861.85122.45853.77864.74165.37915.3791
H72.12291.08962.11932.74413.09762.45853.07832.41833.51243.5124
H82.70192.12921.08842.21622.54133.77863.07833.10882.59102.5910
H94.06472.68052.14981.09344.69804.74162.41833.10881.77141.7714
H104.48503.27502.15451.09724.77805.37913.51242.59101.77141.7577
H114.48503.27502.15451.09724.77805.37913.51242.59101.77141.7577

picture of methylallyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.040 C1 C2 H7 117.687
C2 C1 H5 121.100 C2 C1 H6 121.584
C2 C3 C4 124.471 C2 C3 H8 118.264
C3 C2 H7 117.273 C3 C4 H9 111.348
C3 C4 H10 111.491 C3 C4 H11 111.491
C4 C3 H8 117.265 H5 C1 H6 117.316
H9 C4 H10 107.921 H9 C4 H11 107.921
H10 C4 H11 106.442
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.360      
2 C -0.084      
3 C -0.114      
4 C -0.504      
5 H 0.148      
6 H 0.152      
7 H 0.136      
8 H 0.139      
9 H 0.160      
10 H 0.164      
11 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.286 0.318 0.000 0.428
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.490 0.168 0.000
y 0.168 -24.048 0.000
z 0.000 0.000 -27.938
Traceless
 xyz
x 1.503 0.168 0.000
y 0.168 2.166 0.000
z 0.000 0.000 -3.669
Polar
3z2-r2-7.338
x2-y2-0.442
xy0.168
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.355 -2.033 0.000
y -2.033 8.484 0.000
z 0.000 0.000 3.297


<r2> (average value of r2) Å2
<r2> 103.669
(<r2>)1/2 10.182