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All results from a given calculation for CH3CHCHCH2 (methylallyl 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 CS 2A"
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-155.726576
Energy at 298.15K-155.732955
HF Energy-155.726576
Nuclear repulsion energy108.883518
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
(Å4/u)
Dep P Dep U
1 A' 3254 3140 13.33      
2 A' 3162 3051 24.88      
3 A' 3158 3047 12.92      
4 A' 3137 3027 4.09      
5 A' 3108 2999 12.27      
6 A' 3017 2911 26.08      
7 A' 1567 1512 7.75      
8 A' 1546 1492 1.92      
9 A' 1516 1463 11.04      
10 A' 1461 1410 4.71      
11 A' 1387 1338 0.73      
12 A' 1311 1265 1.61      
13 A' 1229 1186 0.51      
14 A' 1145 1105 0.12      
15 A' 1038 1001 7.96      
16 A' 891 860 4.72      
17 A' 521 502 0.53      
18 A' 296 286 0.15      
19 A" 3049 2942 22.29      
20 A" 1544 1490 8.24      
21 A" 1068 1031 4.95      
22 A" 1008 973 22.59      
23 A" 804 776 66.92      
24 A" 746 720 0.01      
25 A" 550 531 5.86      
26 A" 220 213 1.94      
27 A" 149 143 1.01      

Unscaled Zero Point Vibrational Energy (zpe) 20941.4 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 20206.4 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 B3LYP/3-21G
ABC
1.26315 0.13286 0.12297

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.371 -1.410 0.000
C2 0.155 -0.745 0.000
C3 0.000 0.634 0.000
C4 -1.331 1.333 0.000
H5 2.308 -0.863 0.000
H6 1.425 -2.492 0.000
H7 -0.753 -1.348 0.000
H8 0.890 1.261 0.000
H9 -2.156 0.612 0.000
H10 -1.442 1.979 0.883
H11 -1.442 1.979 -0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
C11.38542.46133.84991.08541.08332.12442.71364.06474.49174.4917
C21.38541.38822.55472.15642.15931.08962.13632.67973.27903.2790
C32.46131.38821.50322.75173.43562.12011.08842.15572.16022.1602
C43.84992.55471.50324.25084.71402.74202.22241.09521.09971.0997
H51.08542.15642.75174.25081.85293.09922.55424.70144.78784.7878
H61.08332.15933.43564.71401.85292.45973.79064.73825.38395.3839
H72.12441.08962.12012.74203.09922.45973.08262.40983.51023.5102
H82.71362.13631.08842.22242.55423.79063.08263.11402.59472.5947
H94.06472.67972.15571.09524.70144.73822.40983.11401.77731.7773
H104.49173.27902.16021.09974.78785.38393.51022.59471.77731.7654
H114.49173.27902.16021.09974.78785.38393.51022.59471.77731.7654

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 125.093 C1 C2 H7 117.758
C2 C1 H5 121.087 C2 C1 H6 121.526
C2 C3 C4 124.096 C2 C3 H8 118.721
C3 C2 H7 117.149 C3 C4 H9 111.152
C3 C4 H10 111.230 C3 C4 H11 111.230
C4 C3 H8 117.183 H5 C1 H6 117.386
H9 C4 H10 108.143 H9 C4 H11 108.143
H10 C4 H11 106.762
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.370      
2 C -0.199      
3 C -0.155      
4 C -0.605      
5 H 0.180      
6 H 0.184      
7 H 0.180      
8 H 0.179      
9 H 0.197      
10 H 0.204      
11 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.308 0.344 0.000 0.462
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.190 0.020 0.000
y 0.020 -23.819 0.000
z 0.000 0.000 -28.345
Traceless
 xyz
x 1.892 0.020 0.000
y 0.020 2.448 0.000
z 0.000 0.000 -4.340
Polar
3z2-r2-8.681
x2-y2-0.371
xy0.020
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.122 -2.055 0.000
y -2.055 8.180 0.000
z 0.000 0.000 2.826


<r2> (average value of r2) Å2
<r2> 103.924
(<r2>)1/2 10.194