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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-156.520743
Energy at 298.15K-156.527033
HF Energy-156.520743
Nuclear repulsion energy109.001556
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 B3PW91/6-31G*
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' 3272 3130 14.12      
2 A' 3177 3040 14.09      
3 A' 3168 3031 31.50      
4 A' 3149 3013 10.01      
5 A' 3129 2993 13.69      
6 A' 3026 2895 34.62      
7 A' 1549 1482 3.22      
8 A' 1532 1466 5.38      
9 A' 1497 1432 14.10      
10 A' 1433 1371 1.21      
11 A' 1353 1294 0.80      
12 A' 1296 1240 1.83      
13 A' 1225 1172 0.50      
14 A' 1155 1105 0.06      
15 A' 998 955 5.89      
16 A' 893 855 5.04      
17 A' 505 483 0.69      
18 A' 285 273 0.13      
19 A" 3073 2940 23.65      
20 A" 1499 1434 6.79      
21 A" 1033 988 3.00      
22 A" 996 952 19.71      
23 A" 778 744 52.11      
24 A" 734 703 0.64      
25 A" 545 521 5.03      
26 A" 219 209 1.48      
27 A" 152 145 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 20835.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 19933.3 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 B3PW91/6-31G*
ABC
1.27034 0.13311 0.12324

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.356 -1.422 0.000
C2 0.147 -0.747 0.000
C3 0.000 0.633 0.000
C4 -1.311 1.345 0.000
H5 2.301 -0.884 0.000
H6 1.401 -2.506 0.000
H7 -0.767 -1.345 0.000
H8 0.901 1.247 0.000
H9 -2.152 0.643 0.000
H10 -1.416 1.997 0.880
H11 -1.416 1.997 -0.880

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
C11.38482.46183.84351.08711.08522.12392.70764.07074.48884.4888
C21.38481.38752.55032.15832.16041.09192.13192.68653.27833.2783
C32.46181.38751.49242.75583.43732.12141.09052.15192.15442.1544
C43.84352.55031.49244.24474.71062.74542.21431.09541.09971.0997
H51.08712.15832.75584.24471.85503.10182.54984.70744.78454.7845
H61.08522.16043.43734.71061.85502.45863.78644.74775.38425.3842
H72.12391.09192.12142.74543.10182.45863.08242.42363.51683.5168
H82.70762.13191.09052.21432.54983.78643.08243.11202.58962.5896
H94.07072.68652.15191.09544.70744.74772.42363.11201.77421.7742
H104.48883.27832.15441.09974.78455.38423.51682.58961.77421.7593
H114.48883.27832.15441.09974.78455.38423.51682.58961.77421.7593

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 125.245 C1 C2 H7 117.601
C2 C1 H5 121.178 C2 C1 H6 121.535
C2 C3 C4 124.605 C2 C3 H8 118.216
C3 C2 H7 117.154 C3 C4 H9 111.601
C3 C4 H10 111.530 C3 C4 H11 111.530
C4 C3 H8 117.179 H5 C1 H6 117.287
H9 C4 H10 107.846 H9 C4 H11 107.846
H10 C4 H11 106.234
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.391      
2 C -0.098      
3 C -0.123      
4 C -0.560      
5 H 0.163      
6 H 0.165      
7 H 0.150      
8 H 0.153      
9 H 0.177      
10 H 0.182      
11 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.305 0.358 0.000 0.470
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.041 0.115 0.000
y 0.115 -23.610 0.000
z 0.000 0.000 -27.772
Traceless
 xyz
x 1.650 0.115 0.000
y 0.115 2.296 0.000
z 0.000 0.000 -3.947
Polar
3z2-r2-7.893
x2-y2-0.431
xy0.115
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.503 -2.113 0.000
y -2.113 8.644 0.000
z 0.000 0.000 3.353


<r2> (average value of r2) Å2
<r2> 103.586
(<r2>)1/2 10.178