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

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-153.640118
Energy at 298.15K-153.646181
HF Energy-153.640118
Nuclear repulsion energy108.170248
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 HF/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3812 3113 0.02      
2 A' 3749 3061 0.82      
3 A' 3702 3023 0.00      
4 A' 3699 3020 2.55      
5 A' 3643 2974 2.52      
6 A' 3554 2902 1.86      
7 A' 1833 1496 2.01      
8 A' 1747 1426 1.98      
9 A' 1739 1420 0.32      
10 A' 1702 1390 5.05      
11 A' 1542 1259 6.85      
12 A' 1403 1146 1.49      
13 A' 1330 1086 0.59      
14 A' 1276 1042 0.35      
15 A' 1139 930 0.92      
16 A' 986 805 0.95      
17 A' 541 442 0.12      
18 A' 310 253 0.02      
19 A" 3718 3036 1.08      
20 A" 1822 1487 2.09      
21 A" 1206 984 0.89      
22 A" 1035 845 6.03      
23 A" 721 589 13.12      
24 A" 715 583 0.50      
25 A" 565 461 0.62      
26 A" 216 177 0.54      
27 A" 111 91 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 23905.7 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 19519.0 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 HF/STO-3G
ABC
1.24743 0.13059 0.12085

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.387 -1.419 0.000
C2 0.147 -0.760 0.000
C3 0.000 0.640 0.000
C4 -1.343 1.349 0.000
H5 2.317 -0.867 0.000
H6 1.451 -2.498 0.000
H7 -0.752 -1.365 0.000
H8 0.887 1.263 0.000
H9 -2.160 0.635 0.000
H10 -1.445 1.985 0.878
H11 -1.445 1.985 -0.878

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
C11.40462.48283.88831.08121.08082.14012.72844.09934.51434.5143
C21.40461.40732.58232.17222.17331.08422.15382.69613.29203.2920
C32.48281.40731.51892.76353.45742.14181.08402.16032.16032.1603
C43.88832.58231.51894.27834.75512.77822.23181.08551.08841.0884
H51.08122.17222.76354.27831.84673.10902.56504.72204.80124.8012
H61.08082.17333.45744.75511.84672.47753.80324.78115.40885.4088
H72.14011.08422.14182.77823.10902.47753.09772.44623.53183.5318
H82.72842.15381.08402.23182.56503.80323.09773.11142.59432.5943
H94.09932.69612.16031.08554.72204.78112.44623.11141.76181.7618
H104.51433.29202.16031.08844.80125.40883.53182.59431.76181.7554
H114.51433.29202.16031.08844.80125.40883.53182.59431.76181.7554

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 124.000 C1 C2 H7 118.032
C2 C1 H5 121.267 C2 C1 H6 121.399
C2 C3 C4 123.837 C2 C3 H8 119.087
C3 C2 H7 117.967 C3 C4 H9 111.002
C3 C4 H10 110.829 C3 C4 H11 110.829
C4 C3 H8 117.076 H5 C1 H6 117.334
H9 C4 H10 108.279 H9 C4 H11 108.279
H10 C4 H11 107.498
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.117      
2 C -0.068      
3 C -0.040      
4 C -0.188      
5 H 0.056      
6 H 0.058      
7 H 0.056      
8 H 0.051      
9 H 0.063      
10 H 0.064      
11 H 0.064      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.112 0.125 0.000 0.168
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.643 0.174 0.000
y 0.174 -23.471 0.000
z 0.000 0.000 -25.294
Traceless
 xyz
x 0.740 0.174 0.000
y 0.174 0.998 0.000
z 0.000 0.000 -1.737
Polar
3z2-r2-3.475
x2-y2-0.172
xy0.174
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.617 -0.675 0.000
y -0.675 4.056 0.000
z 0.000 0.000 1.345


<r2> (average value of r2) Å2
<r2> 104.444
(<r2>)1/2 10.220