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

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-155.506743
Energy at 298.15K-155.513140
HF Energy-155.506743
Nuclear repulsion energy109.061264
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/6-31G*
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' 3420 3073 22.24      
2 A' 3330 2992 22.24      
3 A' 3328 2990 38.04      
4 A' 3317 2981 6.86      
5 A' 3265 2934 27.00      
6 A' 3184 2861 43.04      
7 A' 1649 1482 2.94      
8 A' 1643 1476 3.08      
9 A' 1611 1447 5.07      
10 A' 1566 1407 1.57      
11 A' 1455 1307 1.01      
12 A' 1352 1215 1.20      
13 A' 1256 1129 0.21      
14 A' 1204 1082 0.19      
15 A' 1072 963 1.52      
16 A' 931 836 1.93      
17 A' 530 476 0.44      
18 A' 305 274 0.11      
19 A" 3227 2900 42.26      
20 A" 1624 1459 4.15      
21 A" 1120 1006 0.09      
22 A" 1023 919 25.61      
23 A" 781 702 50.73      
24 A" 747 671 0.04      
25 A" 557 501 4.42      
26 A" 220 198 1.50      
27 A" 137 123 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 21926.9 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 19701.3 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 HF/6-31G*
ABC
1.27495 0.13272 0.12291

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.367 -1.417 0.000
C2 0.146 -0.750 0.000
C3 0.000 0.633 0.000
C4 -1.322 1.344 0.000
H5 2.297 -0.877 0.000
H6 1.418 -2.490 0.000
H7 -0.751 -1.349 0.000
H8 0.889 1.244 0.000
H9 -2.149 0.643 0.000
H10 -1.426 1.984 0.874
H11 -1.426 1.984 -0.874

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
C11.39092.46403.85381.07561.07412.11952.70334.07494.48634.4863
C21.39091.39122.55762.15472.15491.07892.12782.68493.27253.2725
C32.46401.39121.50072.74903.42992.11971.07832.14912.14952.1495
C43.85382.55761.50074.24604.71232.75272.21271.08481.08771.0877
H51.07562.15472.74904.24601.83693.08492.54574.69874.77574.7757
H61.07412.15493.42994.71231.83692.45133.77094.74745.37255.3725
H72.11951.07892.11972.75273.08492.45133.06792.43313.51043.5104
H82.70332.12781.07832.21272.54573.77093.06793.09682.58262.5826
H94.07492.68492.14911.08484.69874.74742.43313.09681.75611.7561
H104.48633.27252.14951.08774.77575.37253.51042.58261.75611.7475
H114.48633.27252.14951.08774.77575.37253.51042.58261.75611.7475

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 124.669 C1 C2 H7 117.666
C2 C1 H5 121.225 C2 C1 H6 121.369
C2 C3 C4 124.310 C2 C3 H8 118.454
C3 C2 H7 117.665 C3 C4 H9 111.434
C3 C4 H10 111.290 C3 C4 H11 111.290
C4 C3 H8 117.235 H5 C1 H6 117.406
H9 C4 H10 107.864 H9 C4 H11 107.864
H10 C4 H11 106.894
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.385      
2 C -0.152      
3 C -0.164      
4 C -0.513      
5 H 0.174      
6 H 0.177      
7 H 0.178      
8 H 0.174      
9 H 0.170      
10 H 0.170      
11 H 0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.161 0.187 0.000 0.247
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.633 0.244 0.000
y 0.244 -24.299 0.000
z 0.000 0.000 -28.232
Traceless
 xyz
x 1.632 0.244 0.000
y 0.244 2.133 0.000
z 0.000 0.000 -3.765
Polar
3z2-r2-7.530
x2-y2-0.334
xy0.244
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.592 -1.354 0.000
y -1.354 7.400 0.000
z 0.000 0.000 3.255


<r2> (average value of r2) Å2
<r2> 104.025
(<r2>)1/2 10.199