return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G**
 hartrees
Energy at 0K-156.378038
Energy at 298.15K-156.384361
HF Energy-156.378038
Nuclear repulsion energy109.124310
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 PBE1PBE/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' 3289 3135 12.10      
2 A' 3193 3043 13.23      
3 A' 3185 3036 27.31      
4 A' 3166 3018 9.14      
5 A' 3146 2998 12.57      
6 A' 3042 2899 31.45      
7 A' 1555 1482 3.81      
8 A' 1536 1464 5.50      
9 A' 1500 1430 14.10      
10 A' 1436 1369 1.39      
11 A' 1355 1292 0.58      
12 A' 1301 1240 1.88      
13 A' 1229 1171 0.49      
14 A' 1163 1108 0.04      
15 A' 999 952 6.01      
16 A' 898 856 4.97      
17 A' 507 483 0.70      
18 A' 286 273 0.13      
19 A" 3094 2948 20.82      
20 A" 1501 1430 7.20      
21 A" 1035 987 3.24      
22 A" 998 951 20.07      
23 A" 780 744 52.85      
24 A" 737 702 0.51      
25 A" 547 521 5.19      
26 A" 220 210 1.52      
27 A" 154 147 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 20925.1 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 19943.7 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 PBE1PBE/6-31G**
ABC
1.27050 0.13355 0.12361

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.355 -1.419 0.000
C2 0.146 -0.746 0.000
C3 0.000 0.632 0.000
C4 -1.310 1.342 0.000
H5 2.298 -0.878 0.000
H6 1.402 -2.503 0.000
H7 -0.767 -1.344 0.000
H8 0.901 1.245 0.000
H9 -2.149 0.638 0.000
H10 -1.416 1.993 0.879
H11 -1.416 1.993 -0.879

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
C11.38352.45803.83741.08681.08482.12362.70264.06274.48254.4825
C21.38351.38592.54592.15582.15911.09162.13012.67983.27373.2737
C32.45801.38591.49012.74963.43372.11991.09022.14852.15192.1519
C43.83742.54591.49014.23624.70492.74082.21321.09511.09911.0991
H51.08682.15582.74964.23621.85523.10032.54164.69774.77584.7758
H61.08482.15913.43374.70491.85522.45903.78134.74015.37815.3781
H72.12361.09162.11992.74083.10032.45903.08062.41613.51163.5116
H82.70262.13011.09022.21322.54163.78133.08063.10962.58872.5887
H94.06272.67982.14851.09514.69774.74012.41613.10961.77371.7737
H104.48253.27372.15191.09914.77585.37813.51162.58871.77371.7588
H114.48253.27372.15191.09914.77585.37813.51162.58871.77371.7588

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 125.132 C1 C2 H7 117.700
C2 C1 H5 121.079 C2 C1 H6 121.559
C2 C3 C4 124.518 C2 C3 H8 118.199
C3 C2 H7 117.168 C3 C4 H9 111.509
C3 C4 H10 111.536 C3 C4 H11 111.536
C4 C3 H8 117.284 H5 C1 H6 117.362
H9 C4 H10 107.867 H9 C4 H11 107.867
H10 C4 H11 106.279
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.396      
2 C -0.108      
3 C -0.130      
4 C -0.573      
5 H 0.167      
6 H 0.170      
7 H 0.156      
8 H 0.159      
9 H 0.182      
10 H 0.186      
11 H 0.186      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.298 0.352 0.000 0.461
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.078 0.115 0.000
y 0.115 -23.642 0.000
z 0.000 0.000 -27.857
Traceless
 xyz
x 1.672 0.115 0.000
y 0.115 2.325 0.000
z 0.000 0.000 -3.997
Polar
3z2-r2-7.995
x2-y2-0.436
xy0.115
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.442 -2.076 0.000
y -2.076 8.561 0.000
z 0.000 0.000 3.344


<r2> (average value of r2) Å2
<r2> 103.362
(<r2>)1/2 10.167