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: wB97X-D/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 wB97X-D/3-21G*
 hartrees
Energy at 0K-155.670058
Energy at 298.15K-155.676424
HF Energy-155.670058
Nuclear repulsion energy109.080842
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 wB97X-D/3-21G*
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' 3285 3113 9.81      
2 A' 3188 3022 27.00      
3 A' 3186 3020 4.71      
4 A' 3169 3003 3.49      
5 A' 3153 2988 8.62      
6 A' 3059 2899 20.49      
7 A' 1569 1487 11.05      
8 A' 1553 1472 2.18      
9 A' 1522 1442 12.22      
10 A' 1470 1393 10.23      
11 A' 1393 1320 0.13      
12 A' 1326 1257 1.78      
13 A' 1225 1161 0.56      
14 A' 1160 1099 0.14      
15 A' 1047 992 9.84      
16 A' 902 855 4.74      
17 A' 532 504 0.47      
18 A' 306 290 0.15      
19 A" 3107 2945 16.87      
20 A" 1550 1469 11.09      
21 A" 1078 1021 7.25      
22 A" 1019 966 24.66      
23 A" 825 782 81.59      
24 A" 760 720 0.11      
25 A" 551 522 7.13      
26 A" 221 209 2.43      
27 A" 123 116 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 21136.6 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 20033.2 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 wB97X-D/3-21G*
ABC
1.26140 0.13363 0.12362

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.371 -1.397 0.000
C2 0.152 -0.745 0.000
C3 0.000 0.631 0.000
C4 -1.331 1.324 0.000
H5 2.303 -0.841 0.000
H6 1.430 -2.479 0.000
H7 -0.752 -1.352 0.000
H8 0.890 1.257 0.000
H9 -2.153 0.601 0.000
H10 -1.438 1.968 0.884
H11 -1.438 1.968 -0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
C11.38222.44803.83451.08551.08362.12302.69714.05124.47094.4709
C21.38221.38442.54572.15312.15421.08882.13342.66963.26603.2660
C32.44801.38441.50032.73343.42312.12081.08792.15322.15272.1527
C43.83452.54571.50034.22994.69982.73842.22141.09501.09831.0983
H51.08552.15312.73344.22991.85603.09722.52944.68384.76054.7605
H61.08362.15423.42314.69981.85602.45573.77474.72545.36455.3645
H72.12301.08882.12082.73843.09722.45573.08242.40433.50323.5032
H82.69712.13341.08792.22142.52943.77473.08243.11272.58902.5890
H94.05122.66962.15321.09504.68384.72542.40433.11271.77751.7775
H104.47093.26602.15271.09834.76055.36453.50322.58901.77751.7676
H114.47093.26602.15271.09834.76055.36453.50322.58901.77751.7676

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 124.460 C1 C2 H7 117.957
C2 C1 H5 121.037 C2 C1 H6 121.293
C2 C3 C4 123.837 C2 C3 H8 118.804
C3 C2 H7 117.583 C3 C4 H9 111.164
C3 C4 H10 110.919 C3 C4 H11 110.919
C4 C3 H8 117.360 H5 C1 H6 117.670
H9 C4 H10 108.270 H9 C4 H11 108.270
H10 C4 H11 107.154
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.417      
2 C -0.235      
3 C -0.185      
4 C -0.663      
5 H 0.205      
6 H 0.210      
7 H 0.210      
8 H 0.207      
9 H 0.217      
10 H 0.225      
11 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.309 0.354 0.000 0.470
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.868 0.040 0.000
y 0.040 -23.497 0.000
z 0.000 0.000 -28.389
Traceless
 xyz
x 2.074 0.040 0.000
y 0.040 2.632 0.000
z 0.000 0.000 -4.706
Polar
3z2-r2-9.413
x2-y2-0.372
xy0.040
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.028 -1.992 0.000
y -1.992 8.085 0.000
z 0.000 0.000 2.824


<r2> (average value of r2) Å2
<r2> 103.356
(<r2>)1/2 10.166