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: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-156.482919
Energy at 298.15K-156.489123
HF Energy-156.482919
Nuclear repulsion energy108.179539
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 BLYP/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' 3174 3148 19.14      
2 A' 3086 3061 14.33      
3 A' 3067 3042 41.54      
4 A' 3045 3021 12.05      
5 A' 3026 3002 15.01      
6 A' 2927 2903 41.71      
7 A' 1514 1502 1.40      
8 A' 1497 1485 4.24      
9 A' 1464 1452 12.27      
10 A' 1400 1389 0.74      
11 A' 1324 1313 2.64      
12 A' 1261 1251 1.70      
13 A' 1211 1201 0.89      
14 A' 1118 1109 0.12      
15 A' 979 971 4.92      
16 A' 867 860 5.53      
17 A' 493 489 0.72      
18 A' 280 278 0.12      
19 A" 2955 2931 30.71      
20 A" 1466 1454 4.73      
21 A" 1008 1000 1.99      
22 A" 974 966 14.18      
23 A" 750 744 40.48      
24 A" 714 709 1.95      
25 A" 531 527 4.10      
26 A" 213 211 0.98      
27 A" 152 151 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 20248.0 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 20084.0 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 BLYP/6-31G*
ABC
1.25713 0.13088 0.12122

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.368 -1.435 0.000
C2 0.149 -0.753 0.000
C3 0.000 0.638 0.000
C4 -1.324 1.358 0.000
H5 2.320 -0.895 0.000
H6 1.412 -2.526 0.000
H7 -0.769 -1.356 0.000
H8 0.906 1.257 0.000
H9 -2.170 0.651 0.000
H10 -1.430 2.014 0.885
H11 -1.430 2.014 -0.885

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
C11.39662.48363.87941.09381.09212.13852.73144.10784.52904.5290
C21.39661.39892.57462.17482.17651.09832.14762.71183.30723.3072
C32.48361.39891.50732.78033.46462.13661.09712.17032.17342.1734
C43.87942.57461.50734.28404.75112.77012.23201.10241.10701.1070
H51.09382.17482.78034.28401.86673.12252.57504.74874.82784.8278
H61.09212.17653.46464.75111.86672.47493.81684.78845.42925.4292
H72.13851.09832.13662.77013.12252.47493.10322.44813.54663.5466
H82.73142.14761.09712.23202.57503.81683.10323.13492.61012.6101
H94.10782.71182.17031.10244.74874.78842.44813.13491.78571.7857
H104.52903.30722.17341.10704.82785.42923.54662.61011.78571.7702
H114.52903.30722.17341.10704.82785.42923.54662.61011.78571.7702

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 125.355 C1 C2 H7 117.504
C2 C1 H5 121.202 C2 C1 H6 121.510
C2 C3 C4 124.682 C2 C3 H8 118.228
C3 C2 H7 117.141 C3 C4 H9 111.588
C3 C4 H10 111.558 C3 C4 H11 111.558
C4 C3 H8 117.090 H5 C1 H6 117.288
H9 C4 H10 107.850 H9 C4 H11 107.850
H10 C4 H11 106.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.315      
2 C -0.027      
3 C -0.068      
4 C -0.453      
5 H 0.119      
6 H 0.122      
7 H 0.094      
8 H 0.100      
9 H 0.140      
10 H 0.144      
11 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.339 0.377 0.000 0.507
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.556 0.100 0.000
y 0.100 -24.096 0.000
z 0.000 0.000 -27.749
Traceless
 xyz
x 1.367 0.100 0.000
y 0.100 2.056 0.000
z 0.000 0.000 -3.423
Polar
3z2-r2-6.846
x2-y2-0.460
xy0.100
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.815 -2.293 0.000
y -2.293 9.020 0.000
z 0.000 0.000 3.383


<r2> (average value of r2) Å2
<r2> 105.247
(<r2>)1/2 10.259