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: HF/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-155.520226
Energy at 298.15K-155.526641
HF Energy-155.520226
Nuclear repulsion energy108.797503
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/cc-pVDZ
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' 3397 3084 16.02      
2 A' 3302 2998 42.29      
3 A' 3299 2996 8.74      
4 A' 3289 2986 7.23      
5 A' 3252 2953 21.75      
6 A' 3160 2869 44.17      
7 A' 1621 1472 1.59      
8 A' 1601 1454 5.72      
9 A' 1573 1428 6.83      
10 A' 1521 1381 1.23      
11 A' 1425 1293 0.57      
12 A' 1335 1212 1.63      
13 A' 1247 1132 0.29      
14 A' 1196 1086 0.11      
15 A' 1052 955 2.06      
16 A' 922 838 2.66      
17 A' 527 479 0.45      
18 A' 304 276 0.11      
19 A" 3213 2917 36.05      
20 A" 1574 1429 5.19      
21 A" 1098 997 0.19      
22 A" 1012 919 25.82      
23 A" 773 702 41.65      
24 A" 744 676 0.56      
25 A" 553 502 4.38      
26 A" 222 201 1.55      
27 A" 142 129 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 21676.3 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 19682.1 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/cc-pVDZ
ABC
1.26510 0.13238 0.12256

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.365 -1.422 0.000
C2 0.144 -0.751 0.000
C3 0.000 0.634 0.000
C4 -1.319 1.349 0.000
H5 2.304 -0.881 0.000
H6 1.410 -2.503 0.000
H7 -0.760 -1.352 0.000
H8 0.897 1.247 0.000
H9 -2.154 0.646 0.000
H10 -1.420 1.993 0.879
H11 -1.420 1.993 -0.879

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
C11.39322.46843.85781.08341.08162.12672.70964.08234.49344.4934
C21.39321.39262.55922.16302.16131.08632.13442.68993.27823.2782
C32.46841.39261.50002.75723.43942.12671.08612.15422.15272.1527
C43.85782.55921.50004.25364.72032.75772.21831.09131.09441.0944
H51.08342.16302.75724.25361.85203.09992.55044.71214.78484.7848
H61.08162.16133.43944.72031.85202.45663.78444.75605.38435.3843
H72.12671.08632.12672.75773.09992.45663.08202.43633.52053.5205
H82.70962.13441.08612.21832.55043.78443.08203.10972.58792.5879
H94.08232.68992.15421.09134.71214.75602.43633.10971.76771.7677
H104.49343.27822.15271.09444.78485.38433.52052.58791.76771.7583
H114.49343.27822.15271.09444.78485.38433.52052.58791.76771.7583

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 124.769 C1 C2 H7 117.589
C2 C1 H5 121.202 C2 C1 H6 121.180
C2 C3 C4 124.397 C2 C3 H8 118.363
C3 C2 H7 117.641 C3 C4 H9 111.496
C3 C4 H10 111.182 C3 C4 H11 111.182
C4 C3 H8 117.240 H5 C1 H6 117.618
H9 C4 H10 107.947 H9 C4 H11 107.947
H10 C4 H11 106.890
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.022      
2 C -0.086      
3 C -0.135      
4 C 0.013      
5 H 0.038      
6 H 0.046      
7 H 0.015      
8 H 0.017      
9 H 0.028      
10 H 0.042      
11 H 0.042      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.208 0.240 0.000 0.318
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.895 0.244 0.000
y 0.244 -24.461 0.000
z 0.000 0.000 -28.451
Traceless
 xyz
x 1.562 0.244 0.000
y 0.244 2.212 0.000
z 0.000 0.000 -3.774
Polar
3z2-r2-7.547
x2-y2-0.433
xy0.244
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.062 -1.492 0.000
y -1.492 7.840 0.000
z 0.000 0.000 3.681


<r2> (average value of r2) Å2
<r2> 104.467
(<r2>)1/2 10.221