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

using model chemistry: CCD/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 CCD/3-21G
 hartrees
Energy at 0K-155.014149
Energy at 298.15K-155.020522
HF Energy-154.643855
Nuclear repulsion energy108.436811
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 CCD/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' 3233 3143 13.46      
2 A' 3142 3055 16.64      
3 A' 3138 3051 16.17      
4 A' 3116 3029 8.19      
5 A' 3093 3007 12.94      
6 A' 3018 2934 22.26      
7 A' 1584 1540 6.68      
8 A' 1561 1518 2.29      
9 A' 1510 1468 5.94      
10 A' 1478 1438 4.23      
11 A' 1404 1366 0.24      
12 A' 1327 1290 1.19      
13 A' 1159 1127 0.40      
14 A' 1135 1103 0.27      
15 A' 1049 1020 4.87      
16 A' 884 860 2.35      
17 A' 524 509 0.42      
18 A' 300 291 0.13      
19 A" 3063 2978 22.42      
20 A" 1563 1520 6.16      
21 A" 1091 1061 1.88      
22 A" 1017 988 28.30      
23 A" 796 774 58.04      
24 A" 751 730 0.35      
25 A" 556 541 4.84      
26 A" 223 217 2.07      
27 A" 137 133 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 20925.2 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 20345.6 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 CCD/3-21G
ABC
1.25266 0.13173 0.12194

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.385 -1.405 0.000
C2 0.161 -0.745 0.000
C3 0.000 0.634 0.000
C4 -1.350 1.332 0.000
H5 2.325 -0.854 0.000
H6 1.450 -2.491 0.000
H7 -0.746 -1.357 0.000
H8 0.887 1.272 0.000
H9 -2.166 0.595 0.000
H10 -1.463 1.973 0.888
H11 -1.463 1.973 -0.888

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
C11.39052.46483.86911.08971.08732.13202.72284.07524.50724.5072
C21.39051.38852.56852.16672.16951.09422.14382.68513.28903.2890
C32.46481.38851.51962.76023.44432.12601.09252.16592.17362.1736
C43.86912.56851.51964.27564.73802.75572.23741.09931.10151.1015
H51.08972.16672.76024.27561.85583.11232.56634.71854.80964.8096
H61.08732.16953.44434.73801.85582.47163.80414.75325.40375.4037
H72.13201.09422.12602.75573.11232.47163.09472.41343.52023.5202
H82.72282.14381.09252.23742.56633.80413.09473.12652.60872.6087
H94.07522.68512.16591.09934.71854.75322.41343.12651.78341.7834
H104.50723.28902.17361.10154.80965.40373.52022.60871.78341.7769
H114.50723.28902.17361.10154.80965.40373.52022.60871.78341.7769

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 124.979 C1 C2 H7 117.701
C2 C1 H5 121.289 C2 C1 H6 121.745
C2 C3 C4 124.009 C2 C3 H8 119.071
C3 C2 H7 117.320 C3 C4 H9 110.566
C3 C4 H10 111.048 C3 C4 H11 111.048
C4 C3 H8 116.919 H5 C1 H6 116.966
H9 C4 H10 108.265 H9 C4 H11 108.265
H10 C4 H11 107.527
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability