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

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-155.964685
Energy at 298.15K-155.971080
HF Energy-155.506439
Nuclear repulsion energy109.296962
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 CISD/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' 3360 3110 13.87      
2 A' 3266 3023 12.66      
3 A' 3258 3017 26.85      
4 A' 3245 3004 9.97      
5 A' 3216 2977 15.90      
6 A' 3123 2892 31.79      
7 A' 1596 1478 6.89      
8 A' 1584 1467 0.12      
9 A' 1558 1443 10.86      
10 A' 1506 1394 1.69      
11 A' 1412 1307 0.10      
12 A' 1348 1248 1.59      
13 A' 1222 1131 0.23      
14 A' 1188 1100 0.17      
15 A' 1042 964 3.45      
16 A' 923 854 3.00      
17 A' 524 485 0.56      
18 A' 299 277 0.14      
19 A" 3178 2942 26.36      
20 A" 1565 1448 5.74      
21 A" 1087 1007 0.64      
22 A" 1031 954 25.84      
23 A" 793 734 53.05      
24 A" 758 702 0.38      
25 A" 565 523 4.61      
26 A" 226 209 1.63      
27 A" 144 133 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 21507.4 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 19911.6 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 CISD/6-31G*
ABC
1.27364 0.13387 0.12390

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.361 -1.408 0.000
C2 0.147 -0.745 0.000
C3 0.000 0.629 0.000
C4 -1.318 1.336 0.000
H5 2.296 -0.865 0.000
H6 1.417 -2.487 0.000
H7 -0.757 -1.347 0.000
H8 0.894 1.244 0.000
H9 -2.146 0.628 0.000
H10 -1.424 1.979 0.878
H11 -1.424 1.979 -0.878

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
C11.38332.45033.83551.08161.07982.11902.69354.05584.47294.4729
C21.38331.38232.54562.15232.15471.08602.12512.67323.26573.2657
C32.45031.38231.49572.73933.42262.11621.08502.14642.15002.1500
C43.83552.54561.49574.23164.70022.74152.21341.09021.09321.0932
H51.08162.15232.73934.23161.84543.09102.53274.68664.76464.7646
H61.07982.15473.42264.70021.84542.45393.76754.73215.36525.3652
H72.11901.08602.11622.74153.09102.45393.07242.41483.50453.5045
H82.69352.12511.08502.21342.53273.76753.07243.10192.58532.5853
H94.05582.67322.14641.09024.68664.73212.41483.10191.76601.7660
H104.47293.26572.15001.09324.76465.36523.50452.58531.76601.7553
H114.47293.26572.15001.09324.76465.36523.50452.58531.76601.7553

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 124.751 C1 C2 H7 117.716
C2 C1 H5 121.184 C2 C1 H6 121.560
C2 C3 C4 124.336 C2 C3 H8 118.431
C3 C2 H7 117.533 C3 C4 H9 111.239
C3 C4 H10 111.342 C3 C4 H11 111.342
C4 C3 H8 117.233 H5 C1 H6 117.256
H9 C4 H10 107.959 H9 C4 H11 107.959
H10 C4 H11 106.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability