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

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G*
 hartrees
Energy at 0K-154.974068
Energy at 298.15K-154.980488
HF Energy-154.644396
Nuclear repulsion energy108.787624
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 MP2=FULL/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' 3291 3120 11.42      
2 A' 3192 3026 12.29      
3 A' 3187 3021 20.52      
4 A' 3165 3000 6.38      
5 A' 3145 2982 11.28      
6 A' 3063 2904 20.64      
7 A' 1605 1521 7.11      
8 A' 1582 1500 2.48      
9 A' 1525 1446 6.94      
10 A' 1493 1415 4.18      
11 A' 1420 1346 0.34      
12 A' 1344 1274 1.28      
13 A' 1172 1111 0.38      
14 A' 1146 1086 0.30      
15 A' 1063 1008 5.82      
16 A' 896 850 3.05      
17 A' 530 503 0.46      
18 A' 302 287 0.14      
19 A" 3115 2953 19.69      
20 A" 1583 1500 6.57      
21 A" 1104 1047 2.59      
22 A" 1038 984 29.77      
23 A" 804 762 62.28      
24 A" 766 726 0.00      
25 A" 565 536 5.15      
26 A" 228 216 2.14      
27 A" 144 137 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 21233.4 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 20129.2 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 MP2=FULL/3-21G*
ABC
1.26239 0.13253 0.12269

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.378 -1.404 0.000
C2 0.158 -0.744 0.000
C3 0.000 0.631 0.000
C4 -1.341 1.331 0.000
H5 2.314 -0.855 0.000
H6 1.441 -2.486 0.000
H7 -0.747 -1.352 0.000
H8 0.887 1.263 0.000
H9 -2.157 0.600 0.000
H10 -1.454 1.971 0.885
H11 -1.454 1.971 -0.885

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
C11.38722.45803.85731.08561.08322.12622.71174.06374.49454.4945
C21.38721.38422.56032.15922.16311.09052.13502.67683.27973.2797
C32.45801.38421.51312.75033.43372.11901.08902.15722.16662.1666
C43.85732.56031.51314.25954.72332.74802.22951.09561.09791.0979
H51.08562.15922.75034.25951.85013.10192.55354.70204.79304.7930
H61.08322.16313.43374.72331.85012.46463.78904.73975.38805.3880
H72.12621.09052.11902.74803.10192.46463.08332.40743.51093.5109
H82.71172.13501.08902.22952.55353.78903.08333.11552.60132.6013
H94.06372.67682.15721.09564.70204.73972.40743.11551.77721.7772
H104.49453.27972.16661.09794.79305.38803.51092.60131.77721.7695
H114.49453.27972.16661.09794.79305.38803.51092.60131.77721.7695

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 124.976 C1 C2 H7 117.713
C2 C1 H5 121.173 C2 C1 H6 121.739
C2 C3 C4 124.122 C2 C3 H8 118.891
C3 C2 H7 117.310 C3 C4 H9 110.549
C3 C4 H10 111.156 C3 C4 H11 111.156
C4 C3 H8 116.987 H5 C1 H6 117.088
H9 C4 H10 108.230 H9 C4 H11 108.230
H10 C4 H11 107.388
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability