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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at CBS-Q
 hartrees
Energy at 0K-156.240477
Energy at 298.15K-156.234050
HF Energy-155.504435
Nuclear repulsion energy108.846947
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 CBS-Q
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3402 3402 21.08      
2 A' 3312 3312 41.57      
3 A' 3311 3311 15.15      
4 A' 3300 3300 8.54      
5 A' 3253 3253 25.87      
6 A' 3167 3167 42.50      
7 A' 1640 1640 3.63      
8 A' 1631 1631 2.69      
9 A' 1599 1599 5.31      
10 A' 1551 1551 1.65      
11 A' 1442 1442 0.89      
12 A' 1344 1344 1.32      
13 A' 1250 1250 0.22      
14 A' 1198 1198 0.20      
15 A' 1062 1062 1.63      
16 A' 925 925 2.01      
17 A' 526 526 0.46      
18 A' 304 304 0.11      
19 A" 3215 3215 40.74      
20 A" 1615 1615 4.10      
21 A" 1110 1110 0.09      
22 A" 1016 1016 24.45      
23 A" 767 767 46.16      
24 A" 740 740 0.60      
25 A" 555 555 4.37      
26 A" 221 221 1.39      
27 A" 144 144 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 21800.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21800.3 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 CBS-Q
ABC
1.26576 0.13363 0.12365

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.368 -1.421 0.000
C2 0.146 -0.751 0.000
C3 0.000 0.634 0.000
C4 -1.323 1.348 0.000
H5 2.303 -0.881 0.000
H6 1.419 -2.497 0.000
H7 -0.754 -1.351 0.000
H8 0.891 1.246 0.000
H9 -2.154 0.646 0.000
H10 -1.427 1.989 0.876
H11 -1.427 1.989 -0.876

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
C11.39342.46843.86081.07871.07722.12352.70884.08444.49534.4953
C21.39341.39292.56202.16022.16001.08182.13172.69193.27913.2791
C32.46841.39291.50322.75633.43702.12341.08122.15442.15412.1541
C43.86082.56201.50324.25594.72182.75802.21661.08761.09061.0906
H51.07872.16022.75634.25591.84123.09252.55284.71154.78714.7871
H61.07722.16003.43704.72181.84122.45643.77954.75895.38415.3841
H72.12351.08182.12342.75803.09252.45643.07432.43953.51813.5181
H82.70882.13171.08122.21662.55283.77953.07433.10412.58732.5873
H94.08442.69192.15441.08764.71154.75892.43953.10411.76031.7603
H104.49533.27912.15411.09064.78715.38413.51812.58731.76031.7516
H114.49533.27912.15411.09064.78715.38413.51812.58731.76031.7516

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 124.735 C1 C2 H7 117.620
C2 C1 H5 121.296 C2 C1 H6 121.399
C2 C3 C4 124.375 C2 C3 H8 118.450
C3 C2 H7 117.646 C3 C4 H9 111.508
C3 C4 H10 111.304 C3 C4 H11 111.304
C4 C3 H8 117.176 H5 C1 H6 117.305
H9 C4 H10 107.832 H9 C4 H11 107.832
H10 C4 H11 106.848
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability