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

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-156.040258
Energy at 298.15K-156.046524
HF Energy-155.505972
Nuclear repulsion energy108.738343
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 QCISD/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' 3275 3118 14.89      
2 A' 3181 3030 10.90      
3 A' 3172 3021 31.41      
4 A' 3159 3009 8.75      
5 A' 3134 2985 15.13      
6 A' 3044 2898 29.87      
7 A' 1559 1485 5.06      
8 A' 1548 1474 1.62      
9 A' 1521 1449 10.00      
10 A' 1467 1397 1.53      
11 A' 1376 1311 0.23      
12 A' 1314 1251 1.52      
13 A' 1212 1154 0.30      
14 A' 1167 1112 0.03      
15 A' 1016 967 3.56      
16 A' 904 860 2.96      
17 A' 511 487 0.53      
18 A' 291 277 0.13      
19 A" 3097 2950 26.01      
20 A" 1526 1454 5.41      
21 A" 1057 1007 0.37      
22 A" 984 937 25.73      
23 A" 750 714 48.14      
24 A" 722 687 0.51      
25 A" 541 515 4.51      
26 A" 217 206 1.53      
27 A" 134 127 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 20940.0 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 19941.2 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 QCISD/6-31G*
ABC
1.25752 0.13266 0.12275

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.367 -1.416 0.000
C2 0.146 -0.750 0.000
C3 0.000 0.634 0.000
C4 -1.322 1.343 0.000
H5 2.307 -0.869 0.000
H6 1.422 -2.501 0.000
H7 -0.764 -1.354 0.000
H8 0.900 1.252 0.000
H9 -2.154 0.629 0.000
H10 -1.430 1.990 0.883
H11 -1.430 1.990 -0.883

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
C11.39072.46413.85221.08831.08642.13202.70874.07144.49454.4945
C21.39071.39122.55592.16442.16721.09292.13882.68143.28123.2812
C32.46411.39121.49972.75383.44282.12961.09202.15392.15902.1590
C43.85222.55591.49974.25004.72292.75352.22381.09681.09981.0998
H51.08832.16442.75384.25001.85673.10982.54534.70604.78734.7873
H61.08642.16723.44284.72291.85672.46963.78934.75245.39285.3928
H72.13201.09292.12962.75353.10982.46963.09202.42073.52143.5214
H82.70872.13881.09202.22382.54533.78933.09203.11732.59872.5987
H94.07142.68142.15391.09684.70604.75242.42073.11731.77671.7767
H104.49453.28122.15901.09984.78735.39283.52142.59871.77671.7658
H114.49453.28122.15901.09984.78735.39283.52142.59871.77671.7658

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 124.688 C1 C2 H7 117.786
C2 C1 H5 121.160 C2 C1 H6 121.588
C2 C3 C4 124.242 C2 C3 H8 118.424
C3 C2 H7 117.526 C3 C4 H9 111.159
C3 C4 H10 111.386 C3 C4 H11 111.386
C4 C3 H8 117.334 H5 C1 H6 117.252
H9 C4 H10 107.964 H9 C4 H11 107.964
H10 C4 H11 106.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability