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

using model chemistry: QCISD/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-156.122288
Energy at 298.15K-156.128575
HF Energy-155.524099
Nuclear repulsion energy108.096268
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/aug-cc-pVDZ
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' 3263 3161 12.03      
2 A' 3165 3066 33.88      
3 A' 3162 3063 2.71      
4 A' 3154 3055 6.29      
5 A' 3112 3015 17.39      
6 A' 3016 2922 33.45      
7 A' 1526 1478 1.69      
8 A' 1512 1465 5.27      
9 A' 1473 1427 9.92      
10 A' 1407 1363 1.13      
11 A' 1339 1297 1.22      
12 A' 1282 1242 2.08      
13 A' 1191 1153 0.59      
14 A' 1144 1108 0.52      
15 A' 984 953 1.90      
16 A' 883 855 4.27      
17 A' 501 486 0.55      
18 A' 285 276 0.23      
19 A" 3073 2977 21.40      
20 A" 1466 1420 4.69      
21 A" 1021 989 0.44      
22 A" 978 947 29.99      
23 A" 775 750 44.31      
24 A" 721 698 0.37      
25 A" 535 518 6.05      
26 A" 217 211 1.74      
27 A" 144 139 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 20663.8 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 20017.0 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/aug-cc-pVDZ
ABC
1.23868 0.13124 0.12139

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.377 -1.424 0.000
C2 0.146 -0.753 0.000
C3 0.000 0.640 0.000
C4 -1.331 1.348 0.000
H5 2.320 -0.868 0.000
H6 1.428 -2.516 0.000
H7 -0.769 -1.361 0.000
H8 0.907 1.259 0.000
H9 -2.165 0.626 0.000
H10 -1.437 1.998 0.889
H11 -1.437 1.998 -0.889

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
C11.40112.48033.87421.09521.09312.14672.72344.09254.51834.5183
C21.40111.40042.56812.17712.17921.09892.15122.69213.29643.2964
C32.48031.40041.50732.76723.46332.14331.09842.16552.16822.1682
C43.87422.56811.50734.27084.74722.76642.23941.10341.10631.1063
H51.09522.17712.76724.27081.87353.12862.55384.72824.80884.8088
H61.09312.17923.46334.74721.87352.48223.81034.77345.41965.4196
H72.14671.09892.14332.76643.12862.48223.11032.42883.53823.5382
H82.72342.15121.09842.23942.55383.81033.11033.13702.61392.6139
H94.09252.69212.16551.10344.72824.77342.42883.13701.78921.7892
H104.51833.29642.16821.10634.80885.41963.53822.61391.78921.7775
H114.51833.29642.16821.10634.80885.41963.53822.61391.78921.7775

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 124.589 C1 C2 H7 117.828
C2 C1 H5 120.927 C2 C1 H6 121.298
C2 C3 C4 124.023 C2 C3 H8 118.329
C3 C2 H7 117.583 C3 C4 H9 111.143
C3 C4 H10 111.182 C3 C4 H11 111.182
C4 C3 H8 117.648 H5 C1 H6 117.775
H9 C4 H10 108.130 H9 C4 H11 108.130
H10 C4 H11 106.902
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability