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

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A"
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-155.623624
Energy at 298.15K-155.630016
HF Energy-155.623624
Nuclear repulsion energy109.327359
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 B1B95/3-21G
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' 3287 3145 10.93      
2 A' 3189 3051 20.75      
3 A' 3186 3048 13.62      
4 A' 3165 3028 3.50      
5 A' 3144 3008 9.86      
6 A' 3044 2912 21.58      
7 A' 1567 1499 8.73      
8 A' 1548 1481 2.26      
9 A' 1519 1454 12.87      
10 A' 1461 1397 7.57      
11 A' 1385 1325 0.44      
12 A' 1319 1262 1.72      
13 A' 1239 1185 0.63      
14 A' 1159 1109 0.14      
15 A' 1036 991 9.84      
16 A' 900 861 5.26      
17 A' 522 499 0.55      
18 A' 293 280 0.17      
19 A" 3088 2954 17.77      
20 A" 1542 1475 10.09      
21 A" 1069 1023 7.23      
22 A" 1013 969 24.27      
23 A" 817 782 76.28      
24 A" 751 719 0.23      
25 A" 552 528 6.74      
26 A" 221 212 2.25      
27 A" 150 144 1.20      

Unscaled Zero Point Vibrational Energy (zpe) 21082.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 20169.3 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 B1B95/3-21G
ABC
1.26624 0.13431 0.12423

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.367 -1.399 0.000
C2 0.154 -0.741 0.000
C3 0.000 0.633 0.000
C4 -1.327 1.321 0.000
H5 2.300 -0.848 0.000
H6 1.426 -2.479 0.000
H7 -0.752 -1.343 0.000
H8 0.888 1.259 0.000
H9 -2.145 0.597 0.000
H10 -1.441 1.965 0.881
H11 -1.441 1.965 -0.881

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
C11.37992.44943.82901.08351.08132.12022.70064.04014.46994.4699
C21.37991.38322.53962.14862.15301.08772.13062.66073.26283.2628
C32.44941.38321.49502.73573.42302.11421.08652.14562.15082.1508
C43.82902.53961.49504.22654.69252.72542.21641.09271.09701.0970
H51.08352.14862.73574.22651.85053.09222.53604.67444.76274.7627
H61.08132.15303.42304.69251.85052.45653.77604.71315.36135.3613
H72.12021.08772.11422.72543.09222.45653.07552.38823.49193.4919
H82.70062.13061.08652.21642.53603.77603.07553.10502.58822.5882
H94.04012.66072.14561.09274.67444.71312.38823.10501.77341.7734
H104.46993.26282.15081.09704.76275.36133.49192.58821.77341.7613
H114.46993.26282.15081.09704.76275.36133.49192.58821.77341.7613

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 124.867 C1 C2 H7 117.972
C2 C1 H5 120.958 C2 C1 H6 121.568
C2 C3 C4 123.808 C2 C3 H8 118.753
C3 C2 H7 117.161 C3 C4 H9 111.073
C3 C4 H10 111.224 C3 C4 H11 111.224
C4 C3 H8 117.439 H5 C1 H6 117.473
H9 C4 H10 108.173 H9 C4 H11 108.173
H10 C4 H11 106.801
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.404      
2 C -0.232      
3 C -0.185      
4 C -0.656      
5 H 0.200      
6 H 0.204      
7 H 0.206      
8 H 0.203      
9 H 0.216      
10 H 0.224      
11 H 0.224      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.320 0.357 0.000 0.480
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.918 -0.001 0.000
y -0.001 -23.550 0.000
z 0.000 0.000 -28.366
Traceless
 xyz
x 2.040 -0.001 0.000
y -0.001 2.592 0.000
z 0.000 0.000 -4.632
Polar
3z2-r2-9.263
x2-y2-0.368
xy-0.001
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.119 -2.065 0.000
y -2.065 8.153 0.000
z 0.000 0.000 2.822


<r2> (average value of r2) Å2
<r2> 102.956
(<r2>)1/2 10.147