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All results from a given calculation for C5H11 (2-Methylbut-2-yl radical)

using model chemistry: BLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-196.967229
Energy at 298.15K-196.977537
HF Energy-196.967229
Nuclear repulsion energy179.718313
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 BLYP/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 3035 3010 48.96      
2 A 3024 2999 51.59      
3 A 3011 2987 36.50      
4 A 3009 2985 26.78      
5 A 2967 2943 21.65      
6 A 2962 2938 40.44      
7 A 2950 2926 52.88      
8 A 2946 2922 15.42      
9 A 2911 2887 54.58      
10 A 2859 2836 78.52      
11 A 2850 2827 42.75      
12 A 1499 1487 1.45      
13 A 1491 1479 1.86      
14 A 1488 1476 3.99      
15 A 1477 1465 2.02      
16 A 1471 1459 2.27      
17 A 1466 1454 5.85      
18 A 1461 1449 0.39      
19 A 1409 1398 0.14      
20 A 1391 1379 0.22      
21 A 1388 1377 0.19      
22 A 1328 1317 2.11      
23 A 1308 1298 3.15      
24 A 1262 1252 10.69      
25 A 1225 1215 1.44      
26 A 1049 1041 5.85      
27 A 1033 1024 1.45      
28 A 1004 995 1.34      
29 A 986 978 1.36      
30 A 964 956 0.50      
31 A 935 927 1.10      
32 A 903 896 0.02      
33 A 776 770 2.39      
34 A 712 706 0.61      
35 A 407 404 0.92      
36 A 383 380 0.16      
37 A 341 338 1.05      
38 A 225 223 0.03      
39 A 174 173 0.97      
40 A 105 104 0.00      
41 A 59 58 0.21      
42 A 17 17 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 31130.7 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 30878.6 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 BLYP/6-31G*
ABC
0.21845 0.11265 0.08687

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.600 1.497 0.062
H2 0.279 2.021 -0.349
H3 -1.498 1.907 -0.431
H4 -0.667 1.789 1.135
C5 2.083 -0.038 -0.158
H6 2.229 0.907 0.391
H7 2.948 -0.685 0.065
H8 2.105 0.193 -1.236
C9 0.762 -0.741 0.237
H10 0.730 -1.743 -0.232
H11 0.787 -0.941 1.334
C12 -0.515 -0.001 -0.112
C13 -1.803 -0.790 -0.099
H14 -1.671 -1.801 -0.522
H15 -2.196 -0.930 0.933
H16 -2.602 -0.283 -0.669

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15 H16
C11.10331.10361.11393.09942.90904.16573.27142.62533.51453.07951.51032.58943.51693.03312.7761
H21.10331.78321.77462.74442.36463.82332.73142.86403.79263.44412.18553.50774.29504.06033.7026
H31.10361.78321.77704.08503.94605.17094.07043.54464.28094.05552.17002.73483.71393.22522.4635
H41.11391.77461.77703.54573.11714.50933.98103.04094.03653.09922.18673.07714.08043.12703.3603
C53.09942.74444.08503.54571.10251.10281.10301.54772.17802.17282.59933.95934.16374.50594.7190
H62.90902.36463.94603.11711.10251.77671.78112.21143.10752.52642.93404.40244.83524.82235.0866
H74.16573.82335.17094.50931.10281.77671.78192.19412.47592.51973.53504.75594.78855.22355.6127
H83.27142.73144.07043.98101.10301.78111.78192.20112.57843.10292.85784.18754.32964.94684.7642
C92.62532.86403.54463.04091.54772.21142.19412.20111.10681.11551.51642.58762.76033.04513.5131
H103.51453.79264.28094.03652.17803.10752.47592.57841.10681.75982.14452.70962.41883.25283.6634
H113.07953.44414.05553.09922.17282.52642.51973.10291.11551.75982.16052.96373.19763.00983.9905
C121.51032.18552.17002.18672.59932.93403.53502.85781.51642.14452.16051.51082.17862.18702.1777
C132.58943.50772.73483.07713.95934.40244.75594.18752.58762.70962.96371.51081.10441.11371.1044
H143.51694.29503.71394.08044.16374.83524.78854.32962.76032.41883.19762.17861.10441.77621.7874
H153.03314.06033.22523.12704.50594.82235.22354.94683.04513.25283.00982.18701.11371.77621.7755
H162.77613.70262.46353.36034.71905.08665.61274.76423.51313.66343.99052.17771.10441.78741.7755

picture of 2-Methylbut-2-yl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C12 C9 120.311 C1 C12 C13 117.985
H2 C1 H3 107.807 H2 C1 H4 106.340
H2 C1 C12 112.553 H3 C1 H4 106.522
H3 C1 C12 111.282 H4 C1 C12 111.991
C5 C9 H10 109.137 C5 C9 H11 108.248
C5 C9 C12 116.054 H6 C5 H7 107.352
H6 C5 H8 107.715 H6 C5 C9 112.022
H7 C5 H8 107.770 H7 C5 C9 110.627
H8 C5 C9 111.163 C9 C12 C13 117.469
H10 C9 H11 104.728 H10 C9 C12 108.670
H11 C9 C12 109.407 C12 C13 H14 111.891
C12 C13 H15 111.992 C12 C13 H16 111.818
H14 C13 H15 106.405 H14 C13 H16 108.045
H15 C13 H16 106.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.465      
2 H 0.134      
3 H 0.132      
4 H 0.131      
5 C -0.396      
6 H 0.131      
7 H 0.123      
8 H 0.130      
9 C -0.273      
10 H 0.115      
11 H 0.117      
12 C 0.190      
13 C -0.465      
14 H 0.133      
15 H 0.132      
16 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.067 0.004 0.083 0.106
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.152 -0.024 0.337
y -0.024 -33.715 0.037
z 0.337 0.037 -34.455
Traceless
 xyz
x -0.067 -0.024 0.337
y -0.024 0.589 0.037
z 0.337 0.037 -0.521
Polar
3z2-r2-1.043
x2-y2-0.437
xy-0.024
xz0.337
yz0.037


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.574 -0.012 0.211
y -0.012 8.395 0.023
z 0.211 0.023 7.011


<r2> (average value of r2) Å2
<r2> 157.922
(<r2>)1/2 12.567