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

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-34.787765
Energy at 298.15K-34.798396
Nuclear repulsion energy102.855823
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 B3LYP/CEP-121G
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 3076 2997 68.02      
2 A 3069 2990 28.45      
3 A 3065 2987 108.17      
4 A 3056 2978 26.07      
5 A 3016 2939 44.88      
6 A 3005 2929 51.90      
7 A 3002 2925 18.57      
8 A 2984 2908 43.65      
9 A 2899 2825 116.03      
10 A 2891 2817 51.84      
11 A 2876 2803 56.74      
12 A 1528 1489 4.57      
13 A 1522 1484 8.56      
14 A 1515 1476 4.13      
15 A 1509 1470 13.26      
16 A 1508 1469 9.66      
17 A 1496 1458 1.89      
18 A 1495 1457 1.84      
19 A 1434 1398 3.28      
20 A 1427 1390 7.44      
21 A 1417 1381 6.37      
22 A 1377 1342 0.70      
23 A 1304 1271 1.44      
24 A 1284 1251 8.45      
25 A 1247 1215 5.03      
26 A 1105 1077 1.28      
27 A 1062 1035 3.05      
28 A 1040 1013 4.50      
29 A 1005 979 0.82      
30 A 986 961 1.77      
31 A 948 924 0.50      
32 A 931 907 0.35      
33 A 780 760 2.01      
34 A 717 699 1.69      
35 A 440 429 0.94      
36 A 369 360 0.06      
37 A 311 303 2.01      
38 A 252 246 0.45      
39 A 196 191 1.22      
40 A 121 118 0.02      
41 A 109 106 0.09      
42 A 28 27 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 31700.3 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 30891.9 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 B3LYP/CEP-121G
ABC
0.23549 0.11056 0.08258

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.682 1.498 0.063
H2 0.205 2.053 -0.269
H3 -1.543 1.860 -0.515
H4 -0.861 1.787 1.120
C5 2.086 -0.053 -0.242
H6 2.228 0.989 0.074
H7 2.968 -0.621 0.084
H8 2.053 -0.072 -1.340
C9 0.789 -0.667 0.361
H10 0.750 -1.737 0.106
H11 0.871 -0.627 1.469
C12 -0.513 -0.006 -0.085
C13 -1.768 -0.862 -0.155
H14 -1.554 -1.862 -0.559
H15 -2.224 -1.012 0.845
H16 -2.540 -0.395 -0.785

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15 H16
C11.09801.09881.10983.18692.95434.22013.45162.63453.53812.98361.52062.60643.52593.04742.7845
H21.09801.77611.77062.82322.31123.86083.01272.85273.84763.26292.18873.52154.30144.06633.7139
H31.09881.77611.77294.11123.91525.18304.16513.54924.31143.99372.17492.75453.72203.24972.4804
H41.10981.77061.77293.73073.35734.63954.24193.05284.00522.99112.18783.07634.07533.12513.3479
C53.18692.82324.11123.73071.09801.09881.09841.55652.17782.17572.60393.93894.07694.54724.6698
H62.95432.31123.91523.35731.09801.77181.77602.21313.10162.53042.92094.41034.77854.94205.0386
H74.22013.86085.18304.63951.09881.77181.77912.19662.48292.51313.53874.74824.73305.26205.5803
H83.45163.01274.16514.24191.09841.77601.77912.20162.56183.09782.85774.07814.10224.89444.6378
C92.63452.85273.54923.05281.55652.21312.19662.20161.10081.11121.52712.61652.78653.07143.5314
H103.53813.84764.31144.00522.17783.10162.48292.56181.10081.76192.15152.67932.40173.14963.6634
H112.98363.26293.99372.99112.17572.53042.51313.09781.11121.76192.17123.10783.39343.18064.0947
C121.52062.18872.17492.18782.60392.92093.53872.85771.52712.15152.17121.52052.17962.19152.1793
C132.60643.52152.75453.07633.93894.41034.74824.07812.61652.67933.10781.52051.09931.10971.0996
H143.52594.30143.72204.07534.07694.77854.73304.10222.78652.40173.39342.17961.09931.77251.7813
H153.04744.06633.24973.12514.54724.94205.26204.89443.07143.14963.18062.19151.10971.77251.7712
H162.78453.71392.48043.34794.66985.03865.58034.63783.53143.66344.09472.17931.09961.78131.7712

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 119.631 C1 C12 C13 117.977
H2 C1 H3 107.894 H2 C1 H4 106.634
H2 C1 C12 112.398 H3 C1 H4 106.781
H3 C1 C12 111.238 H4 C1 C12 111.596
C5 C9 H10 108.870 C5 C9 H11 108.125
C5 C9 C12 115.225 H6 C5 H7 107.519
H6 C5 H8 107.920 H6 C5 C9 111.804
H7 C5 H8 108.136 H7 C5 C9 110.452
H8 C5 C9 110.862 C9 C12 C13 118.311
H10 C9 H11 105.597 H10 C9 C12 108.832
H11 C9 C12 109.757 C12 C13 H14 111.590
C12 C13 H15 111.915 C12 C13 H16 111.551
H14 C13 H15 106.711 H14 C13 H16 108.210
H15 C13 H16 106.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.579      
2 H 0.160      
3 H 0.148      
4 H 0.139      
5 C -0.487      
6 H 0.143      
7 H 0.141      
8 H 0.147      
9 C -0.266      
10 H 0.132      
11 H 0.122      
12 C 0.336      
13 C -0.577      
14 H 0.152      
15 H 0.142      
16 H 0.149      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.054 -0.012 0.253 0.259
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.576 -0.179 0.197
y -0.179 -34.312 0.087
z 0.197 0.087 -35.230
Traceless
 xyz
x 0.196 -0.179 0.197
y -0.179 0.591 0.087
z 0.197 0.087 -0.787
Polar
3z2-r2-1.574
x2-y2-0.264
xy-0.179
xz0.197
yz0.087


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.013 -0.001 0.091
y -0.001 9.073 0.002
z 0.091 0.002 7.833


<r2> (average value of r2) Å2
<r2> 135.411
(<r2>)1/2 11.637