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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-34.770747
Energy at 298.15K-34.781290
Nuclear repulsion energy102.463522
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-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 3120 3022 91.79      
2 A 3111 3013 49.02      
3 A 3107 3008 120.15      
4 A 3099 3001 25.49      
5 A 3062 2965 60.79      
6 A 3052 2955 60.28      
7 A 3048 2952 18.56      
8 A 3030 2935 45.32      
9 A 2957 2863 108.87      
10 A 2949 2856 47.39      
11 A 2937 2845 50.98      
12 A 1518 1470 5.15      
13 A 1511 1464 9.76      
14 A 1504 1457 4.88      
15 A 1498 1450 11.73      
16 A 1496 1449 16.09      
17 A 1486 1439 3.21      
18 A 1483 1436 1.95      
19 A 1427 1382 4.69      
20 A 1421 1376 9.68      
21 A 1412 1367 9.11      
22 A 1374 1331 1.69      
23 A 1308 1266 3.69      
24 A 1281 1240 10.57      
25 A 1246 1207 5.33      
26 A 1102 1067 1.13      
27 A 1063 1029 3.31      
28 A 1042 1009 6.93      
29 A 999 968 3.92      
30 A 982 951 2.38      
31 A 942 912 0.18      
32 A 933 904 0.30      
33 A 771 746 3.97      
34 A 725 702 1.49      
35 A 434 420 1.44      
36 A 363 351 0.02      
37 A 304 294 3.96      
38 A 254 246 0.94      
39 A 194 188 2.38      
40 A 119 115 0.03      
41 A 113 109 0.10      
42 A 25 25 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 31899.2 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 30891.2 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 B3LYP/CEP-31G
ABC
0.23433 0.10992 0.08202

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.673 1.503 0.066
H2 0.219 2.059 -0.272
H3 -1.543 1.878 -0.504
H4 -0.841 1.782 1.132
C5 2.091 -0.054 -0.235
H6 2.228 0.990 0.098
H7 2.979 -0.627 0.091
H8 2.065 -0.059 -1.339
C9 0.788 -0.681 0.353
H10 0.751 -1.752 0.078
H11 0.858 -0.655 1.466
C12 -0.511 -0.007 -0.105
C13 -1.782 -0.855 -0.150
H14 -1.581 -1.864 -0.554
H15 -2.224 -0.996 0.864
H16 -2.563 -0.381 -0.773

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15 H16
C11.10431.10521.11463.18732.94594.22773.45112.64323.55282.99321.52862.61513.54253.04752.7981
H21.10431.78621.78092.82412.30563.86843.00542.86763.86413.28562.19813.53764.32624.07343.7350
H31.10521.78621.78314.12453.91995.20294.17863.56534.33254.00682.18512.76583.74223.25462.4934
H41.11461.78091.78313.71973.33324.63384.23513.05334.01592.98862.19983.07944.08483.11453.3581
C53.18732.82414.12453.71971.10431.10511.10461.56102.18572.18512.60633.95654.10704.55124.6971
H62.94592.30563.91993.33321.10431.78261.78622.21983.11422.54002.92164.42084.80414.93395.0588
H74.22773.86845.20294.63381.10511.78261.78982.20702.49622.52793.55014.77264.76905.27255.6144
H83.45113.00544.17864.23511.10461.78621.78982.20942.56983.11142.85704.10494.14394.91164.6739
C92.64322.86763.56533.05331.56102.21982.20702.20941.10651.11511.53362.62492.79983.07093.5481
H103.55283.86414.33254.01592.18573.11422.49622.56981.10651.77202.16102.69662.41893.16773.6856
H112.99323.28564.00682.98862.18512.54002.52793.11141.11511.77202.18203.10163.39023.15804.0975
C121.52862.19812.18512.19982.60632.92163.55012.85701.53362.16102.18201.52862.19002.20212.1902
C132.61513.53762.76583.07943.95654.42084.77264.10492.62492.69663.10161.52861.10561.11461.1057
H143.54254.32623.74224.08484.10704.80414.76904.14392.79982.41893.39022.19001.10561.78261.7916
H153.04754.07343.25463.11454.55124.93395.27254.91163.07093.16773.15802.20211.11461.78261.7811
H162.79813.73502.49343.35814.69715.05885.61444.67393.54813.68564.09752.19021.10571.79161.7811

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 119.355 C1 C12 C13 117.606
H2 C1 H3 107.893 H2 C1 H4 106.760
H2 C1 C12 112.206 H3 C1 H4 106.891
H3 C1 C12 111.111 H4 C1 C12 111.703
C5 C9 H10 108.854 C5 C9 H11 108.324
C5 C9 C12 114.749 H6 C5 H7 107.570
H6 C5 H8 107.930 H6 C5 C9 111.637
H7 C5 H8 108.184 H7 C5 C9 110.583
H8 C5 C9 110.795 C9 C12 C13 118.005
H10 C9 H11 105.807 H10 C9 C12 108.800
H11 C9 C12 109.927 C12 C13 H14 111.469
C12 C13 H15 111.888 C12 C13 H16 111.481
H14 C13 H15 106.820 H14 C13 H16 108.238
H15 C13 H16 106.683
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.503      
2 H 0.159      
3 H 0.150      
4 H 0.130      
5 C -0.461      
6 H 0.131      
7 H 0.157      
8 H 0.142      
9 C -0.202      
10 H 0.127      
11 H 0.113      
12 C 0.073      
13 C -0.443      
14 H 0.148      
15 H 0.126      
16 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.083 -0.030 0.404 0.413
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.702 -0.265 0.117
y -0.265 -33.436 0.111
z 0.117 0.111 -34.077
Traceless
 xyz
x 0.054 -0.265 0.117
y -0.265 0.454 0.111
z 0.117 0.111 -0.508
Polar
3z2-r2-1.015
x2-y2-0.266
xy-0.265
xz0.117
yz0.111


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.938 0.112 0.051
y 0.112 7.978 -0.015
z 0.051 -0.015 6.475


<r2> (average value of r2) Å2
<r2> 135.519
(<r2>)1/2 11.641