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All results from a given calculation for CH3CHCH2CH3 (2-Butyl radical)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-156.731843
Energy at 298.15K-156.740679
HF Energy-156.731843
Nuclear repulsion energy122.395244
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 HF/Def2TZVPP
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 3275 2968 40.97      
2 A 3217 2916 52.17      
3 A 3216 2915 30.18      
4 A 3212 2912 62.44      
5 A 3174 2877 40.83      
6 A 3157 2861 33.00      
7 A 3147 2853 25.44      
8 A 3104 2813 55.45      
9 A 3083 2794 41.72      
10 A 1619 1468 3.64      
11 A 1613 1462 6.11      
12 A 1604 1454 4.31      
13 A 1598 1448 4.44      
14 A 1596 1447 2.12      
15 A 1541 1397 0.30      
16 A 1535 1392 3.06      
17 A 1520 1378 0.11      
18 A 1423 1290 7.79      
19 A 1383 1253 0.20      
20 A 1269 1150 0.27      
21 A 1187 1076 0.07      
22 A 1168 1058 1.73      
23 A 1089 987 0.17      
24 A 1060 961 0.52      
25 A 1049 951 2.20      
26 A 894 810 0.24      
27 A 830 753 0.55      
28 A 473 429 14.98      
29 A 446 404 4.07      
30 A 274 249 0.91      
31 A 258 234 0.08      
32 A 148 134 0.07      
33 A 78 71 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 27119.6 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 24581.2 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 HF/Def2TZVPP
ABC
0.89645 0.12154 0.11431

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.984 -0.048 -0.067
H2 2.077 -0.820 -0.823
H3 2.674 0.748 -0.316
H4 2.325 -0.485 0.872
C5 0.579 0.450 0.031
H6 0.421 1.452 0.390
C7 -0.573 -0.503 0.098
H8 -0.563 -1.029 1.055
H9 -0.444 -1.277 -0.654
C10 -1.932 0.167 -0.084
H11 -2.099 0.919 0.678
H12 -1.999 0.654 -1.049
H13 -2.737 -0.555 -0.017

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 H9 C10 H11 H12 H13
C11.08511.08271.09061.49422.21402.60282.95102.78423.92204.26174.16204.7487
H21.08511.75341.74562.14213.06252.82383.24672.56774.19454.76674.34054.8887
H31.08271.75341.74822.14492.46413.50483.93923.73364.64854.87864.73125.5741
H41.09061.74561.74822.15222.75902.99982.94413.25944.41144.64574.86685.1402
C51.49422.14212.14492.15221.07601.49662.13062.12092.52922.79452.80223.4651
H62.21403.06252.46412.75901.07602.21262.75033.04732.72242.59142.92613.7635
C72.60282.82383.50482.99981.49662.21261.09221.08711.52582.16532.16522.1677
H82.95103.24673.93922.94412.13062.75031.09221.73172.14532.50973.05362.4706
H92.78422.56773.73363.25942.12093.04731.08711.73172.15043.05612.51072.4875
C103.92204.19454.64854.41142.52922.72241.52582.14532.15041.08411.08341.0830
H114.26174.76674.87864.64572.79452.59142.16532.50973.05611.08411.75041.7502
H124.16204.34054.73124.86682.80222.92612.16523.05362.51071.08341.75041.7524
H134.74874.88875.57415.14023.46513.76352.16772.47062.48751.08301.75021.7524

picture of 2-Butyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 118.044 C1 C5 C7 120.977
H2 C1 H3 107.964 H2 C1 H4 106.701
H2 C1 C5 111.314 H3 C1 H4 107.110
H3 C1 C5 111.693 H4 C1 C5 111.798
C5 C7 H8 109.785 C5 C7 H9 109.319
C5 C7 C10 113.603 H6 C5 C7 117.715
C7 C10 H11 110.993 C7 C10 H12 111.025
C7 C10 H13 111.249 H8 C7 H9 105.241
H8 C7 C10 108.929 H9 C7 C10 109.627
H11 C10 H12 107.718 H11 C10 H13 107.727
H12 C10 H13 107.973
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.178      
2 H 0.052      
3 H 0.067      
4 H 0.053      
5 C -0.076      
6 H 0.054      
7 C -0.021      
8 H 0.028      
9 H 0.031      
10 C -0.165      
11 H 0.045      
12 H 0.053      
13 H 0.059      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.046 -0.151 0.221 0.271
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.067 0.264 0.000
y 0.264 -27.629 0.485
z 0.000 0.485 -28.020
Traceless
 xyz
x -0.242 0.264 0.000
y 0.264 0.414 0.485
z 0.000 0.485 -0.172
Polar
3z2-r2-0.344
x2-y2-0.438
xy0.264
xz0.000
yz0.485


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.061 -0.045 -0.001
y -0.045 6.718 0.006
z -0.001 0.006 6.158


<r2> (average value of r2) Å2
<r2> 116.520
(<r2>)1/2 10.794