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All results from a given calculation for C5H10 (2-Butene, 2-methyl-)

using model chemistry: HSEh1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-31G*
 hartrees
Energy at 0K-196.305955
Energy at 298.15K-196.315809
Nuclear repulsion energy174.520221
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 HSEh1PBE/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 3175 3019 46.69      
2 A 3168 3013 29.21      
3 A 3154 3000 9.00      
4 A 3152 2997 11.57      
5 A 3056 2906 13.26      
6 A 3053 2903 65.93      
7 A 3045 2895 27.88      
8 A 1786 1698 1.10      
9 A 1526 1451 12.33      
10 A 1525 1450 1.46      
11 A 1508 1434 1.78      
12 A 1448 1377 1.81      
13 A 1442 1372 2.98      
14 A 1438 1367 6.44      
15 A 1387 1319 2.73      
16 A 1260 1198 4.51      
17 A 1153 1097 8.71      
18 A 1084 1031 8.34      
19 A 985 937 3.09      
20 A 974 926 0.83      
21 A 790 752 1.96      
22 A 528 502 2.46      
23 A 383 364 0.44      
24 A 302 287 0.25      
25 A 3108 2955 26.12      
26 A 3105 2953 30.44      
27 A 3100 2948 16.18      
28 A 1517 1442 20.46      
29 A 1510 1436 1.53      
30 A 1497 1424 0.79      
31 A 1117 1062 0.77      
32 A 1072 1019 0.57      
33 A 1029 978 2.36      
34 A 836 795 12.35      
35 A 454 432 2.41      
36 A 267 254 1.52      
37 A 189 179 1.34      
38 A 154 147 0.04      
39 A 129 123 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 30201.1 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 28721.3 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 HSEh1PBE/6-31G*
ABC
0.26937 0.11754 0.08572

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.503 0.482 0.000
H2 -1.955 -0.513 0.000
H3 -1.875 1.022 0.881
H4 -1.875 1.022 -0.881
C5 0.277 -2.090 0.000
H6 0.659 -2.621 -0.881
H7 0.659 -2.621 0.881
H8 -0.813 -2.184 0.000
C9 0.742 -0.665 0.000
H10 1.827 -0.547 0.000
C11 0.000 0.449 0.000
C12 0.644 1.810 0.000
H13 1.737 1.742 0.000
H14 0.338 2.390 0.881
H15 0.338 2.390 -0.881

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 C11 C12 H13 H14 H15
C11.09281.09791.09793.12773.88343.88342.75402.52123.48561.50352.52473.47612.79352.7935
H21.09281.77181.77182.73263.47183.47182.02412.70113.78232.17893.48594.32573.80233.8023
H31.09791.77181.76133.88444.77464.43773.49043.23574.11582.14902.78213.78602.60073.1411
H41.09791.77181.76133.88444.43774.77463.49043.23574.11582.14902.78213.78603.14112.6007
C53.12772.73263.88443.88441.09751.09751.09361.49822.18722.55383.91684.10014.56554.5655
H63.88343.47184.77464.43771.09751.76181.77002.14642.53843.26134.51764.57955.32115.0210
H73.88343.47184.43774.77461.09751.76181.77002.14642.53843.26134.51764.57955.02105.3211
H82.75402.02413.49043.49041.09361.77001.77002.17303.10622.75554.25114.68084.79754.7975
C92.52122.70113.23573.23571.49822.14642.14642.17301.09181.33882.47722.60473.20513.2051
H103.48563.78234.11584.11582.18722.53842.53843.10621.09182.08092.63682.29033.40833.4083
C111.50352.17892.14902.14902.55383.26133.26132.75551.33882.08091.50562.16502.15772.1577
C122.52473.48592.78212.78213.91684.51764.51764.25112.47722.63681.50561.09451.09821.0982
H133.47614.32573.78603.78604.10014.57954.57954.68082.60472.29032.16501.09451.77561.7756
H142.79353.80232.60073.14114.56555.32115.02104.79753.20513.40832.15771.09821.77561.7618
H152.79353.80233.14112.60074.56555.02105.32114.79753.20513.40832.15771.09821.77561.7618

picture of 2-Butene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C11 C9 124.906 C1 C11 C12 114.076
H2 C1 H3 107.949 H2 C1 H4 107.949
H2 C1 C11 113.164 H3 C1 H4 106.669
H3 C1 C11 110.428 H4 C1 C11 110.428
C5 C9 H10 114.323 C5 C9 C11 128.274
H6 C5 H7 106.771 H6 C5 H8 107.772
H6 C5 C9 110.624 H7 C5 H8 107.772
H7 C5 C9 110.624 H8 C5 C9 113.022
C9 C11 C12 121.018 H10 C9 C11 117.403
C11 C12 H13 111.771 C11 C12 H14 110.961
C11 C12 H15 110.961 H13 C12 H14 108.142
H13 C12 H15 108.142 H14 C12 H15 106.667
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.577      
2 H 0.176      
3 H 0.176      
4 H 0.176      
5 C -0.561      
6 H 0.179      
7 H 0.179      
8 H 0.175      
9 C -0.181      
10 H 0.143      
11 C 0.164      
12 C -0.571      
13 H 0.175      
14 H 0.173      
15 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.171 0.058 0.000 0.181
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.925 -0.347 0.000
y -0.347 -31.586 0.000
z 0.000 0.000 -33.921
Traceless
 xyz
x 0.828 -0.347 0.000
y -0.347 1.337 0.000
z 0.000 0.000 -2.165
Polar
3z2-r2-4.331
x2-y2-0.340
xy-0.347
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.142 -1.078 0.000
y -1.078 10.374 0.000
z 0.000 0.000 5.708


<r2> (average value of r2) Å2
<r2> 150.365
(<r2>)1/2 12.262