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

using model chemistry: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-196.477338
Energy at 298.15K-196.486990
HF Energy-196.477338
Nuclear repulsion energy 
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 wB97X-D/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' 3183 3019 44.42      
2 A' 3174 3011 34.18      
3 A' 3161 2998 3.42      
4 A' 3154 2991 19.20      
5 A' 3064 2906 20.60      
6 A' 3058 2901 54.45      
7 A' 3046 2889 34.03      
8 A' 1800 1708 1.28      
9 A' 1538 1459 8.02      
10 A' 1533 1454 6.34      
11 A' 1519 1440 2.00      
12 A' 1463 1388 2.70      
13 A' 1454 1379 2.31      
14 A' 1449 1374 5.80      
15 A' 1402 1330 2.73      
16 A' 1260 1196 4.22      
17 A' 1155 1095 8.73      
18 A' 1089 1033 6.49      
19 A' 992 941 2.49      
20 A' 980 929 1.68      
21 A' 786 746 1.66      
22 A' 532 504 2.22      
23 A' 393 373 0.34      
24 A' 307 292 0.23      
25 A" 3118 2957 27.68      
26 A" 3112 2951 30.46      
27 A" 3103 2943 21.47      
28 A" 1523 1445 20.46      
29 A" 1513 1435 2.00      
30 A" 1503 1425 0.65      
31 A" 1123 1065 0.59      
32 A" 1078 1023 0.59      
33 A" 1032 979 2.22      
34 A" 833 790 12.55      
35 A" 452 429 2.45      
36 A" 260 246 1.68      
37 A" 164 156 1.15      
38 A" 96 91 0.07      
39 A" 83 79 0.49      

Unscaled Zero Point Vibrational Energy (zpe) 30240.9 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 28683.5 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 wB97X-D/6-31G*
ABC
0.26852 0.11709 0.08541

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.506 0.490 0.000
H2 -1.969 -0.499 0.000
H3 -1.874 1.033 0.880
H4 -1.874 1.033 -0.880
C5 0.269 -2.093 0.000
H6 0.652 -2.625 -0.880
H7 0.652 -2.625 0.880
H8 -0.819 -2.191 0.000
C9 0.736 -0.667 0.000
H10 1.820 -0.544 0.000
C11 0.000 0.449 0.000
C12 0.659 1.806 0.000
H13 1.750 1.731 0.000
H14 0.357 2.389 0.881
H15 0.357 2.389 -0.881

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 C11 C12 H13 H14 H15
C11.09181.09761.09763.13453.88993.88992.76802.52293.48281.50652.53313.48432.80162.8016
H21.09181.76931.76932.74813.48743.48742.04622.71023.78902.18513.49504.33603.81063.8106
H31.09761.76931.76033.89124.78084.44483.50493.23654.11142.15092.79003.79372.60993.1483
H41.09761.76931.76033.89124.44484.78083.50493.23654.11142.15092.79003.79373.14832.6099
C53.13452.74813.89123.89121.09711.09711.09281.50112.19192.55653.91874.10084.56844.5684
H63.88993.48744.78084.44481.09711.76091.76802.14842.54333.26294.51724.57725.32165.0218
H73.88993.48744.44484.78081.09711.76091.76802.14842.54333.26294.51724.57725.02185.3216
H82.76802.04623.50493.50491.09281.76801.76802.17793.11092.76444.26174.68874.80974.8097
C92.52292.71023.23653.23651.50112.14842.14842.17791.09061.33662.47392.60303.20213.2021
H103.48283.78904.11144.11142.19192.54332.54333.11091.09062.07312.62132.27593.39353.3935
C111.50652.18512.15092.15092.55653.26293.26292.76441.33662.07311.50842.16932.15982.1598
C122.53313.49502.79002.79003.91874.51724.51724.26172.47392.62131.50841.09401.09811.0981
H133.48434.33603.79373.79374.10084.57724.57724.68872.60302.27592.16931.09401.77451.7745
H142.80163.81062.60993.14834.56845.32165.02184.80973.20213.39352.15981.09811.77451.7611
H152.80163.81063.14832.60994.56845.02185.32164.80973.20213.39352.15981.09811.77451.7611

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 124.983 C1 C11 C12 114.322
H2 C1 H3 107.821 H2 C1 H4 107.821
H2 C1 C11 113.526 H3 C1 H4 106.617
H3 C1 C11 110.388 H4 C1 C11 110.388
C5 C9 H10 114.575 C5 C9 C11 128.462
H6 C5 H7 106.742 H6 C5 H8 107.678
H6 C5 C9 110.601 H7 C5 H8 107.678
H7 C5 C9 110.601 H8 C5 C9 113.266
C9 C11 C12 120.695 H10 C9 C11 116.963
C11 C12 H13 111.946 C11 C12 H14 110.934
C11 C12 H15 110.934 H13 C12 H14 108.096
H13 C12 H15 108.096 H14 C12 H15 106.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.555      
2 H 0.170      
3 H 0.170      
4 H 0.170      
5 C -0.539      
6 H 0.173      
7 H 0.173      
8 H 0.167      
9 C -0.185      
10 H 0.140      
11 C 0.161      
12 C -0.550      
13 H 0.170      
14 H 0.167      
15 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.167 0.067 0.000 0.180
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.885 -0.358 0.000
y -0.358 -31.583 0.000
z 0.000 0.000 -33.844
Traceless
 xyz
x 0.829 -0.358 0.000
y -0.358 1.281 0.000
z 0.000 0.000 -2.110
Polar
3z2-r2-4.220
x2-y2-0.302
xy-0.358
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.128 -1.097 0.000
y -1.097 10.240 0.000
z 0.000 0.000 5.739


<r2> (average value of r2) Å2
<r2> 150.760
(<r2>)1/2 12.278