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

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-196.481978
Energy at 298.15K-196.491626
HF Energy-196.481978
Nuclear repulsion energy174.196520
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 B97D3/6-311+G(3df,2p)
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' 3070 3030 51.53      
2 A' 3064 3024 37.76      
3 A' 3049 3009 12.23      
4 A' 3046 3006 9.89      
5 A' 2957 2919 12.09      
6 A' 2955 2917 95.59      
7 A' 2947 2909 34.79      
8 A' 1692 1670 1.69      
9 A' 1469 1450 11.04      
10 A' 1466 1447 1.86      
11 A' 1452 1433 1.65      
12 A' 1389 1371 0.71      
13 A' 1383 1365 1.45      
14 A' 1376 1358 6.37      
15 A' 1345 1327 3.47      
16 A' 1208 1192 5.27      
17 A' 1105 1090 12.04      
18 A' 1045 1032 4.27      
19 A' 946 933 2.70      
20 A' 938 926 2.00      
21 A' 758 748 1.49      
22 A' 517 511 1.74      
23 A' 379 374 0.42      
24 A' 290 286 0.22      
25 A" 2995 2956 32.00      
26 A" 2994 2955 25.75      
27 A" 2990 2951 21.14      
28 A" 1462 1443 16.50      
29 A" 1453 1434 2.31      
30 A" 1442 1423 0.71      
31 A" 1075 1061 0.16      
32 A" 1034 1020 1.50      
33 A" 992 979 2.67      
34 A" 805 795 12.55      
35 A" 440 434 3.25      
36 A" 254 251 1.83      
37 A" 174 172 1.29      
38 A" 126 125 0.09      
39 A" 103 102 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 29090.9 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 28712.7 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 B97D3/6-311+G(3df,2p)
ABC
0.26857 0.11695 0.08533

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.506 0.485 0.000
H2 -1.963 -0.505 0.000
H3 -1.877 1.029 0.879
H4 -1.877 1.029 -0.879
C5 0.273 -2.094 0.000
H6 0.655 -2.630 -0.879
H7 0.655 -2.630 0.879
H8 -0.815 -2.190 0.000
C9 0.741 -0.668 0.000
H10 1.825 -0.543 0.000
C11 0.000 0.451 0.000
C12 0.652 1.811 0.000
H13 1.743 1.740 0.000
H14 0.345 2.393 0.880
H15 0.345 2.393 -0.880

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 C11 C12 H13 H14 H15
C11.09121.09841.09843.13323.89173.89172.76292.52523.48611.50592.53163.48222.79982.7998
H21.09121.77051.77052.74313.48433.48432.03852.70863.78842.18343.49264.33283.80823.8082
H31.09841.77051.75833.89224.78434.44953.50173.24124.11722.15172.78863.79212.60743.1451
H41.09841.77051.75833.89224.44954.78433.50173.24124.11722.15172.78863.79213.14512.6074
C53.13322.74313.89223.89221.09811.09811.09241.50052.19362.55943.92274.10564.57294.5729
H63.89173.48434.78434.44951.09811.75841.76842.15152.54853.27004.52654.58805.33095.0324
H73.89173.48434.44954.78431.09811.75841.76842.15152.54853.27004.52654.58805.03245.3309
H82.76292.03853.50173.50171.09241.76841.76842.17613.11122.76354.26064.68864.80864.8086
C92.52522.70863.24123.24121.50052.15152.15152.17611.09161.34202.48022.60803.20953.2095
H103.48613.78844.11724.11722.19362.54852.54853.11121.09162.07862.63052.28483.40413.4041
C111.50592.18342.15172.15172.55943.27003.27002.76351.34202.07861.50772.16772.15992.1599
C122.53163.49262.78862.78863.92274.52654.52654.26062.48022.63051.50771.09361.09861.0986
H133.48224.33283.79213.79214.10564.58804.58804.68862.60802.28482.16771.09361.77591.7759
H142.79983.80822.60743.14514.57295.33095.03244.80863.20953.40412.15991.09861.77591.7593
H152.79983.80823.14512.60744.57295.03245.33094.80863.20953.40412.15991.09861.77591.7593

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 124.757 C1 C11 C12 114.386
H2 C1 H3 107.927 H2 C1 H4 107.927
H2 C1 C11 113.451 H3 C1 H4 106.437
H3 C1 C11 110.407 H4 C1 C11 110.407
C5 C9 H10 114.762 C5 C9 C11 128.276
H6 C5 H7 106.471 H6 C5 H8 107.678
H6 C5 C9 110.791 H7 C5 H8 107.678
H7 C5 C9 110.791 H8 C5 C9 113.139
C9 C11 C12 120.858 H10 C9 C11 116.963
C11 C12 H13 111.899 C11 C12 H14 110.965
C11 C12 H15 110.965 H13 C12 H14 108.178
H13 C12 H15 108.178 H14 C12 H15 106.442
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.506      
2 H 0.104      
3 H 0.124      
4 H 0.124      
5 C -0.357      
6 H 0.121      
7 H 0.121      
8 H 0.110      
9 C -0.363      
10 H 0.088      
11 C 0.464      
12 C -0.384      
13 H 0.098      
14 H 0.127      
15 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.211 0.045 0.000 0.216
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.880 -0.343 0.000
y -0.343 -32.623 0.000
z 0.000 0.000 -34.628
Traceless
 xyz
x 0.745 -0.343 0.000
y -0.343 1.131 0.000
z 0.000 0.000 -1.876
Polar
3z2-r2-3.753
x2-y2-0.258
xy-0.343
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.008 -0.924 0.000
y -0.924 12.418 0.000
z 0.000 0.000 7.628


<r2> (average value of r2) Å2
<r2> 151.463
(<r2>)1/2 12.307