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

using model chemistry: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-196.291082
Energy at 298.15K-196.300757
Nuclear repulsion energy173.649262
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 PBEPBE/6-311G*
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 3061 3029 55.62      
2 A 3054 3022 38.88      
3 A 3043 3011 18.98      
4 A 3036 3005 3.77      
5 A 2953 2922 10.54      
6 A 2950 2919 85.50      
7 A 2943 2912 31.16      
8 A 1698 1681 1.11      
9 A 1468 1453 14.79      
10 A 1465 1450 2.58      
11 A 1450 1435 2.37      
12 A 1385 1371 1.80      
13 A 1378 1364 3.27      
14 A 1374 1359 10.59      
15 A 1335 1321 2.03      
16 A 1208 1195 4.76      
17 A 1108 1097 10.45      
18 A 1043 1032 7.76      
19 A 947 937 3.44      
20 A 936 926 0.84      
21 A 762 754 1.90      
22 A 514 508 2.19      
23 A 373 369 0.42      
24 A 291 288 0.25      
25 A 2993 2962 26.73      
26 A 2992 2961 41.75      
27 A 2988 2957 19.08      
28 A 1460 1445 24.21      
29 A 1453 1437 3.04      
30 A 1438 1423 0.92      
31 A 1068 1057 0.28      
32 A 1025 1014 0.40      
33 A 987 977 2.60      
34 A 795 787 14.35      
35 A 437 433 3.49      
36 A 256 254 2.00      
37 A 180 178 1.42      
38 A 143 142 0.03      
39 A 119 118 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 29053.8 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 28751.7 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 PBEPBE/6-311G*
ABC
0.26694 0.11633 0.08487

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.507 0.496 0.000
H2 -1.975 -0.497 0.000
H3 -1.883 1.043 0.883
H4 -1.883 1.043 -0.883
C5 0.267 -2.099 0.000
H6 0.649 -2.642 -0.882
H7 0.649 -2.642 0.882
H8 -0.827 -2.199 0.000
C9 0.738 -0.674 0.000
H10 1.830 -0.553 0.000
C11 0.000 0.453 0.000
C12 0.661 1.809 0.000
H13 1.759 1.734 0.000
H14 0.362 2.402 0.883
H15 0.362 2.402 -0.883

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 C11 C12 H13 H14 H15
C11.09821.10471.10473.14343.90823.90822.77882.53113.49781.50732.53513.49242.81172.8117
H21.09821.77771.77772.75603.50253.50252.05252.71883.80582.19233.50344.35003.82753.8275
H31.10471.77771.76533.90874.80734.47163.52183.25554.13722.16192.80053.81082.62463.1634
H41.10471.77771.76533.90874.47164.80733.52183.25554.13722.16192.80053.81083.16342.6246
C53.14342.75603.90873.90871.10431.10431.09911.50052.19822.56653.92834.11284.58794.5879
H63.90823.50254.80734.47161.10431.76501.77622.15862.55693.28384.53834.59995.35215.0524
H73.90823.50254.47164.80731.10431.76501.77622.15862.55693.28384.53834.59995.05245.3521
H82.77882.05253.52183.52181.09911.77621.77622.18473.12542.77804.27564.70654.83324.8332
C92.53112.71883.25553.25551.50052.15862.15862.18471.09901.34752.48482.61553.22253.2225
H103.49783.80584.13724.13722.19822.55692.55693.12541.09902.08862.63582.28803.41593.4159
C111.50732.19232.16192.16192.56653.28383.28382.77801.34752.08861.50872.17552.16992.1699
C122.53513.50342.80052.80053.92834.53834.53834.27562.48482.63581.50871.10011.10501.1050
H133.49244.35003.81083.81084.11284.59994.59994.70652.61552.28802.17551.10011.78281.7828
H142.81173.82752.62463.16344.58795.35215.05244.83323.22253.41592.16991.10501.78281.7666
H152.81173.82753.16342.62464.58795.05245.35214.83323.22253.41592.16991.10501.78281.7666

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 124.806 C1 C11 C12 114.390
H2 C1 H3 107.606 H2 C1 H4 107.606
H2 C1 C11 113.648 H3 C1 H4 106.067
H3 C1 C11 110.779 H4 C1 C11 110.779
C5 C9 H10 114.591 C5 C9 C11 128.539
H6 C5 H7 106.094 H6 C5 H8 107.441
H6 C5 C9 111.020 H7 C5 H8 107.441
H7 C5 C9 111.020 H8 C5 C9 113.463
C9 C11 C12 120.804 H10 C9 C11 116.871
C11 C12 H13 112.055 C11 C12 H14 111.296
C11 C12 H15 111.296 H13 C12 H14 107.894
H13 C12 H15 107.894 H14 C12 H15 106.138
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.697      
2 H 0.219      
3 H 0.221      
4 H 0.221      
5 C -0.678      
6 H 0.223      
7 H 0.223      
8 H 0.217      
9 C -0.202      
10 H 0.175      
11 C 0.110      
12 C -0.684      
13 H 0.217      
14 H 0.218      
15 H 0.218      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.174 0.035 0.000 0.177
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.741 -0.347 0.000
y -0.347 -32.444 0.000
z 0.000 0.000 -34.800
Traceless
 xyz
x 0.881 -0.347 0.000
y -0.347 1.326 0.000
z 0.000 0.000 -2.207
Polar
3z2-r2-4.414
x2-y2-0.297
xy-0.347
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.068 -1.058 0.000
y -1.058 11.538 0.000
z 0.000 0.000 6.420


<r2> (average value of r2) Å2
<r2> 152.250
(<r2>)1/2 12.339