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

using model chemistry: M06-2X/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-195.362697
Energy at 298.15K-195.372494
HF Energy-195.362697
Nuclear repulsion energy174.050987
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 M06-2X/3-21G*
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' 3163 2996 29.31      
2 A' 3146 2980 0.32      
3 A' 3128 2963 13.54      
4 A' 3126 2961 10.24      
5 A' 3053 2892 20.09      
6 A' 3036 2876 9.13      
7 A' 3033 2873 22.93      
8 A' 1798 1703 0.65      
9 A' 1567 1484 15.99      
10 A' 1564 1482 3.14      
11 A' 1550 1468 2.54      
12 A' 1476 1398 4.57      
13 A' 1464 1387 9.42      
14 A' 1450 1374 9.20      
15 A' 1425 1350 1.57      
16 A' 1255 1189 4.64      
17 A' 1154 1093 9.94      
18 A' 1097 1039 8.07      
19 A' 994 942 2.17      
20 A' 977 926 3.06      
21 A' 777 736 2.34      
22 A' 534 506 2.65      
23 A' 388 367 0.42      
24 A' 315 298 0.21      
25 A" 3111 2947 17.40      
26 A" 3085 2923 12.52      
27 A" 3081 2918 10.97      
28 A" 1557 1475 28.19      
29 A" 1552 1470 2.27      
30 A" 1538 1457 0.15      
31 A" 1147 1087 3.05      
32 A" 1110 1052 0.03      
33 A" 1057 1001 2.85      
34 A" 872 826 17.49      
35 A" 449 425 4.57      
36 A" 262 248 2.08      
37 A" 208 197 1.81      
38 A" 116 110 0.38      
39 A" 77 73 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 30344.9 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 28742.7 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 M06-2X/3-21G*
ABC
0.26809 0.11681 0.08525

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.515 0.456 0.000
H2 -1.946 -0.546 0.000
H3 -1.883 0.992 0.884
H4 -1.883 0.992 -0.884
C5 0.301 -2.091 0.000
H6 0.685 -2.615 -0.883
H7 0.685 -2.615 0.883
H8 -0.787 -2.179 0.000
C9 0.762 -0.652 0.000
H10 1.843 -0.519 0.000
C11 0.000 0.444 0.000
C12 0.617 1.831 0.000
H13 1.709 1.780 0.000
H14 0.293 2.393 0.885
H15 0.293 2.393 -0.885

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 C11 C12 H13 H14 H15
C11.09091.09751.09753.12853.88023.88022.73352.53263.49691.51532.53683.48572.79352.7935
H21.09091.77541.77542.72763.46243.46242.00262.71053.78962.18383.49564.33293.79933.7993
H31.09751.77541.76883.88044.76794.42803.46933.23724.11652.15102.78083.78212.58753.1345
H41.09751.77541.76883.88044.42804.76793.46933.23724.11652.15102.78083.78213.13452.5875
C53.12852.72763.88043.88041.09671.09671.09151.51092.20182.55293.93434.11914.57054.5705
H63.88023.46244.76794.42801.09671.76681.77132.15432.55263.25724.53334.59885.32585.0237
H73.88023.46244.42804.76791.09671.76681.77132.15432.55263.25724.53334.59885.02375.3258
H82.73352.00263.46933.46931.09151.77131.77132.17453.10952.73804.24774.67974.77984.7798
C92.53262.71053.23723.23721.51092.15432.15432.17451.08921.33492.48692.61003.20553.2055
H103.49693.78964.11654.11652.20182.55262.55263.10951.08922.07942.65022.30293.41553.4155
C111.51532.18382.15102.15102.55293.25723.25722.73801.33492.07941.51762.16942.16032.1603
C122.53683.49562.78082.78083.93434.53334.53334.24772.48692.65021.51761.09341.09741.0974
H133.48574.33293.78213.78214.11914.59884.59884.67972.61002.30292.16941.09341.77891.7789
H142.79353.79932.58753.13454.57055.32585.02374.77983.20553.41552.16031.09741.77891.7695
H152.79353.79933.13452.58754.57055.02375.32584.77983.20553.41552.16031.09741.77891.7695

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 125.263 C1 C11 C12 113.531
H2 C1 H3 108.443 H2 C1 H4 108.443
H2 C1 C11 112.828 H3 C1 H4 107.383
H3 C1 C11 109.792 H4 C1 C11 109.792
C5 C9 H10 114.772 C5 C9 C11 127.440
H6 C5 H7 107.324 H6 C5 H8 108.094
H6 C5 C9 110.402 H7 C5 H8 108.094
H7 C5 C9 110.402 H8 C5 C9 112.351
C9 C11 C12 121.207 H10 C9 C11 117.789
C11 C12 H13 111.338 C11 C12 H14 110.378
C11 C12 H15 110.378 H13 C12 H14 108.587
H13 C12 H15 108.587 H14 C12 H15 107.463
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.599      
2 H 0.205      
3 H 0.205      
4 H 0.205      
5 C -0.621      
6 H 0.208      
7 H 0.208      
8 H 0.203      
9 C -0.188      
10 H 0.185      
11 C -0.035      
12 C -0.582      
13 H 0.200      
14 H 0.202      
15 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.181 0.070 0.000 0.194
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.053 -0.351 0.000
y -0.351 -31.640 0.000
z 0.000 0.000 -34.719
Traceless
 xyz
x 1.126 -0.351 0.000
y -0.351 1.746 0.000
z 0.000 0.000 -2.872
Polar
3z2-r2-5.744
x2-y2-0.413
xy-0.351
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.592 -1.101 0.000
y -1.101 9.517 0.000
z 0.000 0.000 5.173


<r2> (average value of r2) Å2
<r2> 151.098
(<r2>)1/2 12.292