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All results from a given calculation for C5H10 (1-Butene, 2-methyl-)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-195.210828
Energy at 298.15K-195.221310
Nuclear repulsion energy176.494662
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 HF/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 3348 3042 22.67      
2 A 3274 2975 11.50      
3 A 3236 2941 29.77      
4 A 3225 2931 64.72      
5 A 3215 2921 57.44      
6 A 3199 2907 24.46      
7 A 3192 2900 13.12      
8 A 3159 2870 35.81      
9 A 3153 2864 32.21      
10 A 3141 2854 27.15      
11 A 1841 1673 32.05      
12 A 1628 1479 4.19      
13 A 1618 1470 5.35      
14 A 1615 1467 11.55      
15 A 1607 1460 7.85      
16 A 1596 1450 3.50      
17 A 1568 1425 0.36      
18 A 1537 1396 2.89      
19 A 1531 1391 2.45      
20 A 1475 1340 3.93      
21 A 1415 1286 1.50      
22 A 1373 1247 1.47      
23 A 1212 1101 0.83      
24 A 1189 1080 3.64      
25 A 1137 1033 0.81      
26 A 1087 988 0.17      
27 A 1082 983 0.74      
28 A 1044 948 54.26      
29 A 1001 910 0.97      
30 A 856 778 1.20      
31 A 819 745 0.68      
32 A 780 709 0.17      
33 A 583 530 8.52      
34 A 467 424 1.93      
35 A 424 385 0.95      
36 A 280 254 0.43      
37 A 240 218 0.47      
38 A 196 178 0.14      
39 A 70 64 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 31705.3 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 28807.4 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 HF/6-311+G(3df,2p)
ABC
0.24430 0.12511 0.09524

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.007 1.320 0.023
H2 0.408 1.871 -0.693
H3 2.045 1.414 -0.266
H4 0.875 1.802 0.987
C5 -1.910 0.094 -0.391
H6 -1.882 1.169 -0.516
H7 -2.892 -0.165 -0.011
H8 -1.799 -0.360 -1.370
C9 -0.822 -0.401 0.566
H10 -0.941 -1.466 0.718
H11 -0.965 0.072 1.535
C12 0.586 -0.125 0.093
C13 1.410 -1.103 -0.231
H14 1.112 -2.134 -0.173
H15 2.413 -0.910 -0.565

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15
C11.08431.08141.08593.19122.94254.17183.55402.56883.47012.78021.50652.46923.46072.7005
H21.08431.75241.74542.93652.40163.93683.20972.87383.86683.17582.15283.17234.09943.4307
H31.08141.75241.75684.17143.94245.18914.37463.49324.26423.75502.15082.59633.66982.3718
H41.08591.74541.75683.54663.20354.36554.16872.81273.74932.58482.14433.19534.11043.4822
C53.19122.93654.17143.54661.08321.08391.08401.53142.14572.14582.55223.53303.76074.4416
H62.94252.40163.94243.20351.08321.74781.75342.18153.05872.50012.85274.01054.47134.7722
H74.17183.93685.18914.36551.08391.74781.75432.16162.45542.48183.47954.40834.46435.3853
H83.55403.20974.37464.16871.08401.75341.75432.16842.51393.05242.80733.48503.61264.3232
C92.56882.87383.49322.81271.53142.18152.16162.16841.08321.08741.51062.47192.69993.4644
H103.47013.86684.26423.74932.14573.05872.45542.51391.08321.74152.12682.56192.33593.6344
H112.78023.17583.75502.58482.14582.50012.48183.05241.08741.74152.12673.18403.47774.0964
C121.50652.15282.15082.14432.55222.85273.47952.80731.51062.12682.12671.31922.09342.0942
C132.46923.17232.59633.19533.53304.01054.40833.48502.47192.56193.18401.31921.07461.0746
H143.46074.09943.66984.11043.76074.47134.46433.61262.69992.33593.47772.09341.07461.8290
H152.70053.43072.37183.48224.44164.77225.38534.32323.46443.63444.09642.09421.07461.8290

picture of 1-Butene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C12 C9 116.730 C1 C12 C13 121.674
H2 C1 H3 108.023 H2 C1 H4 107.073
H2 C1 C12 111.346 H3 C1 H4 108.308
H3 C1 C12 111.363 H4 C1 C12 110.565
C5 C9 H10 109.105 C5 C9 H11 108.863
C5 C9 C12 114.064 H6 C5 H7 107.513
H6 C5 H8 108.008 H6 C5 C9 111.958
H7 C5 H8 108.045 H7 C5 C9 110.312
H8 C5 C9 110.854 C9 C12 C13 121.593
H10 C9 H11 106.708 H10 C9 C12 109.052
H11 C9 C12 108.793 C12 C13 H14 121.633
C12 C13 H15 121.724 H14 C13 H15 116.643
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.355      
2 H 0.137      
3 H 0.104      
4 H 0.136      
5 C -0.436      
6 H 0.133      
7 H 0.120      
8 H 0.134      
9 C -0.265      
10 H 0.094      
11 H 0.133      
12 C 0.450      
13 C -0.620      
14 H 0.114      
15 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.396 0.397 0.137 0.577
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.445 0.627 -0.936
y 0.627 -32.801 0.183
z -0.936 0.183 -35.037
Traceless
 xyz
x 0.474 0.627 -0.936
y 0.627 1.440 0.183
z -0.936 0.183 -1.914
Polar
3z2-r2-3.828
x2-y2-0.644
xy0.627
xz-0.936
yz0.183


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.974 -0.958 -0.369
y -0.958 9.514 0.308
z -0.369 0.308 7.559


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000