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

using model chemistry: BLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-196.420004
Energy at 298.15K-196.430004
Nuclear repulsion energy173.996775
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 BLYP/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 3147 3123 25.26      
2 A 3068 3044 12.29      
3 A 3046 3022 29.87      
4 A 3043 3019 34.37      
5 A 3038 3014 44.05      
6 A 2996 2973 27.99      
7 A 2993 2970 19.04      
8 A 2972 2949 28.80      
9 A 2952 2929 30.67      
10 A 2935 2912 31.52      
11 A 1668 1655 12.25      
12 A 1488 1476 1.80      
13 A 1480 1469 3.19      
14 A 1474 1463 7.84      
15 A 1463 1452 6.28      
16 A 1452 1441 1.66      
17 A 1422 1411 0.04      
18 A 1387 1376 1.72      
19 A 1382 1371 1.13      
20 A 1317 1307 4.29      
21 A 1277 1267 1.89      
22 A 1241 1232 2.92      
23 A 1092 1084 0.75      
24 A 1069 1061 4.99      
25 A 1028 1020 1.38      
26 A 988 980 0.05      
27 A 980 972 1.27      
28 A 914 907 1.49      
29 A 884 877 34.23      
30 A 783 777 1.60      
31 A 752 746 1.12      
32 A 705 699 0.05      
33 A 521 517 4.43      
34 A 422 419 1.83      
35 A 389 386 0.49      
36 A 255 253 0.13      
37 A 223 222 0.29      
38 A 185 183 0.27      
39 A 72 72 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 29249.0 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 29023.8 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 BLYP/6-31G**
ABC
0.23742 0.12181 0.09276

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.017 1.336 0.020
H2 0.387 1.909 -0.683
H3 2.062 1.437 -0.307
H4 0.915 1.831 1.003
C5 -1.935 0.086 -0.399
H6 -1.897 1.176 -0.553
H7 -2.935 -0.157 -0.004
H8 -1.831 -0.397 -1.383
C9 -0.830 -0.399 0.576
H10 -0.950 -1.482 0.745
H11 -0.986 0.092 1.556
C12 0.592 -0.121 0.098
C13 1.432 -1.121 -0.233
H14 1.129 -2.170 -0.169
H15 2.452 -0.928 -0.577

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15
C11.10401.10011.10533.23262.97404.22403.61632.59363.51182.81361.51912.50443.51282.7453
H21.10401.78091.76792.96562.40233.97013.27472.89643.91463.19332.18403.23654.17763.5098
H31.10011.78091.78514.22053.97595.25384.43583.53734.32433.81702.18012.63573.72842.4114
H41.10531.76791.78513.62373.27974.44814.26542.86353.81062.63522.17563.24194.17503.5308
C53.23262.96564.22053.62371.10151.10181.10171.55122.17692.17272.58333.58053.81214.5057
H62.97402.40233.97593.27971.10151.77631.77992.21223.10632.54012.88094.05744.52804.8310
H74.22403.97015.25384.44811.10181.77631.78282.19662.50122.50853.52784.47724.53775.4709
H83.61633.27474.43584.26541.10171.77991.78282.19982.54663.09682.85253.53433.65764.3897
C92.59362.89643.53732.86351.55122.21222.19662.19981.10281.10731.52502.50762.74373.5175
H103.51183.91464.32433.81062.17693.10632.50122.54661.10281.77062.15602.59952.37303.6910
H112.81363.19333.81702.63522.17272.54012.50853.09681.10731.77062.15853.24243.54464.1715
C121.51912.18402.18012.17562.58332.88093.52782.85251.52502.15602.15851.34752.13552.1366
C132.50443.23652.63573.24193.58054.05744.47723.53432.50762.59953.24241.34751.09361.0936
H143.51284.17763.72844.17503.81214.52804.53773.65762.74372.37303.54462.13551.09361.8599
H152.74533.50982.41143.53084.50574.83105.47094.38973.51753.69104.17152.13661.09361.8599

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 116.860 C1 C12 C13 121.653
H2 C1 H3 107.793 H2 C1 H4 106.295
H2 C1 C12 111.756 H3 C1 H4 108.074
H3 C1 C12 111.676 H4 C1 C12 111.005
C5 C9 H10 109.042 C5 C9 H11 108.467
C5 C9 C12 114.225 H6 C5 H7 107.455
H6 C5 H8 107.783 H6 C5 C9 111.894
H7 C5 H8 108.016 H7 C5 C9 110.636
H8 C5 C9 110.893 C9 C12 C13 121.486
H10 C9 H11 106.474 H10 C9 C12 109.204
H11 C9 C12 109.142 C12 C13 H14 121.698
C12 C13 H15 121.805 H14 C13 H15 116.496
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.341      
2 H 0.103      
3 H 0.095      
4 H 0.098      
5 C -0.283      
6 H 0.094      
7 H 0.090      
8 H 0.098      
9 C -0.198      
10 H 0.081      
11 H 0.083      
12 C 0.204      
13 C -0.260      
14 H 0.068      
15 H 0.068      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.344 0.382 0.101 0.524
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.939 0.550 -0.665
y 0.550 -32.451 0.105
z -0.665 0.105 -34.116
Traceless
 xyz
x 0.345 0.550 -0.665
y 0.550 1.077 0.105
z -0.665 0.105 -1.422
Polar
3z2-r2-2.843
x2-y2-0.488
xy0.550
xz-0.665
yz0.105


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


<r2> (average value of r2) Å2
<r2> 146.057
(<r2>)1/2 12.085