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

using model chemistry: HF/6-311G*

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/6-311G*
 hartrees
Energy at 0K-195.178774
Energy at 298.15K-195.189234
Nuclear repulsion energy176.245081
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/6-311G*
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 3365 3043 32.82      
2 A 3291 2976 18.84      
3 A 3257 2946 37.84      
4 A 3248 2938 77.32      
5 A 3238 2928 75.88      
6 A 3221 2913 35.14      
7 A 3214 2907 18.52      
8 A 3182 2877 41.36      
9 A 3175 2871 38.51      
10 A 3166 2863 35.93      
11 A 1860 1682 22.02      
12 A 1644 1486 2.73      
13 A 1636 1479 6.63      
14 A 1631 1476 11.76      
15 A 1624 1469 8.94      
16 A 1612 1458 3.09      
17 A 1580 1429 0.68      
18 A 1550 1402 2.26      
19 A 1545 1397 2.63      
20 A 1485 1343 3.64      
21 A 1424 1288 1.42      
22 A 1381 1249 2.05      
23 A 1218 1102 0.67      
24 A 1195 1080 3.83      
25 A 1145 1036 0.80      
26 A 1091 987 0.43      
27 A 1090 986 0.50      
28 A 1035 936 54.53      
29 A 1006 910 0.73      
30 A 859 777 1.19      
31 A 822 743 0.67      
32 A 782 707 0.13      
33 A 580 525 8.00      
34 A 467 422 1.88      
35 A 424 384 0.84      
36 A 282 255 0.32      
37 A 241 218 0.42      
38 A 189 171 0.13      
39 A 69 62 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 31910.7 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 28860.1 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/6-311G*
ABC
0.24353 0.12489 0.09496

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.999 1.325 0.026
H2 0.413 1.872 -0.706
H3 2.043 1.429 -0.242
H4 0.846 1.814 0.985
C5 -1.911 0.093 -0.390
H6 -1.896 1.172 -0.493
H7 -2.895 -0.183 -0.025
H8 -1.790 -0.338 -1.379
C9 -0.822 -0.411 0.563
H10 -0.941 -1.480 0.705
H11 -0.969 0.048 1.540
C12 0.587 -0.125 0.093
C13 1.419 -1.099 -0.233
H14 1.129 -2.134 -0.180
H15 2.424 -0.901 -0.564

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15
C11.08561.08281.08703.18752.94514.17593.53822.57273.47682.79191.50892.47313.46752.7080
H21.08561.75211.74622.94302.42113.95253.19152.88863.87953.20572.15773.17164.10303.4283
H31.08281.75211.75644.17653.95535.19884.37143.49924.27313.76212.15582.60373.67922.3830
H41.08701.74621.75643.52923.18044.35894.14332.81253.75732.59252.14993.20814.12573.5013
C53.18752.94304.17653.52921.08441.08521.08511.53252.14802.14852.55413.54033.77414.4509
H62.94512.42113.95533.18041.08441.74781.75382.18523.06272.50172.86244.02664.49214.7921
H74.17593.95255.19884.35891.08521.74781.75462.16612.45582.49193.48454.41474.47425.3940
H83.53823.19154.37144.14331.08511.75381.75462.17132.52343.05662.80433.49163.63114.3289
C92.57272.88863.49922.81251.53252.18522.16612.17131.08461.08861.51322.47592.70713.4714
H103.47683.87954.27313.75732.14803.06272.45582.52341.08461.74082.13152.56752.34383.6424
H112.79193.20573.76212.59252.14852.50172.49193.05661.08861.74082.13183.18693.48084.1034
C121.50892.15772.15582.14992.55412.86243.48452.80431.51322.13152.13181.32102.09832.0993
C132.47313.17162.60373.20813.54034.02664.41473.49162.47592.56753.18691.32101.07671.0767
H143.46754.10303.67924.12573.77414.49214.47423.63112.70712.34383.48082.09831.07671.8293
H152.70803.42832.38303.50134.45094.79215.39404.32893.47143.64244.10342.09931.07671.8293

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 116.701 C1 C12 C13 121.691
H2 C1 H3 107.806 H2 C1 H4 106.975
H2 C1 C12 111.490 H3 C1 H4 108.090
H3 C1 C12 111.511 H4 C1 C12 110.776
C5 C9 H10 109.118 C5 C9 H11 108.925
C5 C9 C12 113.974 H6 C5 H7 107.331
H6 C5 H8 107.882 H6 C5 C9 112.100
H7 C5 H8 107.896 H7 C5 C9 110.517
H8 C5 C9 110.939 C9 C12 C13 121.606
H10 C9 H11 106.457 H10 C9 C12 109.155
H11 C9 C12 108.941 C12 C13 H14 121.785
C12 C13 H15 121.893 H14 C13 H15 116.322
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.652 -0.144   -0.328
2 H 0.222 0.048   0.099
3 H 0.219 0.048   0.100
4 H 0.213 0.043   0.092
5 C -0.610 0.009   -0.079
6 H 0.207 -0.003   0.020
7 H 0.210 -0.010   0.014
8 H 0.212 -0.015   0.026
9 C -0.455 0.119   0.055
10 H 0.214 -0.016   0.010
11 H 0.208 -0.030   0.004
12 C 0.072 0.161   0.229
13 C -0.482 -0.624   -0.725
14 H 0.211 0.201   0.233
15 H 0.211 0.213   0.251


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.323 0.332 0.118 0.478
CHELPG        
AIM        
ESP -0.290 0.347 0.115 0.467


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.479 0.557 -0.992
y 0.557 -32.836 0.190
z -0.992 0.190 -35.142
Traceless
 xyz
x 0.511 0.557 -0.992
y 0.557 1.474 0.190
z -0.992 0.190 -1.985
Polar
3z2-r2-3.970
x2-y2-0.643
xy0.557
xz-0.992
yz0.190


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.045 -1.045 -0.625
y -1.045 8.762 0.400
z -0.625 0.400 6.347


<r2> (average value of r2) Å2
<r2> 143.380
(<r2>)1/2 11.974