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

using model chemistry: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-196.474517
Energy at 298.15K-196.484674
HF Energy-196.474517
Nuclear repulsion energy 
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 wB97X-D/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 3261 3093 20.46      
2 A 3180 3016 10.20      
3 A 3162 2999 20.14      
4 A 3155 2993 43.20      
5 A 3152 2989 34.40      
6 A 3121 2960 24.70      
7 A 3108 2948 14.56      
8 A 3073 2915 28.00      
9 A 3060 2903 26.29      
10 A 3048 2891 30.42      
11 A 1772 1681 15.65      
12 A 1547 1468 4.50      
13 A 1538 1459 6.85      
14 A 1535 1456 8.91      
15 A 1526 1447 9.06      
16 A 1513 1435 6.46      
17 A 1484 1407 0.41      
18 A 1453 1378 5.83      
19 A 1443 1369 3.50      
20 A 1390 1318 1.43      
21 A 1339 1270 1.66      
22 A 1299 1232 1.61      
23 A 1143 1084 0.23      
24 A 1117 1059 6.30      
25 A 1072 1017 1.35      
26 A 1045 991 0.89      
27 A 1022 969 0.82      
28 A 962 913 1.28      
29 A 929 881 46.36      
30 A 821 779 1.88      
31 A 791 750 1.25      
32 A 724 686 0.22      
33 A 543 515 5.89      
34 A 445 422 1.74      
35 A 410 389 0.59      
36 A 262 249 0.14      
37 A 225 213 0.44      
38 A 171 162 0.35      
39 A 75 71 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 30456.1 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 28887.6 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 wB97X-D/6-31G*
ABC
0.24155 0.12522 0.09501

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.967 1.338 0.027
H2 0.341 1.877 -0.695
H3 2.012 1.466 -0.270
H4 0.823 1.825 1.000
C5 -1.899 0.075 -0.400
H6 -1.866 1.163 -0.520
H7 -2.896 -0.188 -0.032
H8 -1.767 -0.379 -1.388
C9 -0.819 -0.420 0.570
H10 -0.930 -1.500 0.717
H11 -0.979 0.052 1.549
C12 0.587 -0.120 0.102
C13 1.439 -1.090 -0.234
H14 1.160 -2.140 -0.178
H15 2.448 -0.874 -0.578

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 C13 H14 H15
C11.09691.09381.09743.16102.89074.15433.52482.56453.48352.78511.50832.48723.48962.7298
H21.09691.77261.76252.88972.32603.89653.16402.86753.87513.17912.16343.19654.13203.4667
H31.09381.77261.77624.15303.89795.18494.35123.50384.29323.77522.16392.61943.70622.3997
H41.09741.76251.77623.52593.15904.35344.15532.81493.77052.58712.15533.22514.15053.5237
C53.16102.88974.15303.52591.09531.09511.09511.53422.16072.15562.54343.53913.78374.4528
H62.89072.32603.89793.15901.09531.76811.77202.18953.08262.51092.83714.00994.49314.7710
H74.15433.89655.18494.35341.09511.76811.77462.17542.47942.49703.48634.43244.50415.4155
H83.52483.16404.35124.15531.09511.77201.77462.17602.52773.07142.79763.48043.62444.3204
C92.56452.86753.50382.81491.53422.18952.17542.17601.09571.09901.51192.48842.72653.4923
H103.48353.87514.29323.77052.16073.08262.47942.52771.09571.76242.14202.58602.36273.6722
H112.78513.17913.77522.58712.15562.51092.49703.07141.09901.76242.13933.21423.51664.1385
C121.50832.16342.16392.15532.54342.83713.48632.79761.51192.14202.13931.33432.11892.1201
C132.48723.19652.61943.22513.53914.00994.43243.48042.48842.58603.21421.33431.08801.0878
H143.48964.13203.70624.15053.78374.49314.50413.62442.72652.36273.51662.11891.08801.8498
H152.72983.46672.39973.52374.45284.77105.41554.32043.49233.67224.13852.12011.08781.8498

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 116.233 C1 C12 C13 121.967
H2 C1 H3 108.022 H2 C1 H4 106.876
H2 C1 C12 111.303 H3 C1 H4 108.308
H3 C1 C12 111.530 H4 C1 C12 110.624
C5 C9 H10 109.353 C5 C9 H11 108.778
C5 C9 C12 113.229 H6 C5 H7 107.654
H6 C5 H8 107.995 H6 C5 C9 111.665
H7 C5 H8 108.248 H7 C5 C9 110.555
H8 C5 C9 110.595 C9 C12 C13 121.799
H10 C9 H11 106.838 H10 C9 C12 109.422
H11 C9 C12 109.019 C12 C13 H14 121.707
C12 C13 H15 121.836 H14 C13 H15 116.457
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.557      
2 H 0.175      
3 H 0.174      
4 H 0.169      
5 C -0.498      
6 H 0.162      
7 H 0.167      
8 H 0.171      
9 C -0.358      
10 H 0.162      
11 H 0.160      
12 C 0.209      
13 C -0.443      
14 H 0.154      
15 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.348 0.348 0.096 0.502
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.474 0.551 -0.830
y 0.551 -31.945 0.158
z -0.830 0.158 -33.953
Traceless
 xyz
x 0.475 0.551 -0.830
y 0.551 1.268 0.158
z -0.830 0.158 -1.744
Polar
3z2-r2-3.487
x2-y2-0.529
xy0.551
xz-0.830
yz0.158


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.927 -0.863 -0.732
y -0.863 8.573 0.367
z -0.732 0.367 5.959


<r2> (average value of r2) Å2
<r2> 142.869
(<r2>)1/2 11.953