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All results from a given calculation for C6H12 ((E)-2-Hexene)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Vibrational Frequencies calculated at B3LYP/3-21G
Rotational Constants (cm-1) from geometry optimized at B3LYP/3-21G
See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-234.575645
Energy at 298.15K-234.587924
HF Energy-234.575645
Nuclear repulsion energy225.637695
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 B3LYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3142 3032 52.92      
2 A 3128 3018 9.19      
3 A 3113 3004 50.37      
4 A 3110 3001 24.71      
5 A 3110 3001 21.48      
6 A 3085 2977 4.08      
7 A 3074 2966 23.54      
8 A 3066 2958 8.64      
9 A 3047 2940 28.15      
10 A 3044 2937 21.23      
11 A 3033 2926 30.24      
12 A 3024 2918 20.29      
13 A 1741 1680 0.32      
14 A 1572 1517 6.73      
15 A 1567 1512 7.39      
16 A 1559 1505 9.93      
17 A 1556 1502 1.97      
18 A 1551 1496 7.94      
19 A 1540 1486 2.27      
20 A 1464 1412 2.69      
21 A 1461 1410 4.73      
22 A 1397 1347 1.65      
23 A 1386 1337 0.40      
24 A 1375 1327 0.56      
25 A 1358 1311 0.06      
26 A 1337 1290 1.74      
27 A 1293 1248 0.03      
28 A 1199 1157 0.03      
29 A 1134 1094 3.19      
30 A 1107 1068 0.38      
31 A 1096 1057 6.05      
32 A 1058 1021 8.88      
33 A 1018 982 34.45      
34 A 1013 977 2.05      
35 A 950 916 3.17      
36 A 910 878 2.74      
37 A 887 856 1.65      
38 A 796 768 1.39      
39 A 764 737 3.62      
40 A 546 527 0.23      
41 A 392 378 1.35      
42 A 316 305 0.72      
43 A 292 282 1.31      
44 A 247 239 0.05      
45 A 205 198 1.02      
46 A 149 144 0.40      
47 A 93 90 0.08      
48 A 75 72 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 36687.6 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 35399.8 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 B3LYP/3-21G
ABC
0.48006 0.04015 0.03969

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 3.182 0.242 -0.153
C2 1.792 -0.340 -0.262
C3 0.748 0.037 0.477
C4 -0.648 -0.527 0.352
C5 -1.667 0.542 -0.128
C6 -3.101 -0.021 -0.212
H7 3.222 1.023 0.614
H8 3.914 -0.535 0.108
H9 3.501 0.680 -1.108
H10 1.661 -1.126 -1.006
H11 0.876 0.825 1.220
H12 -0.984 -0.913 1.325
H13 -0.649 -1.367 -0.354
H14 -1.350 0.912 -1.111
H15 -1.644 1.395 0.563
H16 -3.806 0.746 -0.553
H17 -3.144 -0.863 -0.913
H18 -3.432 -0.378 0.771

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.51062.52253.93944.85836.28911.09501.09821.09822.21652.74684.56954.16054.68055.01327.01766.46696.7074
C21.51061.33362.52373.57244.90412.16042.16232.16221.09002.09623.24952.65063.48733.93675.70995.00665.3259
C32.52251.33361.51112.54043.91082.66643.23783.24102.09371.09072.15052.14822.77292.75214.72264.22984.2113
C43.93942.52371.51111.55262.56704.17704.56864.56122.74492.21441.10011.09762.16822.17473.52252.81802.8192
C54.85833.57242.54041.55261.54324.96795.68845.26173.82432.89172.16752.17551.09651.09792.19042.18462.1846
C66.28914.90413.91082.56701.54326.46147.04106.69944.95264.31052.76412.80092.17832.17451.09561.09651.0965
H71.09502.16042.66644.17704.96796.46141.77751.77783.11072.43134.68484.65134.88754.88017.12946.81266.8018
H81.09822.16233.23784.56865.68847.04101.77751.76762.58203.50925.06134.66145.59335.90067.85307.13907.3776
H91.09822.16223.24104.56125.26176.69941.77781.76762.58003.51205.34594.68874.85655.45647.32826.82477.2609
H102.21651.09002.09372.74493.82434.95263.11072.58202.58003.06223.53232.41253.63704.44255.79574.81315.4457
H112.74682.09621.09072.21442.89174.31052.43133.50923.51203.06222.54813.09993.22402.66555.00694.85354.4954
H124.56953.24952.15051.10012.16752.76414.68485.06135.34593.53232.54811.77163.06602.51923.77393.11062.5665
H134.16052.65062.14821.09762.17552.80094.65134.66144.68872.41253.09991.77162.50173.07583.80362.60603.1605
H144.68053.48732.77292.16821.09652.17834.88755.59334.85653.63703.22403.06602.50171.76652.52392.53153.0887
H155.01323.93672.75212.17471.09792.17454.88015.90065.45644.44252.66552.51923.07581.76652.51853.08652.5272
H167.01765.70994.72263.52252.19041.09567.12947.85307.32825.79575.00693.77393.80362.52392.51851.77581.7762
H176.46695.00664.22982.81802.18461.09656.81267.13906.82474.81314.85353.11062.60602.53153.08651.77581.7752
H186.70745.32594.21132.81922.18461.09656.80187.37767.26095.44574.49542.56653.16053.08872.52721.77621.7752

picture of (E)-2-Hexene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.854 C1 C2 H10 115.978
C2 C1 H7 111.012 C2 C1 H8 110.969
C2 C1 H9 110.959 C2 C3 C4 124.916
C2 C3 H11 119.352 C3 C2 H10 119.167
C3 C4 C5 112.027 C3 C4 H12 109.882
C3 C4 H13 109.854 C4 C3 H11 115.716
C4 C5 C6 112.036 C4 C5 H14 108.642
C4 C5 H15 109.059 C5 C4 H12 108.380
C5 C4 H13 109.142 C5 C6 H16 111.075
C5 C6 H17 110.566 C5 C6 H18 110.563
C6 C5 H14 110.064 C6 C5 H15 109.692
H7 C1 H8 108.277 H7 C1 H9 108.307
H8 C1 H9 107.176 H12 C4 H13 107.434
H14 C5 H15 107.218 H16 C6 H17 108.205
H16 C6 H18 108.239 H17 C6 H18 108.091
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.599      
2 C -0.167      
3 C -0.145      
4 C -0.418      
5 C -0.368      
6 C -0.553      
7 H 0.194      
8 H 0.199      
9 H 0.199      
10 H 0.172      
11 H 0.169      
12 H 0.193      
13 H 0.188      
14 H 0.194      
15 H 0.185      
16 H 0.186      
17 H 0.186      
18 H 0.185      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.024 0.056 -0.061 0.086
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.563 0.212 -0.708
y 0.212 -40.051 1.329
z -0.708 1.329 -39.648
Traceless
 xyz
x 1.287 0.212 -0.708
y 0.212 -0.946 1.329
z -0.708 1.329 -0.341
Polar
3z2-r2-0.682
x2-y21.488
xy0.212
xz-0.708
yz1.329


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.457 -0.088 -1.023
y -0.088 7.444 0.747
z -1.023 0.747 7.692


<r2> (average value of r2) Å2
<r2> 295.914
(<r2>)1/2 17.202