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

using model chemistry: MP2=FULL/STO-3G

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 MP2=FULL/STO-3G
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/STO-3G
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/STO-3G
 hartrees
Energy at 0K-231.738237
Energy at 298.15K-231.750133
HF Energy-231.400018
Nuclear repulsion energy222.845274
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 MP2=FULL/STO-3G
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 3554 3159 4.94      
2 A 3553 3158 3.46      
3 A 3551 3156 2.02      
4 A 3528 3136 2.38      
5 A 3519 3128 6.28      
6 A 3505 3116 0.99      
7 A 3498 3110 0.94      
8 A 3491 3103 9.95      
9 A 3405 3026 6.75      
10 A 3390 3013 3.57      
11 A 3373 2998 3.90      
12 A 3362 2989 3.66      
13 A 1857 1650 0.25      
14 A 1745 1551 0.31      
15 A 1737 1544 1.42      
16 A 1730 1538 1.65      
17 A 1725 1533 0.11      
18 A 1723 1532 1.67      
19 A 1707 1518 0.78      
20 A 1625 1444 0.69      
21 A 1615 1436 5.00      
22 A 1577 1402 1.55      
23 A 1485 1320 1.33      
24 A 1471 1307 1.16      
25 A 1442 1281 5.39      
26 A 1429 1270 16.11      
27 A 1396 1241 5.07      
28 A 1297 1153 0.09      
29 A 1239 1101 0.47      
30 A 1197 1064 0.23      
31 A 1183 1052 0.04      
32 A 1171 1041 1.06      
33 A 1144 1017 0.97      
34 A 1114 991 8.76      
35 A 1022 908 1.65      
36 A 1004 892 1.42      
37 A 961 854 0.32      
38 A 822 731 1.90      
39 A 799 710 1.02      
40 A 557 495 0.13      
41 A 401 357 0.49      
42 A 325 289 0.28      
43 A 290 258 0.42      
44 A 240 213 0.00      
45 A 183 163 0.27      
46 A 144 128 0.09      
47 A 90 80 0.01      
48 A 71 63 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 40622.1 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 36109.0 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 MP2=FULL/STO-3G
ABC
0.47277 0.03902 0.03858

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 3.232 0.226 -0.169
C2 1.816 -0.368 -0.242
C3 0.762 0.090 0.468
C4 -0.659 -0.499 0.389
C5 -1.699 0.541 -0.155
C6 -3.142 -0.048 -0.214
H7 3.264 1.075 0.535
H8 3.961 -0.533 0.168
H9 3.559 0.584 -1.162
H10 1.682 -1.225 -0.922
H11 0.896 0.949 1.146
H12 -0.981 -0.831 1.396
H13 -0.653 -1.390 -0.268
H14 -1.393 0.869 -1.166
H15 -1.694 1.436 0.496
H16 -3.853 0.702 -0.598
H17 -3.177 -0.929 -0.878
H18 -3.477 -0.361 0.789

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.53702.55433.99664.94086.37931.10331.10551.10552.25322.77634.61684.20854.77495.11517.11416.55016.8023
C21.53701.35132.55733.63214.96832.18732.18962.18941.10222.12343.27432.67233.56224.01495.78115.06455.3929
C32.55431.35131.54022.57833.96512.69023.27323.27542.12331.10242.17892.17602.81492.80014.77644.28534.2750
C43.99662.55731.54021.56812.59444.22994.62524.62282.77862.25591.10861.10672.19772.19703.55302.85122.8500
C54.94083.63212.57831.56811.55935.03965.77015.35423.89042.93162.19142.19921.10661.10672.20552.20602.2059
C66.37934.96833.96512.59441.55936.54687.12946.79715.01474.37592.80582.82812.19192.19181.10351.10341.1034
H71.10332.18732.69024.22995.03966.54681.79101.79103.14962.44934.73294.69764.96304.97127.21726.89216.8975
H81.10552.18963.27324.62525.77017.12941.79101.78282.61953.54255.10124.71295.69355.99677.94867.22487.4660
H91.10552.18943.27544.62285.35426.79711.79101.78282.61893.54345.40024.73714.96095.57397.43526.90967.3630
H102.25321.10222.12332.77863.89045.01473.14962.61952.61893.10183.55192.42973.72854.52585.87004.86745.5032
H112.77632.12341.10242.25592.93164.37592.44933.54253.54343.10182.59903.14183.25532.71405.06584.92064.5791
H124.61683.27432.17891.10862.19142.80584.73295.10125.40023.55192.59901.78563.10262.54083.81813.16272.6112
H134.20852.67232.17601.10672.19922.82814.69764.71294.73712.42973.14181.78562.54193.10713.83842.63743.1865
H144.77493.56222.81492.19771.10662.19194.96305.69354.96093.72853.25533.10262.54191.78202.53042.54863.1113
H155.11514.01492.80012.19701.10672.19184.97125.99675.57394.52582.71402.54083.10711.78202.53003.11132.5486
H167.11415.78114.77643.55302.20551.10357.21727.94867.43525.87005.06583.81813.83842.53042.53001.78801.7881
H176.55015.06454.28532.85122.20601.10346.89217.22486.90964.86744.92063.16272.63742.54863.11131.78801.7872
H186.80235.39294.27502.85002.20591.10346.89757.46607.36305.50324.57912.61123.18653.11132.54861.78811.7872

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 124.222 C1 C2 H10 116.270
C2 C1 H7 110.809 C2 C1 H8 110.861
C2 C1 H9 110.842 C2 C3 C4 124.236
C2 C3 H11 119.510 C3 C2 H10 119.508
C3 C4 C5 112.086 C3 C4 H12 109.620
C3 C4 H13 109.504 C4 C3 H11 116.249
C4 C5 C6 112.107 C4 C5 H14 109.283
C4 C5 H15 109.225 C5 C4 H12 108.689
C5 C4 H13 109.398 C5 C6 H16 110.678
C5 C6 H17 110.721 C5 C6 H18 110.716
C6 C5 H14 109.440 C6 C5 H15 109.424
H7 C1 H8 108.364 H7 C1 H9 108.365
H8 C1 H9 107.483 H12 C4 H13 107.427
H14 C5 H15 107.239 H16 C6 H17 108.226
H16 C6 H18 108.241 H17 C6 H18 108.163
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability