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All results from a given calculation for C6H12 ((Z)-hex-2-ene)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

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

Conformer 1 (C1)

Jump to S1C2
Vibrational Frequencies calculated at MP2/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at MP2/6-31G(2df,p)
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-235.177110
Energy at 298.15K-235.189373
HF Energy-234.206661
Nuclear repulsion energy231.055924
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 MP2/6-31G(2df,p)
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 3222 3043 35.35      
2 A 3210 3032 4.91      
3 A 3196 3019 21.54      
4 A 3195 3017 34.71      
5 A 3191 3014 0.86      
6 A 3170 2994 11.39      
7 A 3165 2990 14.68      
8 A 3147 2972 1.35      
9 A 3104 2932 35.26      
10 A 3101 2929 13.53      
11 A 3099 2927 12.86      
12 A 3090 2918 10.24      
13 A 1730 1634 1.35      
14 A 1538 1453 5.14      
15 A 1530 1445 6.58      
16 A 1527 1442 4.72      
17 A 1520 1435 0.17      
18 A 1513 1429 4.73      
19 A 1506 1423 0.53      
20 A 1449 1369 7.58      
21 A 1430 1351 1.90      
22 A 1419 1340 4.23      
23 A 1387 1310 0.36      
24 A 1339 1265 0.02      
25 A 1308 1235 0.48      
26 A 1301 1229 2.98      
27 A 1267 1196 0.08      
28 A 1180 1115 0.63      
29 A 1131 1068 1.51      
30 A 1085 1024 1.36      
31 A 1072 1012 0.76      
32 A 1069 1010 0.69      
33 A 1023 967 5.12      
34 A 1015 959 0.25      
35 A 933 881 3.20      
36 A 913 862 5.45      
37 A 879 830 3.00      
38 A 755 713 1.85      
39 A 734 693 26.40      
40 A 566 534 6.83      
41 A 479 452 0.79      
42 A 365 345 0.03      
43 A 296 280 0.06      
44 A 251 237 0.00      
45 A 201 190 0.02      
46 A 121 115 0.26      
47 A 94 89 0.01      
48 A 40 38 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 36927.2 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 34877.7 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 MP2/6-31G(2df,p)
ABC
0.27147 0.05124 0.04704

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.409 0.979 -0.040
C2 1.980 -0.452 -0.167
C3 0.775 -0.966 0.112
C4 -0.443 -0.234 0.588
C5 -1.531 -0.182 -0.491
C6 -2.802 0.502 0.003
H7 1.605 1.632 0.297
H8 3.239 1.074 0.666
H9 2.769 1.358 -1.000
H10 2.745 -1.136 -0.525
H11 0.637 -2.033 -0.050
H12 -0.199 0.783 0.902
H13 -0.850 -0.742 1.470
H14 -1.135 0.342 -1.366
H15 -1.760 -1.201 -0.820
H16 -3.567 0.537 -0.775
H17 -3.220 -0.027 0.861
H18 -2.595 1.528 0.314

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.49892.54513.16204.13215.23281.08881.09321.09312.19533.49462.77963.98253.83724.76876.03715.78915.0470
C21.49891.33982.54693.53584.87882.16682.14562.14261.08682.07802.72293.28183.43073.86975.66675.31795.0084
C32.54511.33981.49832.50893.86792.73363.24613.25812.07741.08772.15232.12892.74662.71094.67924.17184.1978
C43.16202.54691.49831.53332.53952.78563.90753.92043.49452.19281.09231.09602.15112.15663.49422.79862.7952
C54.13213.53582.50891.53331.52593.70765.06594.59534.38052.88382.15602.15001.09371.09432.17782.16992.1700
C65.23284.87883.86792.53951.52594.55906.10365.72445.80734.27222.76832.74042.16252.15911.09121.09201.0921
H71.08882.16682.73362.78563.70764.55901.76521.76353.10343.80612.08333.61063.45484.53815.39425.13384.2020
H81.09322.14563.24613.90755.06596.10361.76521.75392.55774.11483.45784.54514.87765.68916.97696.55505.8623
H91.09312.14263.25813.92044.59535.72441.76351.75392.53864.11653.57124.85824.05035.20486.39256.42275.5255
H102.19531.08682.07743.49454.38055.80733.10342.55772.53862.33973.79244.12984.23594.51486.53416.22356.0264
H113.49462.07801.08772.19282.88384.27223.80614.11484.11652.33973.08792.48733.24182.65114.97964.44194.8228
H122.77962.72292.15231.09232.15602.76832.08333.45783.57123.79243.08791.75282.49273.05593.77043.12862.5775
H133.98253.28182.12891.09602.15002.74043.61064.54514.85824.12982.48731.75283.04892.50603.74882.54953.0877
H143.83723.43072.74662.15111.09372.16253.45484.87764.05034.23593.24182.49273.04891.75202.51013.07322.5224
H154.76873.86972.71092.15661.09432.15914.53815.68915.20484.51482.65113.05592.50601.75202.50712.51713.0711
H166.03715.66674.67923.49422.17781.09125.39426.97696.39256.53414.97963.77043.74882.51012.50711.76481.7644
H175.78915.31794.17182.79862.16991.09205.13386.55506.42276.22354.44193.12862.54953.07322.51711.76481.7630
H185.04705.00844.19782.79522.17001.09214.20205.86235.52556.02644.82282.57753.08772.52243.07111.76441.7630

picture of (Z)-hex-2-ene state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 127.335 C1 C2 H10 115.285
C2 C1 H7 112.762 C2 C1 H8 110.765
C2 C1 H9 110.535 C2 C3 C4 127.542
C2 C3 H11 117.369 C3 C2 H10 117.380
C3 C4 C5 111.698 C3 C4 H12 111.400
C3 C4 H13 109.310 C4 C3 H11 115.056
C4 C5 C6 112.225 C4 C5 H14 108.788
C4 C5 H15 109.178 C5 C4 H12 109.247
C5 C4 H13 108.566 C5 C6 H16 111.564
C5 C6 H17 110.883 C5 C6 H18 110.886
C6 C5 H14 110.188 C6 C5 H15 109.881
H7 C1 H8 107.992 H7 C1 H9 107.855
H8 C1 H9 106.689 H12 C4 H13 106.445
H14 C5 H16 94.356 H16 C6 H17 107.868
H16 C6 H18 107.832 H17 C6 H18 107.645
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability