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

using model chemistry: MP2/6-311G**

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 MP2/6-311G**
Rotational Constants (cm-1) from geometry optimized at MP2/6-311G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-235.131292
Energy at 298.15K-235.143503
HF Energy-234.234699
Nuclear repulsion energy230.927408
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 MP2/6-311G**
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 3192 3033 51.78      
2 A 3178 3020 6.23      
3 A 3162 3005 16.58      
4 A 3160 3003 32.18      
5 A 3157 3000 40.80      
6 A 3138 2981 17.31      
7 A 3133 2977 16.12      
8 A 3113 2958 1.73      
9 A 3074 2921 48.07      
10 A 3070 2917 17.04      
11 A 3068 2915 26.36      
12 A 3063 2911 10.08      
13 A 1718 1633 1.79      
14 A 1527 1451 6.91      
15 A 1520 1444 7.64      
16 A 1518 1443 5.31      
17 A 1509 1433 0.12      
18 A 1502 1427 5.50      
19 A 1500 1425 1.07      
20 A 1445 1373 7.26      
21 A 1426 1355 3.15      
22 A 1412 1342 3.51      
23 A 1389 1320 0.19      
24 A 1338 1272 0.10      
25 A 1300 1235 1.53      
26 A 1297 1232 1.15      
27 A 1266 1203 0.11      
28 A 1180 1122 0.23      
29 A 1129 1073 1.67      
30 A 1084 1030 1.46      
31 A 1070 1016 0.62      
32 A 1067 1014 1.92      
33 A 1020 969 4.50      
34 A 977 929 0.17      
35 A 932 885 2.65      
36 A 911 865 4.94      
37 A 879 836 2.81      
38 A 753 716 1.27      
39 A 719 683 35.07      
40 A 568 539 5.82      
41 A 472 449 1.10      
42 A 361 343 0.01      
43 A 295 280 0.05      
44 A 244 232 0.01      
45 A 200 190 0.02      
46 A 116 110 0.26      
47 A 90 86 0.01      
48 A 32 31 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 36635.1 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 34810.7 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 MP2/6-311G**
ABC
0.26177 0.05205 0.04753

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.359 1.012 -0.011
C2 1.981 -0.432 -0.184
C3 0.790 -0.996 0.088
C4 -0.444 -0.305 0.594
C5 -1.502 -0.139 -0.506
C6 -2.790 0.502 0.013
H7 1.524 1.623 0.337
H8 3.178 1.113 0.710
H9 2.712 1.430 -0.960
H10 2.767 -1.082 -0.569
H11 0.683 -2.063 -0.110
H12 -0.203 0.679 1.011
H13 -0.877 -0.895 1.413
H14 -1.076 0.471 -1.312
H15 -1.724 -1.121 -0.941
H16 -3.528 0.619 -0.785
H17 -3.237 -0.113 0.801
H18 -2.586 1.492 0.434

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.50292.54993.15494.05935.17371.09141.09571.09542.20473.50322.77844.01673.71304.69915.95085.76514.9884
C21.50291.34502.54973.51054.86522.16892.14922.14571.08952.08532.72653.30643.38173.84335.64095.31964.9946
C32.54991.34501.50272.51893.88152.73123.24603.26712.08421.09042.15542.13232.75622.71914.69284.18434.2088
C43.15492.54971.50271.53592.54772.76643.89123.92163.50182.20431.09501.09832.15272.15893.50292.80732.8007
C54.05933.51052.51891.53591.52873.60144.99524.51924.37222.93892.15832.15501.09641.09692.18092.17212.1721
C65.17374.86523.88152.54771.52874.46846.03945.66325.80664.31912.77792.75062.16592.16341.09401.09481.0949
H71.09142.16892.73122.76643.60144.46841.77121.76873.11113.80692.08073.64183.28694.43925.27155.08854.1134
H81.09572.14923.24603.89124.99526.03941.77121.76222.57294.12113.42264.57964.75395.63416.88896.53185.7838
H91.09542.14573.26713.92164.51925.66321.76871.76222.54224.12743.59794.89013.92335.11666.29486.39265.4787
H102.20471.08952.08423.50184.37225.80663.11112.57292.54222.34813.79694.15204.21074.50566.52416.23356.0236
H113.50322.08531.09042.20432.93894.31913.80694.12114.12742.34813.09232.47383.31082.71475.03854.47234.8606
H122.77842.72652.15541.09502.15832.77792.08073.42263.59793.79693.09231.75852.49033.05973.77983.14232.5834
H134.01673.30642.13231.09832.15502.75063.64184.57964.89014.15202.47381.75853.05402.51093.76162.55993.0944
H143.71303.38172.75622.15271.09642.16593.28694.75393.92334.21073.31082.49033.05401.75842.51213.07772.5239
H154.69913.84332.71912.15891.09692.16344.43925.63415.11664.50562.71473.05972.51091.75842.51192.51803.0762
H165.95085.64094.69283.50292.18091.09405.27156.88896.29486.52415.03853.77983.76162.51212.51191.77121.7708
H175.76515.31964.18432.80732.17211.09485.08856.53186.39266.23354.47233.14232.55993.07772.51801.77121.7700
H184.98844.99464.20882.80072.17211.09494.11345.78385.47876.02364.86062.58343.09442.52393.07621.77081.7700

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 127.023 C1 C2 H10 115.600
C2 C1 H7 112.475 C2 C1 H8 110.622
C2 C1 H9 110.354 C2 C3 C4 127.020
C2 C3 H11 117.413 C3 C2 H10 117.376
C3 C4 C5 111.987 C3 C4 H12 111.182
C3 C4 H13 109.144 C4 C3 H11 115.526
C4 C5 C6 112.476 C4 C5 H14 108.586
C4 C5 H15 109.027 C5 C4 H12 109.100
C5 C4 H13 108.651 C5 C6 H16 111.443
C5 C6 H17 110.688 C5 C6 H18 110.681
C6 C5 H14 110.106 C6 C5 H15 109.874
H7 C1 H8 108.161 H7 C1 H9 107.959
H8 C1 H9 107.074 H12 C4 H13 106.600
H14 C5 H16 94.223 H16 C6 H17 108.034
H16 C6 H18 107.995 H17 C6 H18 107.866
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability