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

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-235.250204
Energy at 298.15K-235.262471
HF Energy-234.206848
Nuclear repulsion energy230.142440
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 QCISD/6-31G(2df,p)
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 3198 3030 45.75      
2 A 3182 3014 6.59      
3 A 3169 3002 10.03      
4 A 3158 2992 29.98      
5 A 3155 2989 44.64      
6 A 3135 2970 14.88      
7 A 3134 2969 14.72      
8 A 3113 2949 4.37      
9 A 3078 2916 24.53      
10 A 3078 2916 19.57      
11 A 3077 2916 28.91      
12 A 3065 2904 12.95      
13 A 1762 1669 1.19      
14 A 1542 1461 4.52      
15 A 1531 1451 5.73      
16 A 1531 1450 3.40      
17 A 1525 1445 0.36      
18 A 1518 1438 3.89      
19 A 1515 1435 0.51      
20 A 1464 1387 6.54      
21 A 1444 1368 1.93      
22 A 1435 1360 3.28      
23 A 1408 1334 0.35      
24 A 1346 1276 0.05      
25 A 1319 1250 3.53      
26 A 1314 1245 1.84      
27 A 1276 1209 0.05      
28 A 1188 1126 0.39      
29 A 1136 1076 0.78      
30 A 1083 1026 1.85      
31 A 1078 1022 0.91      
32 A 1077 1021 0.44      
33 A 1025 971 0.96      
34 A 1020 966 3.55      
35 A 931 882 2.93      
36 A 914 866 4.29      
37 A 883 836 3.20      
38 A 756 716 1.89      
39 A 734 696 23.74      
40 A 569 539 6.13      
41 A 477 452 0.65      
42 A 367 348 0.02      
43 A 294 278 0.04      
44 A 247 234 0.00      
45 A 201 190 0.01      
46 A 120 114 0.21      
47 A 92 87 0.00      
48 A 42 40 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 36851.7 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 34913.3 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 QCISD/6-31G(2df,p)
ABC
0.27869 0.05002 0.04606

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.463 0.957 -0.065
C2 1.991 -0.469 -0.148
C3 0.772 -0.944 0.128
C4 -0.443 -0.173 0.571
C5 -1.568 -0.222 -0.473
C6 -2.830 0.503 -0.004
H7 1.674 1.647 0.235
H8 3.284 1.051 0.653
H9 2.851 1.289 -1.033
H10 2.745 -1.183 -0.470
H11 0.610 -2.013 0.004
H12 -0.194 0.870 0.786
H13 -0.816 -0.601 1.510
H14 -1.206 0.220 -1.407
H15 -1.805 -1.268 -0.699
H16 -3.619 0.461 -0.758
H17 -3.220 0.056 0.915
H18 -2.621 1.557 0.204

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.50482.55173.18204.21975.31261.09011.09471.09462.19633.50142.79193.95793.97594.85466.14145.83715.1266
C21.50481.33692.55453.58184.91962.17402.15042.14841.08762.07662.72753.26273.50433.91745.71885.34385.0495
C32.55171.33691.50502.52113.88362.74593.25033.26472.07611.08852.15752.13252.76132.72534.69444.18954.2156
C43.18202.55451.50501.53582.54672.81223.92323.94443.50252.19441.09311.09752.15652.16043.50122.80792.8060
C54.21973.58182.52111.53581.52943.80905.14094.70354.41892.85962.15962.15381.09511.09582.18072.17562.1757
C65.31264.91963.88362.54671.52944.65326.17325.82635.84324.26192.77542.75032.16442.16151.09281.09391.0939
H71.09012.17402.74592.81223.80904.65321.76691.76633.10723.81892.09793.58993.60954.63415.51475.19154.2966
H81.09472.15043.25033.92325.14096.17321.76691.75742.55744.11793.48574.50315.00955.75327.07036.58495.9439
H91.09462.14843.26473.94444.70355.82631.76631.75742.53794.12333.57204.84674.21205.32216.52826.49405.6165
H102.19631.08762.07613.50254.41895.84323.10722.55742.53792.33943.79914.11624.29694.55666.57956.24816.0631
H113.50142.07661.08852.19442.85964.26193.81894.11794.12332.33943.09332.50873.20602.62304.95854.44734.8193
H122.79192.72752.15751.09312.15962.77542.09793.48573.57203.79913.09331.75362.50093.06073.77883.13592.5885
H133.95793.26272.13251.09752.15382.75033.58994.50314.84674.11622.50871.75363.05522.50973.75862.56183.1018
H143.97593.50432.76132.15651.09512.16443.60955.00954.21204.29693.20602.50093.05521.75372.50983.07792.5265
H154.85463.91742.72532.16041.09582.16154.63415.75325.32214.55662.62303.06072.50971.75372.50712.52193.0762
H166.14145.71884.69443.50122.18071.09285.51477.07036.52826.57954.95853.77883.75862.50982.50711.76741.7670
H175.83715.34384.18952.80792.17561.09395.19156.58496.49406.24814.44733.13592.56183.07792.52191.76741.7658
H185.12665.04954.21562.80602.17571.09394.29665.94395.61656.06314.81932.58853.10182.52653.07621.76701.7658

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 127.688 C1 C2 H10 114.870
C2 C1 H7 112.837 C2 C1 H8 110.648
C2 C1 H9 110.493 C2 C3 C4 127.928
C2 C3 H11 117.423 C3 C2 H10 117.442
C3 C4 C5 112.009 C3 C4 H12 111.295
C3 C4 H13 109.052 C4 C3 H11 114.635
C4 C5 C6 112.375 C4 C5 H14 108.957
C4 C5 H15 109.219 C5 C4 H12 109.314
C5 C4 H13 108.617 C5 C6 H16 111.445
C5 C6 H17 110.969 C5 C6 H18 110.975
C6 C5 H14 110.016 C6 C5 H15 109.742
H7 C1 H8 107.945 H7 C1 H9 107.894
H8 C1 H9 106.786 H12 C4 H13 106.362
H14 C5 H16 94.139 H16 C6 H17 107.850
H16 C6 H18 107.812 H17 C6 H18 107.627
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability