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

using model chemistry: QCISD/6-31G

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at QCISD/6-31G
 hartrees
Energy at 0K-234.707047
Energy at 298.15K-234.719234
HF Energy-234.083071
Nuclear repulsion energy223.656879
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
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 3097 2985 53.77      
2 A 3084 2972 28.70      
3 A 3075 2963 44.09      
4 A 3071 2959 53.32      
5 A 3069 2958 18.01      
6 A 3054 2943 32.63      
7 A 3034 2923 25.89      
8 A 3008 2898 7.04      
9 A 3000 2890 24.91      
10 A 2995 2886 40.98      
11 A 2993 2884 38.29      
12 A 2973 2864 24.84      
13 A 1731 1668 0.28      
14 A 1559 1503 4.85      
15 A 1551 1495 2.50      
16 A 1550 1494 9.74      
17 A 1547 1490 0.97      
18 A 1538 1482 1.01      
19 A 1533 1477 5.95      
20 A 1474 1420 2.81      
21 A 1468 1414 2.55      
22 A 1421 1369 0.71      
23 A 1384 1334 0.54      
24 A 1364 1315 0.40      
25 A 1348 1299 1.06      
26 A 1340 1292 1.86      
27 A 1296 1249 0.05      
28 A 1207 1163 0.04      
29 A 1140 1099 0.93      
30 A 1107 1067 0.38      
31 A 1103 1062 0.17      
32 A 1083 1043 5.98      
33 A 1043 1005 0.75      
34 A 993 957 32.83      
35 A 950 916 1.85      
36 A 911 878 1.98      
37 A 895 863 0.53      
38 A 781 752 0.62      
39 A 752 724 1.75      
40 A 540 520 0.11      
41 A 387 373 1.07      
42 A 314 303 0.55      
43 A 286 276 1.07      
44 A 240 232 0.01      
45 A 189 182 0.59      
46 A 142 137 0.24      
47 A 91 87 0.02      
48 A 73 70 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 36391.1 cm-1
Scaled (by 0.9636) Zero Point Vibrational Energy (zpe) 35066.5 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
ABC
0.48355 0.03919 0.03874

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 3.223 0.219 -0.168
C2 1.822 -0.372 -0.226
C3 0.752 0.104 0.454
C4 -0.653 -0.479 0.387
C5 -1.701 0.531 -0.164
C6 -3.134 -0.056 -0.206
H7 3.249 1.095 0.502
H8 3.955 -0.519 0.206
H9 3.563 0.542 -1.168
H10 1.697 -1.251 -0.874
H11 0.874 0.985 1.101
H12 -0.973 -0.810 1.395
H13 -0.646 -1.381 -0.255
H14 -1.393 0.842 -1.180
H15 -1.689 1.444 0.462
H16 -3.855 0.677 -0.605
H17 -3.170 -0.954 -0.847
H18 -3.467 -0.348 0.806

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.52142.55103.97754.93376.36291.10361.10471.10472.23342.77734.59424.18774.76625.10127.10626.53476.7839
C21.52141.35452.55253.63754.96622.17232.18082.18041.09912.12143.26072.66673.56654.01215.78575.06385.3888
C32.55101.35451.52232.56503.94422.68753.27263.27522.11921.10022.16662.15872.79502.78414.76124.26454.2569
C43.97752.55251.52231.55602.58514.20944.61184.60852.77642.23291.10831.10732.17842.18493.54542.84242.8475
C54.93373.63752.56501.55601.54915.02625.76425.35873.90182.90492.18182.18571.10571.10672.20352.19752.1983
C66.36294.96623.94422.58511.54916.52427.11566.79215.02104.34232.79292.81912.18782.18681.10311.10421.1043
H71.10362.17232.68754.20945.02626.52421.78691.78703.13172.45154.71714.67724.94354.95027.20176.87156.8756
H81.10472.18083.27264.61185.76427.11561.78691.78022.60763.54285.07734.70345.68945.98067.94237.21487.4476
H91.10472.18043.27524.60855.35876.79211.78701.78022.60513.54595.38264.71704.96495.57227.44066.90457.3558
H102.23341.09912.11922.77643.90185.02103.13172.60762.60513.09443.53112.42663.74444.52855.88334.87555.5046
H112.77732.12141.10022.23292.90494.34232.45153.54283.54593.09442.59213.12213.21922.68135.03694.88954.5505
H124.59423.26072.16661.10832.18182.79294.71715.07735.38263.53112.59211.77653.08792.54223.81023.14212.6038
H134.18772.66672.15871.10732.18572.81914.67724.70344.71702.42663.12211.77652.52073.09513.82832.62693.1860
H144.76623.56652.79502.17841.10572.18784.94355.68944.96493.74443.21923.08792.52071.77312.53382.54833.1081
H155.10124.01212.78412.18491.10672.18684.95025.98065.57224.52852.68132.54223.09511.77312.53313.10712.5472
H167.10625.78574.76123.54542.20351.10317.20177.94237.44065.88335.03693.81023.82832.53382.53311.78601.7865
H176.53475.06384.26452.84242.19751.10426.87157.21486.90454.87554.88953.14212.62692.54833.10711.78601.7856
H186.78395.38884.25692.84752.19831.10436.87567.44767.35585.50464.55052.60383.18603.10812.54721.78651.7856

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 124.904 C1 C2 H10 115.988
C2 C1 H7 110.689 C2 C1 H8 111.297
C2 C1 H9 111.268 C2 C3 C4 124.961
C2 C3 H11 119.231 C3 C2 H10 119.107
C3 C4 C5 112.863 C3 C4 H12 109.898
C3 C4 H13 109.341 C4 C3 H11 115.803
C4 C5 C6 112.717 C4 C5 H14 108.673
C4 C5 H15 109.119 C5 C4 H12 108.790
C5 C4 H13 109.142 C5 C6 H16 111.250
C5 C6 H17 110.711 C5 C6 H18 110.768
C6 C5 H14 109.865 C6 C5 H15 109.729
H7 C1 H8 108.033 H7 C1 H9 108.039
H8 C1 H9 107.361 H12 C4 H13 106.610
H14 C5 H15 106.541 H16 C6 H17 108.020
H16 C6 H18 108.060 H17 C6 H18 107.904
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability