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

using model chemistry: QCISD/6-31+G**

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

Conformer 2 (C1)

Jump to S1C1
Energy calculated at QCISD/6-31+G**
 hartrees
Energy at 0K-235.137406
Energy at 298.15K-235.149626
HF Energy-234.199420
Nuclear repulsion energy229.900282
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/6-31+G**
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 3215 3039 60.99      
2 A 3197 3023 9.84      
3 A 3186 3012 14.60      
4 A 3170 2997 42.26      
5 A 3166 2993 65.00      
6 A 3150 2978 22.05      
7 A 3146 2974 14.52      
8 A 3122 2952 6.52      
9 A 3091 2922 28.38      
10 A 3087 2919 18.33      
11 A 3085 2917 60.84      
12 A 3074 2907 15.67      
13 A 1758 1662 3.04      
14 A 1553 1468 6.08      
15 A 1545 1460 4.25      
16 A 1544 1460 6.50      
17 A 1538 1454 0.20      
18 A 1531 1448 1.04      
19 A 1527 1444 4.12      
20 A 1481 1400 6.71      
21 A 1462 1382 2.53      
22 A 1452 1373 2.84      
23 A 1424 1346 0.40      
24 A 1351 1277 0.10      
25 A 1331 1258 4.31      
26 A 1323 1251 0.73      
27 A 1286 1216 0.19      
28 A 1198 1133 0.18      
29 A 1144 1082 1.15      
30 A 1090 1031 2.79      
31 A 1088 1029 0.38      
32 A 1083 1024 3.19      
33 A 1027 971 3.56      
34 A 996 941 0.29      
35 A 936 885 2.67      
36 A 921 870 3.62      
37 A 890 842 3.40      
38 A 758 717 1.82      
39 A 723 684 36.33      
40 A 572 540 4.90      
41 A 469 444 0.85      
42 A 368 348 0.00      
43 A 293 277 0.04      
44 A 244 231 0.00      
45 A 200 189 0.01      
46 A 102 96 0.35      
47 A 90 85 0.01      
48 A 39 37 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 37013.7 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 34992.8 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/6-31+G**
ABC
0.27828 0.04985 0.04588

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.467 0.960 -0.064
C2 1.998 -0.468 -0.148
C3 0.772 -0.948 0.126
C4 -0.443 -0.175 0.568
C5 -1.573 -0.222 -0.470
C6 -2.834 0.505 -0.003
H7 1.671 1.646 0.223
H8 3.275 1.057 0.665
H9 2.864 1.288 -1.028
H10 2.753 -1.183 -0.468
H11 0.615 -2.017 0.003
H12 -0.190 0.867 0.778
H13 -0.813 -0.599 1.509
H14 -1.213 0.220 -1.404
H15 -1.812 -1.267 -0.693
H16 -3.622 0.459 -0.758
H17 -3.223 0.059 0.916
H18 -2.624 1.558 0.200

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.50602.55943.18694.22905.32121.08891.09321.09302.19913.50702.78913.95813.98564.86456.14855.84365.1332
C21.50601.34502.56123.59414.93172.17122.14952.14711.08682.08182.72623.26623.51613.93055.72835.35455.0593
C32.55941.34501.50652.52623.89002.74663.25223.27262.08121.08782.15532.13212.76552.72914.69734.19484.2214
C43.18692.56121.50651.53542.55062.81103.91833.95283.50742.19881.09241.09672.15402.15823.50182.81122.8100
C54.22903.59412.52621.53541.52903.80675.14124.71994.43102.86942.15772.15371.09441.09502.17792.17332.1732
C65.32124.93173.89002.55061.52904.65296.17095.84245.85484.27302.78052.75522.16192.15941.09181.09281.0929
H71.08892.17122.74662.81103.80674.65291.76551.76503.10573.81832.09253.58693.60474.63155.51195.19124.2963
H81.09322.14953.25223.91835.14126.17091.76551.75842.56374.11903.47284.49115.01285.75547.06776.57925.9394
H91.09302.14713.27263.95284.71995.84241.76501.75842.53624.12863.57314.84994.23105.33876.54396.50695.6303
H102.19911.08682.08123.50744.43105.85483.10572.56372.53622.34243.79674.11864.30964.57066.58876.25816.0720
H113.50702.08181.08782.19882.86944.27303.81834.11904.12862.34243.09352.51403.21362.63344.96564.45814.8285
H122.78912.72622.15531.09242.15772.78052.09253.47283.57313.79673.09351.75322.49503.05753.78133.14142.5954
H133.95813.26622.13211.09672.15372.75523.58694.49114.84994.11862.51401.75323.05302.50893.76132.56763.1066
H143.98563.51612.76552.15401.09442.16193.60475.01284.23104.30963.21362.49503.05301.75422.50533.07412.5206
H154.86453.93052.72912.15821.09502.15944.63155.75545.33874.57062.63343.05752.50891.75422.50202.51813.0725
H166.14855.72834.69733.50182.17791.09185.51197.06776.54396.58874.96563.78133.76132.50532.50201.76661.7662
H175.84365.35454.19482.81122.17331.09285.19126.57926.50696.25814.45813.14142.56763.07412.51811.76661.7661
H185.13325.05934.22142.81002.17321.09294.29635.93945.63036.07204.82852.59543.10662.52063.07251.76621.7661

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 127.627 C1 C2 H10 115.066
C2 C1 H7 112.599 C2 C1 H8 110.575
C2 C1 H9 110.389 C2 C3 C4 127.755
C2 C3 H11 117.295 C3 C2 H10 117.307
C3 C4 C5 112.290 C3 C4 H12 111.055
C3 C4 H13 108.959 C4 C3 H11 114.939
C4 C5 C6 112.683 C4 C5 H14 108.824
C4 C5 H15 109.121 C5 C4 H12 109.235
C5 C4 H13 108.674 C5 C6 H16 111.314
C5 C6 H17 110.882 C5 C6 H18 110.871
C6 C5 H14 109.882 C6 C5 H15 109.650
H7 C1 H8 108.014 H7 C1 H9 107.977
H8 C1 H9 107.084 H12 C4 H13 106.431
H14 C5 H16 94.036 H16 C6 H17 107.933
H16 C6 H18 107.891 H17 C6 H18 107.805
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability