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

using model chemistry: B3LYP/CEP-121G*

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 B3LYP/CEP-121G*
Rotational Constants (cm-1) from geometry optimized at B3LYP/CEP-121G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-41.123862
Energy at 298.15K-41.135942
HF Energy-41.123862
Nuclear repulsion energy126.642881
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 B3LYP/CEP-121G*
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 3103 3008 90.45      
2 A 3088 2993 24.31      
3 A 3080 2986 5.32      
4 A 3077 2982 61.35      
5 A 3074 2980 87.81      
6 A 3046 2952 38.41      
7 A 3045 2951 19.19      
8 A 3025 2933 10.91      
9 A 3007 2915 36.13      
10 A 3004 2912 49.84      
11 A 2999 2907 54.88      
12 A 2981 2890 34.40      
13 A 1708 1656 0.62      
14 A 1519 1472 6.07      
15 A 1509 1463 5.58      
16 A 1505 1459 9.84      
17 A 1502 1456 0.70      
18 A 1491 1446 6.18      
19 A 1489 1443 2.39      
20 A 1420 1377 2.13      
21 A 1418 1375 1.86      
22 A 1384 1342 0.96      
23 A 1339 1298 1.02      
24 A 1328 1287 0.35      
25 A 1311 1271 0.09      
26 A 1284 1245 9.31      
27 A 1246 1208 0.80      
28 A 1168 1132 0.04      
29 A 1104 1070 0.45      
30 A 1072 1039 0.95      
31 A 1060 1027 1.71      
32 A 1042 1010 7.44      
33 A 1016 985 1.79      
34 A 994 964 38.34      
35 A 915 887 4.22      
36 A 888 860 2.40      
37 A 862 835 0.23      
38 A 765 742 0.36      
39 A 735 713 1.93      
40 A 521 506 0.15      
41 A 379 367 1.33      
42 A 305 295 0.88      
43 A 278 270 1.68      
44 A 238 230 0.05      
45 A 203 197 0.77      
46 A 140 136 0.33      
47 A 93 91 0.07      
48 A 76 73 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 35916.4 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 34817.3 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 B3LYP/CEP-121G*
ABC
0.49363 0.03938 0.03890

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 3.215 0.219 -0.158
C2 1.819 -0.367 -0.225
C3 0.750 0.102 0.443
C4 -0.649 -0.479 0.372
C5 -1.698 0.527 -0.170
C6 -3.128 -0.054 -0.191
H7 3.252 1.092 0.505
H8 3.940 -0.522 0.212
H9 3.564 0.531 -1.153
H10 1.692 -1.243 -0.870
H11 0.877 0.979 1.087
H12 -0.963 -0.801 1.379
H13 -0.643 -1.381 -0.257
H14 -1.405 0.836 -1.184
H15 -1.680 1.438 0.447
H16 -3.850 0.676 -0.581
H17 -3.185 -0.950 -0.825
H18 -3.456 -0.341 0.818

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18
C11.51542.53963.96194.92246.34901.09711.10021.10022.22782.75584.56744.17774.77315.08057.09226.53956.7648
C21.51541.34462.54163.62904.95712.17142.17082.17111.09502.10263.24102.66283.57273.99405.77505.07305.3769
C32.53961.34461.51622.55923.93282.69123.25803.26332.10191.09592.15132.15152.79882.77324.74744.26564.2457
C43.96192.54161.51621.55112.57784.20714.59154.59302.75812.22791.10311.10022.17362.17773.53402.84362.8454
C54.92243.62902.55921.55111.54375.02745.74695.35283.88752.90072.16892.18141.09971.10082.19592.19532.1953
C66.34904.95713.93282.57781.54376.51927.09476.78615.01094.32892.77692.81792.17852.17481.09811.09901.0990
H71.09712.17142.69124.20715.02746.51921.77841.77853.12662.44774.70254.67614.96094.94417.19636.88236.8659
H81.10022.17083.25804.59155.74697.09471.77841.76492.59663.52115.04774.68625.68895.95607.92097.21217.4223
H91.10022.17113.26334.59305.35286.78611.77851.76492.59483.52695.35594.70724.97875.55707.43726.91707.3431
H102.22781.09502.10192.75813.88755.01093.12662.59662.59483.07103.50792.41803.74384.50465.87194.88585.4920
H112.75582.10261.09592.22792.90074.32892.44773.52113.52693.07102.57693.11233.22302.67525.02154.88584.5371
H124.56743.24102.15131.10312.16892.77694.70255.04775.35593.50792.57691.76573.07382.52903.78913.13302.5959
H134.17772.66282.15151.10022.18142.81794.67614.68624.70722.41803.11231.76572.52093.08493.82352.63963.1857
H144.77313.57272.79882.17361.09972.17854.96095.68894.97873.74383.22303.07382.52091.76042.52282.54643.0980
H155.08053.99402.77322.17771.10082.17484.94415.95605.55704.50462.67522.52903.08491.76042.51923.09572.5407
H167.09225.77504.74743.53402.19591.09817.19637.92097.43725.87195.02153.78913.82352.52282.51921.77351.7739
H176.53955.07304.26562.84362.19531.09906.88237.21216.91704.88584.88583.13302.63962.54643.09571.77351.7730
H186.76485.37694.24572.84542.19531.09906.86597.42237.34315.49204.53712.59593.18573.09802.54071.77391.7730

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 125.131 C1 C2 H10 116.241
C2 C1 H7 111.432 C2 C1 H8 111.193
C2 C1 H9 111.217 C2 C3 C4 125.239
C2 C3 H11 118.630 C3 C2 H10 118.627
C3 C4 C5 113.086 C3 C4 H12 109.424
C3 C4 H13 109.607 C4 C3 H11 116.128
C4 C5 C6 112.801 C4 C5 H14 108.975
C4 C5 H15 109.225 C5 C4 H12 108.422
C5 C4 H13 109.555 C5 C6 H16 111.332
C5 C6 H17 111.224 C5 C6 H18 111.227
C6 C5 H14 109.863 C6 C5 H15 109.507
H7 C1 H8 108.065 H7 C1 H9 108.077
H8 C1 H9 106.658 H12 C4 H13 106.530
H14 C5 H15 106.256 H16 C6 H17 107.652
H16 C6 H18 107.682 H17 C6 H18 107.536
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.595      
2 C -0.094      
3 C -0.083      
4 C -0.358      
5 C -0.253      
6 C -0.520      
7 H 0.175      
8 H 0.165      
9 H 0.165      
10 H 0.163      
11 H 0.159      
12 H 0.147      
13 H 0.156      
14 H 0.151      
15 H 0.145      
16 H 0.169      
17 H 0.154      
18 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.023 0.047 -0.045 0.069
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.602 -0.093 -0.697
y -0.093 -40.264 1.390
z -0.697 1.390 -40.306
Traceless
 xyz
x 0.683 -0.093 -0.697
y -0.093 -0.309 1.390
z -0.697 1.390 -0.373
Polar
3z2-r2-0.747
x2-y20.661
xy-0.093
xz-0.697
yz1.390


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 14.728 -0.269 -0.968
y -0.269 9.335 0.621
z -0.968 0.621 9.168


<r2> (average value of r2) Å2
<r2> 244.256
(<r2>)1/2 15.629