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All results from a given calculation for C6H8 ((E)-hexa-2,3,4-triene)

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1A'
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-232.529198
Energy at 298.15K-232.535355
HF Energy-231.767106
Nuclear repulsion energy189.355783
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 MP2/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3210 3027 0.00      
2 Ag 3186 3005 0.00      
3 Ag 3094 2918 0.00      
4 Ag 2194 2069 0.00      
5 Ag 1556 1467 0.00      
6 Ag 1462 1378 0.00      
7 Ag 1418 1338 0.00      
8 Ag 1153 1087 0.00      
9 Ag 1095 1033 0.00      
10 Ag 776 731 0.00      
11 Ag 509 480 0.00      
12 Ag 197 186 0.00      
13 Au 3167 2986 32.63      
14 Au 1542 1454 12.45      
15 Au 1084 1022 0.07      
16 Au 859 810 42.62      
17 Au 317 299 0.17      
18 Au 143 135 0.24      
19 Au 113 107 2.71      
20 Bg 3167 2986 0.00      
21 Bg 1542 1455 0.00      
22 Bg 1081 1020 0.00      
23 Bg 698 659 0.00      
24 Bg 453 427 0.00      
25 Bg 135 127 0.00      
26 Bu 3210 3027 29.99      
27 Bu 3187 3005 8.38      
28 Bu 3094 2918 54.93      
29 Bu 1725 1627 8.26      
30 Bu 1547 1459 14.87      
31 Bu 1460 1377 11.35      
32 Bu 1326 1250 15.05      
33 Bu 1145 1079 5.68      
34 Bu 970 914 25.26      
35 Bu 534 503 9.20      
36 Bu 107 101 1.62      

Unscaled Zero Point Vibrational Energy (zpe) 26227.4 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 24732.4 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 MP2/6-31G*
ABC
0.68359 0.04231 0.04044

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.004 0.638 0.000
C2 0.004 -0.638 0.000
C3 0.004 1.965 0.000
C4 -0.004 -1.965 0.000
C5 -1.230 2.821 0.000
C6 1.230 -2.821 0.000
H7 0.962 2.487 0.000
H8 -0.962 -2.487 0.000
H9 -2.132 2.205 0.000
H10 2.132 -2.205 0.000
H11 -1.250 3.471 0.882
H12 -1.250 3.471 -0.882
H13 1.250 -3.471 0.882
H14 1.250 -3.471 -0.882

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.27591.32682.60262.50353.67202.08653.26892.64313.55613.21783.21784.38514.3851
C21.27592.60261.32683.67202.50353.26892.08653.55612.64314.38514.38513.21783.2178
C31.32682.60263.92941.50164.93991.09154.55572.14944.68172.14882.14885.64565.6456
C42.60261.32683.92944.93991.50164.55571.09154.68172.14945.64565.64562.14882.1488
C52.50353.67201.50164.93996.15432.21715.31481.09196.04681.09571.09576.81966.8196
C63.67202.50354.93991.50166.15435.31482.21716.04681.09196.81966.81961.09571.0957
H72.08653.26891.09154.55572.21715.31485.33393.10684.83642.57622.57626.02986.0298
H83.26892.08654.55571.09155.31482.21715.33394.83643.10686.02986.02982.57622.5762
H92.64313.55612.14944.68171.09196.04683.10684.83646.13481.77671.77676.66576.6657
H103.55612.64314.68172.14946.04681.09194.83643.10686.13486.66576.66571.77671.7767
H113.21784.38512.14885.64561.09576.81962.57626.02981.77676.66571.76387.37767.5855
H123.21784.38512.14885.64561.09576.81962.57626.02981.77676.66571.76387.58557.3776
H134.38513.21785.64562.14886.81961.09576.02982.57626.66571.77677.37767.58551.7638
H144.38513.21785.64562.14886.81961.09576.02982.57626.66571.77677.58557.37761.7638

picture of (E)-hexa-2,3,4-triene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 179.320 C1 C3 C5 124.418
C1 C3 H7 118.948 C2 C1 C3 179.320
C2 C4 C6 124.418 C2 C4 H8 118.948
C3 C5 H9 110.952 C3 C5 H11 110.677
C3 C5 H12 110.677 C4 C6 H10 110.952
C4 C6 H13 110.677 C4 C6 H14 110.677
C5 C3 H7 116.633 C6 C4 H8 116.633
H9 C5 H11 108.613 H9 C5 H12 108.613
H10 C6 H13 108.613 H10 C6 H14 108.613
H11 C5 H12 107.195 H13 C6 H14 107.195
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability