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All results from a given calculation for C6H8 ((Z)-hexa-1,3,5-triene)

using model chemistry: MP2/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-38.217225
Energy at 298.15K-38.224280
HF Energy-37.505747
Nuclear repulsion energy102.514206
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/CEP-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 A1 3287 3121 42.62      
2 A1 3230 3067 15.07      
3 A1 3201 3039 22.93      
4 A1 3185 3024 1.86      
5 A1 1714 1627 0.03      
6 A1 1621 1539 0.03      
7 A1 1440 1367 0.63      
8 A1 1348 1280 3.16      
9 A1 1290 1224 0.64      
10 A1 1096 1041 1.77      
11 A1 899 853 0.00      
12 A1 385 366 0.04      
13 A1 169 160 0.05      
14 A2 1028 976 0.00      
15 A2 942 894 0.00      
16 A2 830 788 0.00      
17 A2 710 674 0.00      
18 A2 335 318 0.00      
19 A2 156 148 0.00      
20 B1 1032 980 92.26      
21 B1 855 812 38.68      
22 B1 835 792 88.11      
23 B1 611 580 48.97      
24 B1 111 105 0.29      
25 B2 3286 3120 0.34      
26 B2 3215 3053 2.35      
27 B2 3184 3022 14.39      
28 B2 3169 3008 0.01      
29 B2 1682 1597 7.43      
30 B2 1499 1423 6.33      
31 B2 1383 1313 0.01      
32 B2 1303 1237 0.52      
33 B2 1225 1163 1.54      
34 B2 959 910 4.21      
35 B2 672 638 0.51      
36 B2 346 328 9.36      

Unscaled Zero Point Vibrational Energy (zpe) 26115.0 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 24793.5 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 MP2/CEP-31G*
ABC
0.48057 0.05096 0.04608

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.691 0.781
C2 0.000 -0.691 0.781
C3 0.000 1.559 -0.412
C4 0.000 -1.559 -0.412
C5 0.000 2.932 -0.317
C6 0.000 -2.932 -0.317
H7 0.000 1.209 1.749
H8 0.000 -1.209 1.749
H9 0.000 1.096 -1.405
H10 0.000 -1.096 -1.405
H11 0.000 3.430 0.659
H12 0.000 -3.430 0.659
H13 0.000 3.566 -1.210
H14 0.000 -3.566 -1.210

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.38301.47462.54682.49463.78571.09822.13332.22302.82392.74104.12313.49664.7000
C21.38302.54681.47463.78572.49462.13331.09822.82392.22304.12312.74104.70003.4966
C31.47462.54683.11781.37594.49152.18903.51181.09582.83512.15585.10242.16015.1868
C42.54681.47463.11784.49151.37593.51182.18902.83511.09585.10242.15585.18682.1601
C52.49463.78571.37594.49155.86312.69014.62782.13334.17231.09646.43591.09546.5587
C63.78572.49464.49151.37595.86314.62782.69014.17232.13336.43591.09646.55871.0954
H71.09822.13332.18903.51182.69014.62782.41863.15633.90722.47364.76543.78315.6180
H82.13331.09823.51182.18904.62782.69012.41863.90723.15634.76542.47365.61803.7831
H92.22302.82391.09582.83512.13334.17233.15633.90722.19283.11564.97482.47734.6665
H102.82392.22302.83511.09584.17232.13333.90723.15632.19284.97483.11564.66652.4773
H112.74104.12312.15585.10241.09646.43592.47364.76543.11564.97486.85971.87457.2414
H124.12312.74105.10242.15586.43591.09644.76542.47364.97483.11566.85977.24141.8745
H133.49664.70002.16015.18681.09546.55873.78315.61802.47734.66651.87457.24147.1321
H144.70003.49665.18682.16016.55871.09545.61803.78314.66652.47737.24141.87457.1321

picture of (Z)-hexa-1,3,5-triene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 126.034 C1 C2 H8 118.130
C1 C3 C5 122.095 C1 C3 H9 119.000
C2 C1 C3 126.034 C2 C1 H7 118.130
C2 C4 C6 122.095 C2 C4 H10 119.000
C3 C1 H7 115.837 C3 C5 H11 120.970
C3 C5 H13 121.460 C4 C2 H8 115.837
C4 C6 H12 120.970 C4 C6 H14 121.460
C5 C3 H9 118.904 C6 C4 H10 118.904
H11 C5 H13 117.570 H12 C6 H14 117.570
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability