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All results from a given calculation for C6H8 ((E)-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 CS 1Ag
Energy calculated at MP2/CEP-31G
 hartrees
Energy at 0K-37.888968
Energy at 298.15K-37.895856
HF Energy-37.415262
Nuclear repulsion energy99.873439
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 Ag 3244 3135 0.00      
2 Ag 3152 3045 0.00      
3 Ag 3135 3029 0.00      
4 Ag 3132 3026 0.00      
5 Ag 1671 1615 0.00      
6 Ag 1592 1539 0.00      
7 Ag 1439 1390 0.00      
8 Ag 1344 1299 0.00      
9 Ag 1319 1274 0.00      
10 Ag 1228 1186 0.00      
11 Ag 934 902 0.00      
12 Ag 433 418 0.00      
13 Ag 337 326 0.00      
14 Au 1039 1004 149.57      
15 Au 973 940 0.10      
16 Au 809 782 125.84      
17 Au 674 651 11.53      
18 Au 235 227 4.50      
19 Au 98 95 0.25      
20 Bg 1008 974 0.00      
21 Bg 855 826 0.00      
22 Bg 808 781 0.00      
23 Bg 599 579 0.00      
24 Bg 204 197 0.00      
25 Bu 3244 3135 93.58      
26 Bu 3151 3044 41.60      
27 Bu 3134 3028 86.20      
28 Bu 3130 3025 7.48      
29 Bu 1644 1588 12.15      
30 Bu 1484 1434 2.73      
31 Bu 1331 1286 2.70      
32 Bu 1301 1258 0.53      
33 Bu 1151 1112 5.94      
34 Bu 967 935 3.28      
35 Bu 527 509 2.61      
36 Bu 142 137 1.17      

Unscaled Zero Point Vibrational Energy (zpe) 25732.9 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 24865.7 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
0.83491 0.04196 0.03995

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.699 0.000
C2 0.000 -0.699 0.000
C3 1.244 1.526 0.000
C4 -1.244 -1.526 0.000
C5 1.239 2.920 0.000
C6 -1.239 -2.920 0.000
H7 0.965 -1.240 0.000
H8 -0.965 1.240 0.000
H9 2.208 0.986 0.000
H10 -2.208 -0.986 0.000
H11 2.177 3.497 0.000
H12 -2.177 -3.497 0.000
H13 -0.296 -3.489 0.000
H14 0.296 3.489 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.39791.49432.54962.54343.82532.16581.10612.22612.77683.54524.72724.19872.8060
C21.39792.54961.49433.82532.54341.10612.16582.77682.22614.72723.54522.80604.1987
C31.49432.54963.93871.39365.09302.78082.22731.10494.26912.18036.07795.24692.1801
C42.54961.49433.93875.09301.39362.22732.78084.26911.10496.07792.18032.18015.2469
C52.54343.82531.39365.09306.34424.16932.77102.16345.20901.10097.26996.59061.1019
C63.82532.54345.09301.39366.34422.77104.16935.20902.16347.26991.10091.10196.5906
H72.16581.10612.78082.22734.16932.77103.14242.54933.18244.89023.86812.57824.7767
H81.10612.16582.22732.78082.77104.16933.14243.18242.54933.86814.89024.77672.5782
H92.22612.77681.10494.26912.16345.20902.54933.18244.83522.51206.27045.12753.1503
H102.77682.22614.26911.10495.20902.16343.18242.54934.83526.27042.51203.15035.1275
H113.54524.72722.18036.07791.10097.26994.89023.86812.51206.27048.23887.41131.8809
H124.72723.54526.07792.18037.26991.10093.86814.89026.27042.51208.23881.88097.4113
H134.19872.80605.24692.18016.59061.10192.57824.77675.12753.15037.41131.88097.0037
H142.80604.19872.18015.24691.10196.59064.77672.57823.15035.12751.88097.41137.0037

picture of (E)-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 123.627 C1 C2 H7 119.299
C1 C3 C5 123.420 C1 C3 H9 117.057
C2 C1 C3 123.627 C2 C1 H8 119.299
C2 C4 C6 123.420 C2 C4 H10 117.057
C3 C1 H8 117.074 C3 C5 H11 121.419
C3 C5 H14 121.314 C4 C2 H7 117.074
C4 C6 H12 121.419 C4 C6 H13 121.314
C5 C3 H9 119.523 C6 C4 H10 119.523
H11 C5 H14 117.267 H12 C6 H13 117.267
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability