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

using model chemistry: MP2/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-232.823514
Energy at 298.15K-232.829830
Nuclear repulsion energy190.706175
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/cc-pVTZ
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 3184 3023 15.78      
2 A1 3167 3007 1.75      
3 A1 3065 2910 11.94      
4 A1 2164 2055 1.52      
5 A1 1509 1433 6.76      
6 A1 1408 1336 6.30      
7 A1 1384 1314 0.01      
8 A1 1135 1077 1.44      
9 A1 1074 1020 1.01      
10 A1 764 725 0.46      
11 A1 471 447 7.39      
12 A1 94 90 1.56      
13 A2 3136 2977 0.00      
14 A2 1495 1420 0.00      
15 A2 1053 1000 0.00      
16 A2 851 808 0.00      
17 A2 539 512 0.00      
18 A2 230 218 0.00      
19 A2 153 145 0.00      
20 B1 3136 2978 22.97      
21 B1 1496 1421 11.24      
22 B1 1051 998 1.52      
23 B1 706 670 40.07      
24 B1 238 226 3.06      
25 B1 133 127 2.59      
26 B2 3184 3023 7.94      
27 B2 3167 3007 0.20      
28 B2 3065 2910 39.78      
29 B2 1697 1611 4.03      
30 B2 1497 1422 15.47      
31 B2 1404 1333 7.56      
32 B2 1283 1218 13.96      
33 B2 1109 1053 0.55      
34 B2 948 901 31.09      
35 B2 550 522 2.66      
36 B2 208 198 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 25871.7 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 24565.2 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/cc-pVTZ
ABC
0.41362 0.04675 0.04266

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.000 2.157 1.625
H2 0.878 3.434 0.772
H3 -0.878 3.434 0.772
H4 0.000 -2.157 1.625
H5 0.878 -3.434 0.772
H6 -0.878 -3.434 0.772
C7 0.000 2.788 0.740
C8 0.000 -2.788 0.740
H9 0.000 2.480 -1.460
H10 0.000 -2.480 -1.460
C11 0.000 -0.635 -0.517
C12 0.000 0.635 -0.517
C13 0.000 1.958 -0.508
C14 0.000 -1.958 -0.508

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 H9 H10 C11 C12 C13 C14
H11.76941.76944.31425.72395.72391.08685.02353.10195.56943.51942.62832.14284.6351
H21.76941.75595.72396.86877.08961.09086.28392.58106.38184.35783.20462.14225.6110
H31.76941.75595.72397.08966.86871.09086.28392.58106.38184.35783.20462.14225.6110
H44.31425.72395.72391.76941.76945.02351.08685.56943.10192.62833.51944.63512.1428
H55.72396.86877.08961.76941.75596.28391.09086.38182.58103.20464.35785.61102.1422
H65.72397.08966.86871.76941.75596.28391.09086.38182.58103.20464.35785.61102.1422
C71.08681.09081.09085.02356.28396.28395.57572.22155.70863.64642.49341.49924.9071
C85.02356.28396.28391.08681.09081.09085.57575.70862.22152.49343.64644.90711.4992
H93.10192.58102.58105.56946.38186.38182.22155.70864.95963.25412.07171.08544.5385
H105.56946.38186.38183.10192.58102.58105.70862.22154.95962.07173.25414.53851.0854
C113.51944.35784.35782.62833.20463.20463.64642.49343.25412.07171.26972.59261.3230
C122.62833.20463.20463.51944.35784.35782.49343.64642.07173.25411.26971.32302.5926
C132.14282.14222.14224.63515.61105.61101.49924.90711.08544.53852.59261.32303.9155
C144.63515.61105.61102.14282.14222.14224.90711.49924.53851.08541.32302.59263.9155

picture of (Z)-hexa-2,3,4-triene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C7 H2 108.694 H1 C7 H3 108.694
H1 C7 C13 110.904 H2 C7 H3 107.203
H2 C7 C13 110.620 H3 C7 C13 110.620
H4 C8 H5 108.694 H4 C8 H6 108.694
H4 C8 C14 110.904 H5 C8 H6 107.203
H5 C8 C14 110.620 H6 C8 C14 110.620
C7 C13 H9 117.632 C7 C13 C12 124.018
C8 C14 H10 117.632 C8 C14 C11 124.018
H9 C13 C12 118.350 H10 C14 C11 118.350
C11 C12 C13 179.602 C12 C11 C14 179.602
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability