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

using model chemistry: MP2/CEP-121G

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-121G
 hartrees
Energy at 0K-37.954676
Energy at 298.15K-37.960911
HF Energy-37.430281
Nuclear repulsion energy102.097678
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-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 A1 3196 3120 60.78      
2 A1 3127 3052 26.42      
3 A1 3106 3032 31.51      
4 A1 3083 3009 3.62      
5 A1 1652 1612 0.01      
6 A1 1569 1531 0.03      
7 A1 1433 1399 0.39      
8 A1 1352 1319 3.29      
9 A1 1294 1263 1.09      
10 A1 1100 1073 1.42      
11 A1 877 856 0.01      
12 A1 386 377 0.01      
13 A1 164 160 0.03      
14 A2 937 915 0.00      
15 A2 765 747 0.00      
16 A2 741 723 0.00      
17 A2 476 465 0.00      
18 A2 149 145 0.00      
19 A2 47 45 0.00      
20 B1 957 934 72.04      
21 B1 782 763 50.22      
22 B1 702 685 54.58      
23 B1 516 503 31.97      
24 B1 82 80 0.01      
25 B2 3196 3119 1.19      
26 B2 3111 3036 0.08      
27 B2 3082 3008 29.75      
28 B2 3079 3005 0.05      
29 B2 1623 1584 8.43      
30 B2 1495 1459 5.09      
31 B2 1384 1351 0.20      
32 B2 1313 1282 0.01      
33 B2 1210 1181 1.98      
34 B2 959 936 3.16      
35 B2 674 658 0.39      
36 B2 343 334 6.11      

Unscaled Zero Point Vibrational Energy (zpe) 24980.3 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 24380.8 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-121G
ABC
0.47025 0.05049 0.04559

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.693 0.795
C2 0.000 -0.693 0.795
C3 0.000 1.570 -0.408
C4 0.000 -1.570 -0.408
C5 0.000 2.944 -0.330
C6 0.000 -2.944 -0.330
H7 0.000 1.208 1.765
H8 0.000 -1.208 1.765
H9 0.000 1.101 -1.399
H10 0.000 -1.101 -1.399
H11 0.000 3.461 0.636
H12 0.000 -3.461 0.636
H13 0.000 3.567 -1.228
H14 0.000 -3.567 -1.228

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.38531.48902.56252.51703.80701.09832.13382.23132.83352.77334.15713.51514.7159
C21.38532.56251.48903.80702.51702.13381.09832.83352.23134.15712.77334.71593.5151
C31.48902.56253.13971.37674.51482.20323.52681.09592.84832.16065.13842.15925.2022
C42.56251.48903.13974.51481.37673.52682.20322.84831.09595.13842.16065.20222.1592
C52.51703.80701.37674.51485.88862.72114.65082.13094.18381.09576.47811.09286.5733
C63.80702.51704.51481.37675.88864.65082.72114.18382.13096.47811.09576.57331.0928
H71.09832.13382.20323.52682.72114.65082.41573.16553.91652.52064.80383.81115.6356
H82.13381.09833.52682.20324.65082.72112.41573.91653.16554.80382.52065.63563.8111
H92.23132.83351.09592.84832.13094.18383.16553.91652.20153.11654.99532.47264.6713
H102.83352.23132.84831.09594.18382.13093.91653.16552.20154.99533.11654.67132.4726
H112.77334.15712.16065.13841.09576.47812.52064.80383.11654.99536.92281.86677.2717
H124.15712.77335.13842.16066.47811.09574.80382.52064.99533.11656.92287.27171.8667
H133.51514.71592.15925.20221.09286.57333.81115.63562.47264.67131.86677.27177.1349
H144.71593.51515.20222.15926.57331.09285.63563.81114.67132.47267.27171.86677.1349

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 126.093 C1 C2 H8 117.975
C1 C3 C5 122.838 C1 C3 H9 118.565
C2 C1 C3 126.093 C2 C1 H7 117.975
C2 C4 C6 122.838 C2 C4 H10 118.565
C3 C1 H7 115.932 C3 C5 H11 121.417
C3 C5 H13 121.512 C4 C2 H8 115.932
C4 C6 H12 121.417 C4 C6 H14 121.512
C5 C3 H9 118.597 C6 C4 H10 118.597
H11 C5 H13 117.071 H12 C6 H14 117.071
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability