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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-38.294934
Energy at 298.15K-38.301639
HF Energy-37.531334
Nuclear repulsion energy103.400706
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 3277 3122 31.47      
2 A1 3212 3060 16.65      
3 A1 3185 3035 21.64      
4 A1 3171 3021 1.41      
5 A1 1684 1605 0.01      
6 A1 1601 1525 0.03      
7 A1 1438 1370 0.50      
8 A1 1348 1285 3.77      
9 A1 1287 1226 0.67      
10 A1 1102 1050 1.13      
11 A1 896 854 0.00      
12 A1 391 372 0.02      
13 A1 169 161 0.05      
14 A2 971 925 0.00      
15 A2 823 784 0.00      
16 A2 788 751 0.00      
17 A2 598 570 0.00      
18 A2 261 248 0.00      
19 A2 108 103 0.00      
20 B1 989 942 68.97      
21 B1 812 774 43.37      
22 B1 770 734 61.34      
23 B1 562 535 33.50      
24 B1 92 88 0.17      
25 B2 3276 3122 0.28      
26 B2 3196 3045 0.52      
27 B2 3170 3021 11.92      
28 B2 3165 3015 0.01      
29 B2 1659 1581 8.15      
30 B2 1496 1426 6.94      
31 B2 1382 1316 0.01      
32 B2 1304 1242 0.48      
33 B2 1216 1158 2.03      
34 B2 965 920 3.60      
35 B2 678 646 0.38      
36 B2 346 330 8.83      

Unscaled Zero Point Vibrational Energy (zpe) 25692.8 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 24480.1 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
0.48657 0.05187 0.04687

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 0.683 0.776
C2 0.000 -0.683 0.776
C3 0.000 1.550 -0.406
C4 0.000 -1.550 -0.406
C5 0.000 2.904 -0.318
C6 0.000 -2.904 -0.318
H7 0.000 1.193 1.742
H8 0.000 -1.193 1.742
H9 0.000 1.091 -1.394
H10 0.000 -1.091 -1.394
H11 0.000 3.407 0.647
H12 0.000 -3.407 0.647
H13 0.000 3.530 -1.206
H14 0.000 -3.530 -1.206

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.36621.46602.52672.47583.75031.09152.10952.20802.80292.72724.09243.46894.6559
C21.36622.52671.46603.75032.47582.10951.09152.80292.20804.09242.72724.65593.4689
C31.46602.52673.09991.35684.45472.17713.48341.08912.81962.13515.06782.13535.1422
C42.52671.46603.09994.45471.35683.48342.17712.81961.08915.06782.13515.14222.1353
C52.47583.75031.35684.45475.80782.67784.58522.10794.13721.08856.38451.08646.4945
C63.75032.47584.45471.35685.80784.58522.67784.13722.10796.38451.08856.49451.0864
H71.09152.10952.17713.48342.67784.58522.38533.13693.87882.47034.72833.76185.5668
H82.10951.09153.48342.17714.58522.67782.38533.87883.13694.72832.47035.56683.7618
H92.20802.80291.08912.81962.10794.13723.13693.87882.18213.08704.93952.44574.6244
H102.80292.20802.81961.08914.13722.10793.87883.13692.18214.93953.08704.62442.4457
H112.72724.09242.13515.06781.08856.38452.47034.72833.08704.93956.81451.85747.1801
H124.09242.72725.06782.13516.38451.08854.72832.47034.93953.08706.81457.18011.8574
H133.46894.65592.13535.14221.08646.49453.76185.56682.44574.62441.85747.18017.0591
H144.65593.46895.14222.13536.49451.08645.56683.76184.62442.44577.18011.85747.0591

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 126.246 C1 C2 H8 117.827
C1 C3 C5 122.532 C1 C3 H9 118.833
C2 C1 C3 126.246 C2 C1 H7 117.827
C2 C4 C6 122.532 C2 C4 H10 118.833
C3 C1 H7 115.927 C3 C5 H11 121.256
C3 C5 H13 121.447 C4 C2 H8 115.927
C4 C6 H12 121.256 C4 C6 H14 121.447
C5 C3 H9 118.636 C6 C4 H10 118.636
H11 C5 H13 117.296 H12 C6 H14 117.296
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability