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All results from a given calculation for C6H8 ((Z)-hexa-2,3,4-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-38.262602
Energy at 298.15K-38.268699
HF Energy-37.495067
Nuclear repulsion energy99.751132
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 3182 3032 23.95      
2 A1 3159 3010 7.50      
3 A1 3056 2912 17.81      
4 A1 2125 2024 1.53      
5 A1 1531 1458 7.55      
6 A1 1441 1373 7.14      
7 A1 1390 1324 0.02      
8 A1 1137 1083 1.51      
9 A1 1075 1025 0.60      
10 A1 761 725 0.46      
11 A1 469 447 7.79      
12 A1 98 93 1.77      
13 A2 3138 2990 0.00      
14 A2 1513 1441 0.00      
15 A2 1062 1012 0.00      
16 A2 822 783 0.00      
17 A2 452 431 0.00      
18 A2 225 215 0.00      
19 A2 110 105 0.00      
20 B1 3138 2990 41.95      
21 B1 1514 1442 15.17      
22 B1 1059 1009 2.83      
23 B1 673 642 52.28      
24 B1 246 235 4.67      
25 B1 110 105 1.32      
26 B2 3182 3031 18.12      
27 B2 3160 3010 0.47      
28 B2 3056 2912 57.91      
29 B2 1674 1595 4.24      
30 B2 1521 1449 14.96      
31 B2 1439 1371 7.16      
32 B2 1288 1227 15.74      
33 B2 1111 1059 1.39      
34 B2 947 902 24.71      
35 B2 546 520 2.18      
36 B2 212 202 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 25809.5 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 24591.3 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
0.40853 0.04576 0.04179

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)
H1 0.000 2.184 1.599
H2 0.885 3.467 0.738
H3 -0.885 3.467 0.738
H4 0.000 -2.184 1.599
H5 0.885 -3.467 0.738
H6 -0.885 -3.467 0.738
C7 0.000 2.819 0.710
C8 0.000 -2.819 0.710
H9 0.000 2.502 -1.509
H10 0.000 -2.502 -1.509
C11 0.000 -0.642 -0.551
C12 0.000 0.642 -0.551
C13 0.000 1.978 -0.551
C14 0.000 -1.978 -0.551

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 H9 H10 C11 C12 C13 C14
H11.78081.78084.36755.78415.78411.09305.08143.12485.62283.55032.64592.15954.6844
H21.78081.76945.78416.93417.15631.09696.34832.60116.43894.39603.22912.15865.6652
H31.78081.76945.78417.15636.93411.09696.34832.60116.43894.39603.22912.15865.6652
H44.36755.78415.78411.78081.78085.08141.09305.62283.12482.64593.55034.68442.1595
H55.78416.93417.15631.78081.76946.34831.09696.43892.60113.22914.39605.66522.1586
H65.78417.15636.93411.78081.76946.34831.09696.43892.60113.22914.39605.66522.1586
C71.09301.09691.09695.08146.34836.34835.63862.24205.76523.68332.51641.51534.9604
C85.08146.34836.34831.09301.09691.09695.63865.76522.24202.51643.68334.96041.5153
H93.12482.60112.60115.62286.43896.43892.24205.76525.00333.28612.09261.09244.5814
H105.62286.43896.43893.12482.60112.60115.76522.24205.00332.09263.28614.58141.0924
C113.55034.39604.39602.64593.22913.22913.68332.51643.28612.09261.28312.61991.3368
C122.64593.22913.22913.55034.39604.39602.51643.68332.09263.28611.28311.33682.6199
C132.15952.15862.15864.68445.66525.66521.51534.96041.09244.58142.61991.33683.9566
C144.68445.66525.66522.15952.15862.15864.96041.51534.58141.09241.33682.61993.9566

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 108.820 H1 C7 H3 108.820
H1 C7 C13 110.734 H2 C7 H3 107.528
H2 C7 C13 110.428 H3 C7 C13 110.428
H4 C8 H5 108.820 H4 C8 H6 108.820
H4 C8 C14 110.734 H5 C8 H6 107.528
H5 C8 C14 110.428 H6 C8 C14 110.428
C7 C13 H9 117.664 C7 C13 C12 123.723
C8 C14 H10 117.664 C8 C14 C11 123.723
H9 C13 C12 118.614 H10 C14 C11 118.614
C11 C12 C13 179.988 C12 C11 C14 179.988
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability