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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-37.919596
Energy at 298.15K-37.925833
HF Energy-37.391390
Nuclear repulsion energy98.470527
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 3093 3019 56.86      
2 A1 3076 3002 0.09      
3 A1 2958 2887 27.77      
4 A1 2078 2029 1.60      
5 A1 1528 1492 6.35      
6 A1 1451 1416 8.27      
7 A1 1391 1358 0.31      
8 A1 1123 1096 2.70      
9 A1 1080 1054 0.18      
10 A1 738 720 0.48      
11 A1 454 443 7.24      
12 A1 95 93 2.05      
13 A2 3048 2975 0.00      
14 A2 1497 1461 0.00      
15 A2 1070 1044 0.00      
16 A2 825 805 0.00      
17 A2 228 222 0.00      
18 A2 108 105 0.00      
19 B1 3048 2975 67.67      
20 B1 1498 1462 15.22      
21 B1 1068 1043 3.01      
22 B1 678 662 55.38      
23 B1 178 173 4.23      
24 B1 91 89 0.64      
25 B2 3093 3019 32.40      
26 B2 3076 3003 5.00      
27 B2 2958 2887 75.21      
28 B2 1624 1585 2.69      
29 B2 1519 1483 12.60      
30 B2 1449 1415 3.48      
31 B2 1307 1276 12.58      
32 B2 1103 1077 3.80      
33 B2 934 912 20.12      
34 B2 504 492 1.97      
35 B2 201 196 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 25084.5 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 24482.4 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
0.40575 0.04419 0.04047

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 2.244 1.614
H2 0.892 3.527 0.736
H3 -0.892 3.527 0.736
H4 0.000 -2.244 1.614
H5 0.892 -3.527 0.736
H6 -0.892 -3.527 0.736
C7 0.000 2.876 0.711
C8 0.000 -2.876 0.711
H9 0.000 2.528 -1.522
H10 0.000 -2.528 -1.522
C11 0.000 -0.650 -0.546
C12 0.000 0.650 -0.546
C13 0.000 2.005 -0.556
C14 0.000 -2.005 -0.556

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 H9 H10 C11 C12 C13 C14
H11.79191.79194.48835.90515.90511.10155.19883.14855.70993.61102.68482.18264.7709
H21.79191.78445.90517.05387.27591.10486.46452.62596.52334.45923.27422.18685.7504
H31.79191.78445.90517.27597.05381.10486.46452.62596.52334.45923.27422.18685.7504
H44.48835.90515.90511.79191.79195.19881.10155.70993.14852.68483.61104.77092.1826
H55.90517.05387.27591.79191.78446.46451.10486.52332.62593.27424.45925.75042.1868
H65.90517.27597.05381.79191.78446.46451.10486.52332.62593.27424.45925.75042.1868
C71.10151.10481.10485.19886.46456.46455.75142.26035.84673.74292.55671.53745.0424
C85.19886.46456.46451.10151.10481.10485.75145.84672.26032.55673.74295.04241.5374
H93.14852.62592.62595.70996.52336.52332.26035.84675.05533.32372.11641.09864.6344
H105.70996.52336.52333.14852.62592.62595.84672.26035.05532.11643.32374.63441.0986
C113.61104.45924.45922.68483.27423.27423.74292.55673.32372.11641.29922.65461.3554
C122.68483.27423.27423.61104.45924.45922.55673.74292.11643.32371.29921.35542.6546
C132.18262.18682.18684.77095.75045.75041.53745.04241.09864.63442.65461.35544.0099
C144.77095.75045.75042.18262.18682.18685.04241.53744.63441.09861.35542.65464.0099

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 108.618 H1 C7 H3 108.618
H1 C7 C13 110.516 H2 C7 H3 107.709
H2 C7 C13 110.647 H3 C7 C13 110.647
H4 C8 H5 108.618 H4 C8 H6 108.618
H4 C8 C14 110.516 H5 C8 H6 107.709
H5 C8 C14 110.647 H6 C8 C14 110.647
C7 C13 H9 117.091 C7 C13 C12 124.098
C8 C14 H10 117.091 C8 C14 C11 124.098
H9 C13 C12 118.811 H10 C14 C11 118.811
C11 C12 C13 179.600 C12 C11 C14 179.600
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability