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All results from a given calculation for C6H6 (1,2,4,5-Hexatetraene)

using model chemistry: CISD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at CISD/cc-pVDZ
 hartrees
Energy at 0K-231.258072
Energy at 298.15K-231.262247
HF Energy-230.594359
Nuclear repulsion energy176.054755
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 CISD/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3285 3028 0.00      
2 Ag 3252 2998 0.00      
3 Ag 2143 1975 0.00      
4 Ag 1576 1453 0.00      
5 Ag 1453 1340 0.00      
6 Ag 1215 1120 0.00      
7 Ag 1087 1002 0.00      
8 Ag 937 864 0.00      
9 Ag 559 516 0.00      
10 Ag 243 224 0.00      
11 Au 3345 3083 3.29      
12 Au 1058 975 1.10      
13 Au 962 886 34.92      
14 Au 508 468 3.23      
15 Au 368 339 10.49      
16 Au 80 74 0.33      
17 Bg 3345 3083 0.00      
18 Bg 1060 977 0.00      
19 Bg 936 863 0.00      
20 Bg 701 646 0.00      
21 Bg 339 312 0.00      
22 Bu 3291 3034 6.19      
23 Bu 3252 2998 8.73      
24 Bu 2150 1982 98.44      
25 Bu 1519 1401 0.15      
26 Bu 1311 1208 18.56      
27 Bu 1151 1061 0.49      
28 Bu 938 864 98.09      
29 Bu 564 520 26.47      
30 Bu 127 117 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 21375.0 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 19703.5 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 CISD/cc-pVDZ
ABC
1.06080 0.04529 0.04423

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.330 0.659 0.000
C2 0.330 -0.659 0.000
C3 0.330 1.798 0.000
C4 -0.330 -1.798 0.000
C5 0.989 2.929 0.000
C6 -0.989 -2.929 0.000
H7 -1.419 0.679 0.000
H8 1.419 -0.679 0.000
H9 1.270 3.415 0.932
H10 1.270 3.415 -0.932
H11 -1.270 -3.415 0.932
H12 -1.270 -3.415 -0.932

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47441.31562.45712.62483.64851.08912.20183.32043.32044.28464.2846
C21.47442.45711.31563.64852.62482.20181.08914.28464.28463.32043.3204
C31.31562.45713.65551.30924.90732.07562.70562.09062.09065.53235.5323
C42.45711.31563.65554.90731.30922.70562.07565.53235.53232.09062.0906
C52.62483.64851.30924.90736.18293.29503.63371.08871.08876.79896.7989
C63.64852.62484.90731.30926.18293.63373.29506.79896.79891.08871.0887
H71.08912.20182.07562.70563.29503.63373.14553.94803.94804.20194.2019
H82.20181.08912.70562.07563.63373.29503.14554.20194.20193.94803.9480
H93.32044.28462.09065.53231.08876.79893.94804.20191.86507.28797.5227
H103.32044.28462.09065.53231.08876.79893.94804.20191.86507.52277.2879
H114.28463.32045.53232.09066.79891.08874.20193.94807.28797.52271.8650
H124.28463.32045.53232.09066.79891.08874.20193.94807.52277.28791.8650

picture of 1,2,4,5-Hexatetraene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 123.349 C1 C2 H8 117.605
C1 C3 C5 179.870 C2 C1 C3 123.349
C2 C1 H7 117.605 C2 C4 C6 179.870
C3 C1 H7 119.045 C3 C5 H9 121.075
C3 C5 H10 121.075 C4 C2 H8 119.045
C4 C6 H11 121.075 C4 C6 H12 121.075
H9 C5 H10 117.851 H11 C6 H12 117.851
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability