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

using model chemistry: CCSD(T)/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at CCSD(T)/Def2TZVPP
 hartrees
Energy at 0K-231.686140
Energy at 298.15K-231.689977
HF Energy-230.661681
Nuclear repulsion energy175.950152
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 CCSD(T)/Def2TZVPP
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 3161 3161        
2 Ag 3133 3133        
3 Ag 1995 1995        
4 Ag 1503 1503        
5 Ag 1405 1405        
6 Ag 1165 1165        
7 Ag 1030 1030        
8 Ag 868 868        
9 Ag 526 526        
10 Ag 221 221        
11 Au 3215 3215        
12 Au 1017 1017        
13 Au 909 909        
14 Au 481 481        
15 Au 331 331        
16 Au 77 77        
17 Bg 3215 3215        
18 Bg 1019 1019        
19 Bg 878 878        
20 Bg 659 659        
21 Bg 302 302        
22 Bu 3168 3168        
23 Bu 3133 3133        
24 Bu 2009 2009        
25 Bu 1470 1470        
26 Bu 1265 1265        
27 Bu 1087 1087        
28 Bu 869 869        
29 Bu 523 523        
30 Bu 117 117        

Unscaled Zero Point Vibrational Energy (zpe) 20375.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20375.4 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 CCSD(T)/Def2TZVPP
ABC
1.05709 0.04525 0.04419

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.331 0.656 0.000
C2 0.331 -0.656 0.000
C3 0.331 1.798 0.000
C4 -0.331 -1.798 0.000
C5 0.999 2.929 0.000
C6 -0.999 -2.929 0.000
H7 -1.417 0.672 0.000
H8 1.417 -0.672 0.000
H9 1.283 3.411 0.929
H10 1.283 3.411 -0.929
H11 -1.283 -3.411 0.929
H12 -1.283 -3.411 -0.929

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47041.32002.45432.63333.64671.08532.19543.32493.32494.27904.2790
C21.47042.45431.32003.64672.63332.19541.08534.27904.27903.32493.3249
C31.32002.45433.65641.31334.91042.07912.69792.09032.09035.53175.5317
C42.45431.32003.65644.91041.31332.69792.07915.53175.53172.09032.0903
C52.63333.64671.31334.91046.18903.30583.62491.08421.08426.80156.8015
C63.64672.63334.91041.31336.18903.62493.30586.80156.80151.08421.0842
H71.08532.19542.07912.69793.30583.62493.13583.95593.95594.18954.1895
H82.19541.08532.69792.07913.62493.30583.13584.18954.18953.95593.9559
H93.32494.27902.09035.53171.08426.80153.95594.18951.85757.28827.5212
H103.32494.27902.09035.53171.08426.80153.95594.18951.85757.52127.2882
H114.27903.32495.53172.09036.80151.08424.18953.95597.28827.52121.8575
H124.27903.32495.53172.09036.80151.08424.18953.95597.52127.28821.8575

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 123.084 C1 C2 H8 117.616
C1 C3 C5 179.561 C2 C1 C3 123.084
C2 C1 H7 117.616 C2 C4 C6 179.561
C3 C1 H7 119.300 C3 C5 H9 121.057
C3 C5 H10 121.057 C4 C2 H8 119.300
C4 C6 H11 121.057 C4 C6 H12 121.057
H9 C5 H10 117.885 H11 C6 H12 117.885
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability