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

using model chemistry: CCSD(T)/TZVP

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)/TZVP
 hartrees
Energy at 0K-231.548686
Energy at 298.15K-231.552406
HF Energy-230.646782
Nuclear repulsion energy175.880094
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)/TZVP
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 3162 3043        
2 Ag 3143 3025        
3 Ag 1997 1922        
4 Ag 1510 1454        
5 Ag 1414 1361        
6 Ag 1168 1124        
7 Ag 1032 993        
8 Ag 838 807        
9 Ag 528 508        
10 Ag 219 210        
11 Au 3224 3103        
12 Au 1019 981        
13 Au 879 846        
14 Au 459 442        
15 Au 300 289        
16 Au 66 64        
17 Bg 3224 3103        
18 Bg 1021 983        
19 Bg 873 840        
20 Bg 653 629        
21 Bg 284 273        
22 Bu 3170 3051        
23 Bu 3143 3025        
24 Bu 2012 1936        
25 Bu 1483 1428        
26 Bu 1278 1231        
27 Bu 1089 1048        
28 Bu 838 807        
29 Bu 518 498        
30 Bu 116 112        

Unscaled Zero Point Vibrational Energy (zpe) 20329.5 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 19567.1 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 CCSD(T)/TZVP
ABC
1.04657 0.04530 0.04422

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.332 0.657 0.000
C2 0.332 -0.657 0.000
C3 0.332 1.798 0.000
C4 -0.332 -1.798 0.000
C5 1.011 2.922 0.000
C6 -1.011 -2.922 0.000
H7 -1.420 0.669 0.000
H8 1.420 -0.669 0.000
H9 1.297 3.407 0.929
H10 1.297 3.407 -0.929
H11 -1.297 -3.407 0.929
H12 -1.297 -3.407 -0.929

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47231.32032.45442.63393.64301.08762.19743.32863.32864.27854.2785
C21.47232.45441.32033.64302.63392.19741.08764.27854.27853.32863.3286
C31.32032.45443.65611.31374.90752.08422.69582.09342.09345.53205.5320
C42.45441.32033.65614.90751.31372.69582.08425.53205.53202.09342.0934
C52.63393.64301.31374.90756.18473.31473.61471.08571.08576.80066.8006
C63.64302.63394.90751.31376.18473.61473.31476.80066.80061.08571.0857
H71.08762.19742.08422.69583.31473.61473.13933.96733.96734.18204.1820
H82.19741.08762.69582.08423.61473.31473.13934.18204.18203.96733.9673
H93.32864.27852.09345.53201.08576.80063.96734.18201.85717.29077.5235
H103.32864.27852.09345.53201.08576.80063.96734.18201.85717.52357.2907
H114.27853.32865.53202.09346.80061.08574.18203.96737.29077.52351.8571
H124.27853.32865.53202.09346.80061.08574.18203.96737.52357.29071.8571

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 122.932 C1 C2 H8 117.484
C1 C3 C5 179.122 C2 C1 C3 122.932
C2 C1 H7 117.484 C2 C4 C6 179.122
C3 C1 H7 119.584 C3 C5 H9 121.207
C3 C5 H10 121.207 C4 C2 H8 119.584
C4 C6 H11 121.207 C4 C6 H12 121.207
H9 C5 H10 117.584 H11 C6 H12 117.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability