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

using model chemistry: QCISD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at QCISD/6-311G**
 hartrees
Energy at 0K-231.493246
Energy at 298.15K-231.497164
HF Energy-230.626948
Nuclear repulsion energy175.616173
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 QCISD/6-311G**
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 3174 3029 0.00      
2 Ag 3149 3004 0.00      
3 Ag 2038 1944 0.00      
4 Ag 1519 1449 0.00      
5 Ag 1416 1351 0.00      
6 Ag 1178 1124 0.00      
7 Ag 1043 995 0.00      
8 Ag 878 838 0.00      
9 Ag 535 511 0.00      
10 Ag 228 218 0.00      
11 Au 3230 3082 7.25      
12 Au 1026 979 1.86      
13 Au 915 873 33.36      
14 Au 482 460 4.09      
15 Au 336 321 12.19      
16 Au 73 70 0.31      
17 Bg 3230 3082 0.00      
18 Bg 1028 981 0.00      
19 Bg 891 850 0.00      
20 Bg 669 638 0.00      
21 Bg 312 298 0.00      
22 Bu 3181 3035 6.78      
23 Bu 3149 3004 15.42      
24 Bu 2046 1953 56.06      
25 Bu 1481 1413 0.17      
26 Bu 1278 1220 13.55      
27 Bu 1099 1048 0.71      
28 Bu 879 839 93.42      
29 Bu 535 510 24.90      
30 Bu 121 115 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 20559.2 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 19615.6 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 QCISD/6-311G**
ABC
1.05338 0.04507 0.04401

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.332 0.660 0.000
C2 0.332 -0.660 0.000
C3 0.332 1.802 0.000
C4 -0.332 -1.802 0.000
C5 0.998 2.935 0.000
C6 -0.998 -2.935 0.000
H7 -1.421 0.675 0.000
H8 1.421 -0.675 0.000
H9 1.282 3.421 0.931
H10 1.282 3.421 -0.931
H11 -1.282 -3.421 0.931
H12 -1.282 -3.421 -0.931

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47771.32012.46182.63453.65611.08902.20333.33003.33004.29204.2920
C21.47772.46181.32013.65612.63452.20331.08904.29204.29203.33003.3300
C31.32012.46183.66371.31444.91932.08292.70592.09532.09535.54445.5444
C42.46181.32013.66374.91931.31442.70592.08295.54445.54442.09532.0953
C52.63453.65611.31444.91936.19943.30953.63491.08781.08786.81556.8155
C63.65612.63454.91931.31446.19943.63493.30956.81556.81551.08781.0878
H71.08902.20332.08292.70593.30953.63493.14603.96293.96294.20284.2028
H82.20331.08902.70592.08293.63493.30953.14604.20284.20283.96293.9629
H93.33004.29202.09535.54441.08786.81553.96294.20281.86187.30567.5391
H103.33004.29202.09535.54441.08786.81553.96294.20281.86187.53917.3056
H114.29203.33005.54442.09536.81551.08784.20283.96297.30567.53911.8618
H124.29203.33005.54442.09536.81551.08784.20283.96297.53917.30561.8618

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 123.161 C1 C2 H8 117.478
C1 C3 C5 179.716 C2 C1 C3 123.161
C2 C1 H7 117.478 C2 C4 C6 179.716
C3 C1 H7 119.361 C3 C5 H9 121.152
C3 C5 H10 121.152 C4 C2 H8 119.361
C4 C6 H11 121.152 C4 C6 H12 121.152
H9 C5 H10 117.696 H11 C6 H12 117.696
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability