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

using model chemistry: HF/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at HF/3-21G*
 hartrees
Energy at 0K-229.293038
Energy at 298.15K-229.297526
HF Energy-229.293038
Nuclear repulsion energy177.967516
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 HF/3-21G*
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 3329 3004 0.00      
2 Ag 3297 2976 0.00      
3 Ag 2218 2002 0.00      
4 Ag 1653 1492 0.00      
5 Ag 1549 1398 0.00      
6 Ag 1263 1140 0.00      
7 Ag 1113 1004 0.00      
8 Ag 1062 958 0.00      
9 Ag 592 534 0.00      
10 Ag 261 235 0.00      
11 Au 3369 3041 7.86      
12 Au 1167 1053 0.39      
13 Au 1045 943 56.58      
14 Au 552 498 3.55      
15 Au 391 353 20.49      
16 Au 83 75 0.29      
17 Bg 3369 3041 0.00      
18 Bg 1169 1055 0.00      
19 Bg 1043 941 0.00      
20 Bg 764 689 0.00      
21 Bg 363 328 0.00      
22 Bu 3339 3013 10.38      
23 Bu 3298 2977 11.14      
24 Bu 2228 2011 145.67      
25 Bu 1624 1466 0.59      
26 Bu 1425 1287 17.67      
27 Bu 1207 1089 2.06      
28 Bu 1065 961 149.59      
29 Bu 611 551 33.66      
30 Bu 137 124 1.12      

Unscaled Zero Point Vibrational Energy (zpe) 22291.2 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 20120.0 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 HF/3-21G*
ABC
1.07805 0.04624 0.04515

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.327 0.661 0.000
C2 0.327 -0.661 0.000
C3 0.327 1.782 0.000
C4 -0.327 -1.782 0.000
C5 0.982 2.895 0.000
C6 -0.982 -2.895 0.000
H7 -1.402 0.675 0.000
H8 1.402 -0.675 0.000
H9 1.265 3.378 0.917
H10 1.265 3.378 -0.917
H11 -1.265 -3.378 0.917
H12 -1.265 -3.378 -0.917

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47551.29732.44292.58873.61581.07482.18533.28013.28014.24744.2474
C21.47552.44291.29733.61582.58872.18531.07484.24744.24743.28013.2801
C31.29732.44293.62271.29134.85602.05252.68172.06662.06665.47745.4774
C42.44291.29733.62274.85601.29132.68172.05255.47745.47742.06662.0666
C52.58873.61581.29134.85606.11333.25683.59471.07481.07486.72626.7262
C63.61582.58874.85601.29136.11333.59473.25686.72626.72621.07481.0748
H71.07482.18532.05252.68173.25683.59473.11193.90633.90634.15854.1585
H82.18531.07482.68172.05253.59473.25683.11194.15854.15853.90633.9063
H93.28014.24742.06665.47741.07486.72623.90634.15851.83407.21517.4446
H103.28014.24742.06665.47741.07486.72623.90634.15851.83407.44467.2151
H114.24743.28015.47742.06666.72621.07484.15853.90637.21517.44461.8340
H124.24743.28015.47742.06666.72621.07484.15853.90637.44467.21511.8340

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 123.399 C1 C2 H8 117.069
C1 C3 C5 179.826 C2 C1 C3 123.399
C2 C1 H7 117.069 C2 C4 C6 179.826
C3 C1 H7 119.532 C3 C5 H9 121.439
C3 C5 H10 121.439 C4 C2 H8 119.532
C4 C6 H11 121.439 C4 C6 H12 121.439
H9 C5 H10 117.121 H11 C6 H12 117.121
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.306      
2 C -0.306      
3 C 0.017      
4 C 0.017      
5 C -0.455      
6 C -0.455      
7 H 0.265      
8 H 0.265      
9 H 0.240      
10 H 0.240      
11 H 0.240      
12 H 0.240      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.971 3.838 0.000
y 3.838 -31.092 0.000
z 0.000 0.000 -37.257
Traceless
 xyz
x -0.796 3.838 0.000
y 3.838 5.022 0.000
z 0.000 0.000 -4.226
Polar
3z2-r2-8.452
x2-y2-3.879
xy3.838
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.195 6.786 0.000
y 6.786 18.235 0.000
z 0.000 0.000 4.029


<r2> (average value of r2) Å2
<r2> 239.797
(<r2>)1/2 15.485