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

using model chemistry: B2PLYP/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 B2PLYP/TZVP
 hartrees
Energy at 0K-231.949340
Energy at 298.15K-231.953307
HF Energy-231.676822
Nuclear repulsion energy176.768186
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 B2PLYP/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 3166 3022 0.00      
2 Ag 3144 3001 0.00      
3 Ag 2022 1930 0.00      
4 Ag 1512 1443 0.00      
5 Ag 1413 1348 0.00      
6 Ag 1176 1123 0.00      
7 Ag 1042 995 0.00      
8 Ag 882 842 0.00      
9 Ag 540 516 0.00      
10 Ag 232 221 0.00      
11 Au 3220 3073 3.34      
12 Au 1023 977 0.86      
13 Au 920 878 36.94      
14 Au 487 465 3.76      
15 Au 341 325 15.32      
16 Au 79 75 0.48      
17 Bg 3220 3073 0.00      
18 Bg 1025 979 0.00      
19 Bg 898 857 0.00      
20 Bg 680 649 0.00      
21 Bg 310 296 0.00      
22 Bu 3176 3031 4.59      
23 Bu 3144 3001 16.20      
24 Bu 2043 1950 103.53      
25 Bu 1477 1410 0.31      
26 Bu 1282 1224 13.71      
27 Bu 1111 1060 2.78      
28 Bu 882 842 111.49      
29 Bu 547 522 31.84      
30 Bu 123 117 0.99      

Unscaled Zero Point Vibrational Energy (zpe) 20558.2 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 19620.8 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 B2PLYP/TZVP
ABC
1.07635 0.04561 0.04455

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.327 0.655 0.000
C2 0.327 -0.655 0.000
C3 0.327 1.793 0.000
C4 -0.327 -1.793 0.000
C5 0.982 2.919 0.000
C6 -0.982 -2.919 0.000
H7 -1.412 0.670 0.000
H8 1.412 -0.670 0.000
H9 1.264 3.408 0.925
H10 1.264 3.408 -0.925
H11 -1.264 -3.408 0.925
H12 -1.264 -3.408 -0.925

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.46471.31162.44822.61473.63411.08512.18583.31103.31104.27164.2716
C21.46472.44821.31163.63412.61472.18581.08514.27164.27163.31103.3110
C31.31162.44823.64461.30304.89022.06962.69082.08412.08415.51685.5168
C42.44821.31163.64464.89021.30302.69082.06965.51685.51682.08412.0841
C52.61473.63411.30304.89026.15973.28473.61441.08381.08386.77746.7774
C63.63412.61474.89021.30306.15973.61443.28476.77746.77741.08381.0838
H71.08512.18582.06962.69083.28473.61443.12493.93863.93864.18404.1840
H82.18581.08512.69082.06963.61443.28473.12494.18404.18403.93863.9386
H93.31104.27162.08415.51681.08386.77743.93864.18401.85057.26977.5015
H103.31104.27162.08415.51681.08386.77743.93864.18401.85057.50157.2697
H114.27163.31105.51682.08416.77741.08384.18403.93867.26977.50151.8505
H124.27163.31105.51682.08416.77741.08384.18403.93867.50157.26971.8505

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 123.630 C1 C2 H8 117.241
C1 C3 C5 179.695 C2 C1 C3 123.630
C2 C1 H7 117.241 C2 C4 C6 179.695
C3 C1 H7 119.129 C3 C5 H9 121.382
C3 C5 H10 121.382 C4 C2 H8 119.129
C4 C6 H11 121.382 C4 C6 H12 121.382
H9 C5 H10 117.236 H11 C6 H12 117.236
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.180      
2 C -0.180      
3 C 0.049      
4 C 0.049      
5 C -0.282      
6 C -0.282      
7 H 0.145      
8 H 0.145      
9 H 0.134      
10 H 0.134      
11 H 0.134      
12 H 0.134      


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 -35.447 3.372 0.000
y 3.372 -31.926 0.000
z 0.000 0.000 -36.876
Traceless
 xyz
x -1.046 3.372 0.000
y 3.372 4.235 0.000
z 0.000 0.000 -3.189
Polar
3z2-r2-6.379
x2-y2-3.521
xy3.372
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.287 5.779 0.000
y 5.779 20.353 0.000
z 0.000 0.000 6.277


<r2> (average value of r2) Å2
<r2> 242.969
(<r2>)1/2 15.587