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

using model chemistry: B2PLYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-231.992540
Energy at 298.15K-231.996545
HF Energy-231.682324
Nuclear repulsion energy176.836881
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/cc-pVTZ
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 3033 0.00      
2 Ag 3137 3009 0.00      
3 Ag 2017 1935 0.00      
4 Ag 1506 1445 0.00      
5 Ag 1405 1348 0.00      
6 Ag 1172 1125 0.00      
7 Ag 1040 997 0.00      
8 Ag 887 851 0.00      
9 Ag 538 516 0.00      
10 Ag 232 223 0.00      
11 Au 3212 3082 3.00      
12 Au 1019 978 1.29      
13 Au 931 893 35.56      
14 Au 493 473 3.27      
15 Au 351 337 11.53      
16 Au 83 80 0.52      
17 Bg 3212 3082 0.00      
18 Bg 1021 980 0.00      
19 Bg 900 863 0.00      
20 Bg 681 653 0.00      
21 Bg 316 304 0.00      
22 Bu 3171 3042 4.12      
23 Bu 3137 3010 15.11      
24 Bu 2038 1955 104.78      
25 Bu 1469 1410 0.32      
26 Bu 1272 1221 14.10      
27 Bu 1106 1061 2.38      
28 Bu 887 851 99.24      
29 Bu 546 523 29.62      
30 Bu 123 118 0.82      

Unscaled Zero Point Vibrational Energy (zpe) 20531.2 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 19697.6 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 B2PLYP/cc-pVTZ
ABC
1.08108 0.04561 0.04456

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.326 0.655 0.000
C2 0.326 -0.655 0.000
C3 0.326 1.793 0.000
C4 -0.326 -1.793 0.000
C5 0.978 2.921 0.000
C6 -0.978 -2.921 0.000
H7 -1.410 0.670 0.000
H8 1.410 -0.670 0.000
H9 1.258 3.409 0.925
H10 1.258 3.409 -0.925
H11 -1.258 -3.409 0.925
H12 -1.258 -3.409 -0.925

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.46321.31162.44752.61433.63451.08352.18373.30883.30884.27034.2703
C21.46322.44751.31163.63452.61432.18371.08354.27034.27033.30883.3088
C31.31162.44753.64421.30274.89052.06712.69062.08202.08205.51535.5153
C42.44751.31163.64424.89051.30272.69062.06715.51535.51532.08202.0820
C52.61433.63451.30274.89056.16013.28093.61681.08261.08266.77606.7760
C63.63452.61434.89051.30276.16013.61683.28096.77606.77601.08261.0826
H71.08352.18372.06712.69063.28093.61683.12163.93323.93324.18514.1851
H82.18371.08352.69062.06713.61683.28093.12164.18514.18513.93323.9332
H93.30884.27032.08205.51531.08266.77603.93324.18511.84987.26667.4984
H103.30884.27032.08205.51531.08266.77603.93324.18511.84987.49847.2666
H114.27033.30885.51532.08206.77601.08264.18513.93327.26667.49841.8498
H124.27033.30885.51532.08206.77601.08264.18513.93327.49847.26661.8498

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 123.692 C1 C2 H8 117.287
C1 C3 C5 179.822 C2 C1 C3 123.692
C2 C1 H7 117.287 C2 C4 C6 179.822
C3 C1 H7 119.021 C3 C5 H9 121.311
C3 C5 H10 121.311 C4 C2 H8 119.021
C4 C6 H11 121.311 C4 C6 H12 121.311
H9 C5 H10 117.378 H11 C6 H12 117.378
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.094      
2 C -0.094      
3 C 0.046      
4 C 0.046      
5 C -0.380      
6 C -0.380      
7 H 0.148      
8 H 0.148      
9 H 0.140      
10 H 0.140      
11 H 0.140      
12 H 0.140      


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 -35.212 3.345 0.000
y 3.345 -31.632 0.000
z 0.000 0.000 -36.643
Traceless
 xyz
x -1.075 3.345 0.000
y 3.345 4.295 0.000
z 0.000 0.000 -3.220
Polar
3z2-r2-6.441
x2-y2-3.580
xy3.345
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.197 5.670 0.000
y 5.670 20.369 0.000
z 0.000 0.000 6.242


<r2> (average value of r2) Å2
<r2> 242.748
(<r2>)1/2 15.580