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

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-230.664792
Energy at 298.15K-230.669203
HF Energy-230.664792
Nuclear repulsion energy178.061088
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/Def2TZVPP
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 3307 2997 0.00      
2 Ag 3273 2967 0.00      
3 Ag 2175 1971 0.00      
4 Ag 1629 1476 0.00      
5 Ag 1513 1372 0.00      
6 Ag 1244 1128 0.00      
7 Ag 1115 1011 0.00      
8 Ag 1011 916 0.00      
9 Ag 578 524 0.00      
10 Ag 258 234 0.00      
11 Au 3351 3037 4.53      
12 Au 1109 1005 3.32      
13 Au 1009 914 40.77      
14 Au 537 487 2.46      
15 Au 392 356 16.59      
16 Au 83 75 0.42      
17 Bg 3351 3037 0.00      
18 Bg 1111 1007 0.00      
19 Bg 998 905 0.00      
20 Bg 739 670 0.00      
21 Bg 360 326 0.00      
22 Bu 3315 3004 5.12      
23 Bu 3274 2967 13.97      
24 Bu 2180 1976 209.25      
25 Bu 1584 1435 0.08      
26 Bu 1371 1242 34.06      
27 Bu 1183 1073 1.55      
28 Bu 1012 917 112.48      
29 Bu 600 544 40.85      
30 Bu 135 122 1.14      

Unscaled Zero Point Vibrational Energy (zpe) 21897.5 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 19847.9 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/Def2TZVPP
ABC
1.08542 0.04625 0.04517

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.327 0.660 0.000
C2 0.327 -0.660 0.000
C3 0.327 1.779 0.000
C4 -0.327 -1.779 0.000
C5 0.970 2.899 0.000
C6 -0.970 -2.899 0.000
H7 -1.401 0.683 0.000
H8 1.401 -0.683 0.000
H9 1.366 3.298 0.916
H10 1.366 3.298 -0.916
H11 -1.366 -3.298 0.916
H12 -1.366 -3.298 -0.916

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.47241.29632.43872.58783.61621.07472.18823.26603.26604.19314.1931
C21.47242.43871.29633.61622.58782.18821.07474.19314.19313.26603.2660
C31.29632.43873.61761.29164.85442.04662.68582.05592.05595.42975.4297
C42.43871.29633.61764.85441.29162.68582.04665.42975.42972.05592.0559
C52.58783.61621.29164.85446.11393.24613.60721.07481.07486.68586.6858
C63.61622.58784.85441.29166.11393.60723.24616.68586.68581.07481.0748
H71.07472.18822.04662.68583.24613.60723.11743.91663.91664.08464.0846
H82.18821.07472.68582.04663.60723.24613.11744.08464.08463.91663.9166
H93.26604.19312.05595.42971.07486.68583.91664.08461.83217.13957.3708
H103.26604.19312.05595.42971.07486.68583.91664.08461.83217.37087.1395
H114.19313.26605.42972.05596.68581.07484.08463.91667.13957.37081.8321
H124.19313.26605.42972.05596.68581.07484.08463.91667.37087.13951.8321

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 123.355 C1 C2 H8 117.579
C1 C3 C5 179.601 C2 C1 C3 123.355
C2 C1 H7 117.579 C2 C4 C6 179.601
C3 C1 H7 119.066 C3 C5 H9 120.364
C3 C5 H10 120.364 C4 C2 H8 119.066
C4 C6 H11 120.364 C4 C6 H12 120.364
H9 C5 H10 116.925 H11 C6 H12 116.925
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.128      
2 C -0.128      
3 C -0.017      
4 C -0.017      
5 C -0.108      
6 C -0.108      
7 H 0.085      
8 H 0.085      
9 H 0.084      
10 H 0.084      
11 H 0.084      
12 H 0.084      


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 -35.425 3.631 0.000
y 3.631 -31.702 0.000
z 0.000 0.000 -36.995
Traceless
 xyz
x -1.076 3.631 0.000
y 3.631 4.507 0.000
z 0.000 0.000 -3.431
Polar
3z2-r2-6.862
x2-y2-3.722
xy3.631
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.629 5.897 0.000
y 5.897 20.427 0.000
z 0.000 0.000 6.544


<r2> (average value of r2) Å2
<r2> 239.835
(<r2>)1/2 15.487