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All results from a given calculation for C6H6 (Dewar Benzene)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-230.649336
Energy at 298.15K 
HF Energy-230.649336
Nuclear repulsion energy210.301867
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
(Å4/u)
Dep P Dep U
1 A1 3360 3046 7.90 254.95 0.03 0.07
2 A1 3247 2943 45.40 146.64 0.12 0.21
3 A1 1762 1597 0.14 62.59 0.05 0.09
4 A1 1299 1178 4.48 29.01 0.12 0.22
5 A1 1143 1036 1.06 11.77 0.40 0.57
6 A1 1024 928 28.25 11.87 0.22 0.36
7 A1 941 853 0.00 4.67 0.62 0.76
8 A1 894 810 77.10 9.43 0.05 0.09
9 A1 421 382 5.46 4.89 0.51 0.67
10 A2 3325 3014 0.00 147.16 0.75 0.86
11 A2 1427 1293 0.00 5.90 0.75 0.86
12 A2 1325 1201 0.00 8.76 0.75 0.86
13 A2 1069 969 0.00 1.35 0.75 0.86
14 A2 1022 926 0.00 1.17 0.75 0.86
15 A2 857 776 0.00 3.81 0.75 0.86
16 A2 366 332 0.00 1.79 0.75 0.86
17 B1 3358 3043 37.09 56.61 0.75 0.86
18 B1 1734 1571 15.08 0.10 0.75 0.86
19 B1 1346 1220 9.42 0.23 0.75 0.86
20 B1 1191 1080 0.28 0.01 0.75 0.86
21 B1 1071 971 2.08 8.49 0.75 0.86
22 B1 804 729 48.29 1.04 0.75 0.86
23 B2 3327 3016 30.89 40.22 0.75 0.86
24 B2 3238 2935 27.06 116.33 0.75 0.86
25 B2 1424 1291 43.78 0.01 0.75 0.86
26 B2 1287 1166 6.71 0.36 0.75 0.86
27 B2 1091 989 3.04 3.59 0.75 0.86
28 B2 1021 925 5.73 0.00 0.75 0.86
29 B2 912 827 10.71 0.78 0.75 0.86
30 B2 542 492 7.46 2.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22912.8 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 20768.2 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
0.26775 0.15008 0.11773

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.777 0.522
C2 0.000 -0.777 0.522
H3 0.000 1.344 1.441
H4 0.000 -1.344 1.441
C5 -1.299 0.660 -0.264
C6 1.299 0.660 -0.264
C7 1.299 -0.660 -0.264
C8 -1.299 -0.660 -0.264
H9 -1.946 1.397 -0.701
H10 1.946 1.397 -0.701
H11 1.946 -1.397 -0.701
H12 -1.946 -1.397 -0.701

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.55491.07982.31171.52291.52292.09082.09082.37972.37973.16323.1632
C21.55492.31171.07982.09082.09081.52291.52293.16323.16322.37972.3797
H31.07982.31172.68722.25022.25022.93432.93432.89402.89403.98523.9852
H42.31171.07982.68722.93432.93432.25022.25023.98523.98522.89402.8940
C51.52292.09082.25022.93432.59842.91441.31991.07293.35593.86642.1995
C61.52292.09082.25022.93432.59841.31992.91443.35591.07292.19953.8664
C72.09081.52292.93432.25022.91441.31992.59843.86642.19951.07293.3559
C82.09081.52292.93432.25021.31992.91442.59842.19953.86643.35591.0729
H92.37973.16322.89403.98521.07293.35593.86642.19953.89124.79002.7933
H102.37973.16322.89403.98523.35591.07292.19953.86643.89122.79334.7900
H113.16322.37973.98522.89403.86642.19951.07293.35594.79002.79333.8912
H123.16322.37973.98522.89402.19953.86643.35591.07292.79334.79003.8912

picture of Dewar Benzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 121.625 C1 C2 H7 85.575
C1 C2 H8 85.575 C1 C5 H8 94.425
C1 C5 H9 132.141 C1 C6 H7 94.425
C1 C6 H10 132.141 C2 C1 C3 121.625
C2 C1 C5 85.575 C2 C1 C6 85.575
C2 H7 C6 94.425 C2 H7 H11 132.141
C2 H8 C5 94.425 C2 H8 H12 132.141
C3 C1 C5 118.675 C3 C1 C6 118.675
C4 C2 H7 118.675 C4 C2 H8 118.675
C5 C1 C6 117.100 C5 H8 H12 133.365
C6 H7 H11 133.365 H7 C6 H10 133.365
H8 C5 H9 133.365
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 0.077      
2 C 0.077      
3 H 0.050      
4 H 0.050      
5 C -0.156      
6 C -0.156      
7 C -0.156      
8 C -0.156      
9 H 0.092      
10 H 0.092      
11 H 0.092      
12 H 0.092      


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 -0.096 0.096
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.116 0.000 0.000
y 0.000 -32.795 0.000
z 0.000 0.000 -36.737
Traceless
 xyz
x -1.350 0.000 0.000
y 0.000 3.631 0.000
z 0.000 0.000 -2.282
Polar
3z2-r2-4.563
x2-y2-3.321
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.234 0.000 0.000
y 0.000 9.940 0.000
z 0.000 0.000 7.009


<r2> (average value of r2) Å2
<r2> 117.823
(<r2>)1/2 10.855