return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-232.026475
Energy at 298.15K 
HF Energy-232.026475
Nuclear repulsion energy206.309303
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 BLYP/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3125 3119 11.27 360.20 0.03 0.07
2 A1 3021 3015 35.53 190.97 0.11 0.20
3 A1 1559 1556 0.06 71.99 0.01 0.02
4 A1 1124 1122 3.96 32.93 0.10 0.19
5 A1 989 988 2.24 8.39 0.66 0.80
6 A1 899 898 4.84 12.15 0.20 0.33
7 A1 819 818 0.62 4.54 0.50 0.66
8 A1 769 767 78.65 3.87 0.02 0.04
9 A1 372 371 5.27 5.58 0.53 0.69
10 A2 3091 3085 0.00 208.97 0.75 0.86
11 A2 1230 1227 0.00 5.89 0.75 0.86
12 A2 1162 1160 0.00 10.58 0.75 0.86
13 A2 910 908 0.00 1.82 0.75 0.86
14 A2 855 853 0.00 1.76 0.75 0.86
15 A2 760 758 0.00 1.87 0.75 0.86
16 A2 327 326 0.00 0.83 0.75 0.86
17 B1 3122 3116 49.51 84.13 0.75 0.86
18 B1 1533 1530 17.67 0.21 0.75 0.86
19 B1 1153 1151 1.37 2.79 0.75 0.86
20 B1 1058 1056 0.26 0.29 0.75 0.86
21 B1 955 953 0.57 5.94 0.75 0.86
22 B1 676 675 46.62 1.01 0.75 0.86
23 B2 3093 3087 34.90 56.10 0.75 0.86
24 B2 3016 3010 18.95 138.75 0.75 0.86
25 B2 1245 1243 36.58 0.01 0.75 0.86
26 B2 1109 1107 7.05 0.12 0.75 0.86
27 B2 910 908 7.72 0.12 0.75 0.86
28 B2 882 880 0.53 1.49 0.75 0.86
29 B2 787 786 10.93 0.14 0.75 0.86
30 B2 467 467 4.10 2.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20507.2 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 20468.3 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 BLYP/aug-cc-pVDZ
ABC
0.25585 0.14572 0.11343

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.798 0.526
C2 0.000 -0.798 0.526
H3 0.000 1.370 1.470
H4 0.000 -1.370 1.470
C5 -1.319 0.678 -0.266
C6 1.319 0.678 -0.266
C7 1.319 -0.678 -0.266
C8 -1.319 -0.678 -0.266
H9 -1.974 1.435 -0.716
H10 1.974 1.435 -0.716
H11 1.974 -1.435 -0.716
H12 -1.974 -1.435 -0.716

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.59641.10352.36481.54351.54352.13212.13212.41752.41753.22873.2287
C21.59642.36481.10352.13212.13211.54351.54353.22873.22872.41752.4175
H31.10352.36482.74032.28792.28792.99132.99132.94612.94614.06724.0672
H42.36481.10352.74032.99132.99132.28792.28794.06724.06722.94612.9461
C51.54352.13212.28792.99132.63792.96571.35521.09733.40833.93762.2566
C61.54352.13212.28792.99132.63791.35522.96573.40831.09732.25663.9376
C72.13211.54352.99132.28792.96571.35522.63793.93762.25661.09733.4083
C82.13211.54352.99132.28791.35522.96572.63792.25663.93763.40831.0973
H92.41753.22872.94614.06721.09733.40833.93762.25663.94744.87992.8690
H102.41753.22872.94614.06723.40831.09732.25663.93763.94742.86904.8799
H113.22872.41754.06722.94613.93762.25661.09733.40834.87992.86903.9474
H123.22872.41754.06722.94612.25663.93763.40831.09732.86904.87993.9474

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 121.219 C1 C2 H7 85.519
C1 C2 H8 85.519 C1 C5 H8 94.481
C1 C5 H9 131.803 C1 C6 H7 94.481
C1 C6 H10 131.803 C2 C1 C3 121.219
C2 C1 C5 85.519 C2 C1 C6 85.519
C2 H7 C6 94.481 C2 H7 H11 131.803
C2 H8 C5 94.481 C2 H8 H12 131.803
C3 C1 C5 118.664 C3 C1 C6 118.664
C4 C2 H7 118.664 C4 C2 H8 118.664
C5 C1 C6 117.409 C5 H8 H12 133.614
C6 H7 H11 133.614 H7 C6 H10 133.614
H8 C5 H9 133.614
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.217      
2 C 1.217      
3 H -0.756      
4 H -0.756      
5 C 0.358      
6 C 0.358      
7 C 0.358      
8 C 0.358      
9 H -0.589      
10 H -0.589      
11 H -0.589      
12 H -0.589      


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 -0.009 0.009
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.841 0.000 0.000
y 0.000 -33.887 0.000
z 0.000 0.000 -37.004
Traceless
 xyz
x -1.395 0.000 0.000
y 0.000 3.035 0.000
z 0.000 0.000 -1.640
Polar
3z2-r2-3.280
x2-y2-2.954
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.324 0.000 0.000
y 0.000 10.977 0.000
z 0.000 0.000 8.359


<r2> (average value of r2) Å2
<r2> 121.814
(<r2>)1/2 11.037