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

using model chemistry: HF/6-311G*

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/6-311G*
 hartrees
Energy at 0K-230.605816
Energy at 298.15K 
HF Energy-230.605816
Nuclear repulsion energy209.896847
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/6-311G*
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 3376 3054 10.98 246.33 0.04 0.07
2 A1 3262 2950 65.26 147.12 0.15 0.26
3 A1 1770 1601 0.10 43.85 0.10 0.18
4 A1 1305 1180 4.79 23.55 0.15 0.27
5 A1 1145 1036 1.00 13.26 0.54 0.70
6 A1 1025 927 25.79 12.39 0.27 0.42
7 A1 945 855 0.10 5.42 0.68 0.81
8 A1 890 805 80.84 7.80 0.06 0.11
9 A1 420 380 5.67 8.26 0.60 0.75
10 A2 3340 3020 0.00 161.60 0.75 0.86
11 A2 1432 1295 0.00 7.28 0.75 0.86
12 A2 1328 1201 0.00 8.56 0.75 0.86
13 A2 1055 954 0.00 0.82 0.75 0.86
14 A2 1024 926 0.00 0.94 0.75 0.86
15 A2 858 776 0.00 4.11 0.75 0.86
16 A2 365 330 0.00 2.56 0.75 0.86
17 B1 3373 3051 54.53 64.02 0.75 0.86
18 B1 1742 1575 10.38 0.85 0.75 0.86
19 B1 1355 1225 8.95 0.29 0.75 0.86
20 B1 1192 1078 0.21 0.11 0.75 0.86
21 B1 1075 972 1.82 9.75 0.75 0.86
22 B1 796 720 47.50 2.66 0.75 0.86
23 B2 3341 3022 46.33 44.00 0.75 0.86
24 B2 3252 2941 31.50 127.49 0.75 0.86
25 B2 1424 1288 41.82 0.01 0.75 0.86
26 B2 1289 1166 6.38 0.80 0.75 0.86
27 B2 1076 973 3.42 3.35 0.75 0.86
28 B2 1023 925 6.08 0.04 0.75 0.86
29 B2 914 827 10.54 1.32 0.75 0.86
30 B2 542 491 7.98 4.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22967.1 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 20771.4 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/6-311G*
ABC
0.26669 0.14950 0.11729

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.779 0.523
C2 0.000 -0.779 0.523
H3 0.000 1.344 1.445
H4 0.000 -1.344 1.445
C5 -1.302 0.661 -0.265
C6 1.302 0.661 -0.265
C7 1.302 -0.661 -0.265
C8 -1.302 -0.661 -0.265
H9 -1.948 1.400 -0.703
H10 1.948 1.400 -0.703
H11 1.948 -1.400 -0.703
H12 -1.948 -1.400 -0.703

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.55751.08192.31471.52591.52592.09482.09482.38432.38433.16953.1695
C21.55752.31471.08192.09482.09481.52591.52593.16953.16952.38432.3843
H31.08192.31472.68842.25492.25492.93942.93942.90072.90073.99273.9927
H42.31471.08192.68842.93942.93942.25492.25493.99273.99272.90072.9007
C51.52592.09482.25492.93942.60342.92011.32251.07523.36173.87352.2043
C61.52592.09482.25492.93942.60341.32252.92013.36171.07522.20433.8735
C72.09481.52592.93942.25492.92011.32252.60343.87352.20431.07523.3617
C82.09481.52592.93942.25491.32252.92012.60342.20433.87353.36171.0752
H92.38433.16952.90073.99271.07523.36173.87352.20433.89674.79842.8000
H102.38433.16952.90073.99273.36171.07522.20433.87353.89672.80004.7984
H113.16952.38433.99272.90073.87352.20431.07523.36174.79842.80003.8967
H123.16952.38433.99272.90072.20433.87353.36171.07522.80004.79843.8967

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 121.509 C1 C2 H7 85.585
C1 C2 H8 85.585 C1 C5 H8 94.415
C1 C5 H9 132.113 C1 C6 H7 94.415
C1 C6 H10 132.113 C2 C1 C3 121.509
C2 C1 C5 85.585 C2 C1 C6 85.585
C2 H7 C6 94.415 C2 H7 H11 132.113
C2 H8 C5 94.415 C2 H8 H12 132.113
C3 C1 C5 118.699 C3 C1 C6 118.699
C4 C2 H7 118.699 C4 C2 H8 118.699
C5 C1 C6 117.097 C5 H8 H12 133.397
C6 H7 H11 133.397 H7 C6 H10 133.397
H8 C5 H9 133.397
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.258      
2 C -0.258      
3 H 0.218      
4 H 0.218      
5 C -0.181      
6 C -0.181      
7 C -0.181      
8 C -0.181      
9 H 0.201      
10 H 0.201      
11 H 0.201      
12 H 0.201      


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 -0.092 0.092
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.802 0.000 0.000
y 0.000 -32.913 0.000
z 0.000 0.000 -36.708
Traceless
 xyz
x -0.992 0.000 0.000
y 0.000 3.342 0.000
z 0.000 0.000 -2.350
Polar
3z2-r2-4.700
x2-y2-2.889
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.389 0.000 0.000
y 0.000 9.592 0.000
z 0.000 0.000 6.047


<r2> (average value of r2) Å2
<r2> 118.139
(<r2>)1/2 10.869