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

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-230.725613
Energy at 298.15K 
HF Energy-230.725613
Nuclear repulsion energy208.188636
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 B1B95/3-21G
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 3294 3152 4.54 223.44 0.02 0.04
2 A1 3206 3067 14.96 110.76 0.18 0.31
3 A1 1635 1564 0.24 23.18 0.06 0.12
4 A1 1181 1130 7.59 19.22 0.22 0.36
5 A1 1053 1007 4.78 12.58 0.75 0.86
6 A1 954 912 8.34 12.07 0.26 0.41
7 A1 860 823 0.52 7.34 0.75 0.86
8 A1 837 801 86.53 7.06 0.11 0.19
9 A1 396 379 4.53 12.45 0.64 0.78
10 A2 3253 3113 0.00 132.71 0.75 0.86
11 A2 1295 1239 0.00 1.99 0.75 0.86
12 A2 1211 1158 0.00 13.97 0.75 0.86
13 A2 978 936 0.00 0.02 0.75 0.86
14 A2 936 896 0.00 0.08 0.75 0.86
15 A2 812 777 0.00 5.31 0.75 0.86
16 A2 351 336 0.00 3.42 0.75 0.86
17 B1 3290 3147 28.58 48.60 0.75 0.86
18 B1 1607 1538 5.44 2.56 0.75 0.86
19 B1 1207 1155 0.01 3.59 0.75 0.86
20 B1 1112 1064 0.39 0.37 0.75 0.86
21 B1 992 949 1.65 8.99 0.75 0.86
22 B1 755 723 66.25 3.06 0.75 0.86
23 B2 3256 3115 13.24 35.85 0.75 0.86
24 B2 3196 3057 6.61 110.10 0.75 0.86
25 B2 1312 1255 36.35 0.01 0.75 0.86
26 B2 1155 1105 13.23 0.72 0.75 0.86
27 B2 997 954 5.04 0.68 0.75 0.86
28 B2 966 925 2.57 0.01 0.75 0.86
29 B2 849 812 10.79 2.54 0.75 0.86
30 B2 499 477 5.65 7.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21723.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 20782.6 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 B1B95/3-21G
ABC
0.25321 0.15052 0.11790

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.800 0.557
C2 0.000 -0.800 0.557
H3 0.000 1.375 1.478
H4 0.000 -1.375 1.478
C5 -1.287 0.670 -0.278
C6 1.287 0.670 -0.278
C7 1.287 -0.670 -0.278
C8 -1.287 -0.670 -0.278
H9 -1.913 1.414 -0.742
H10 1.913 1.414 -0.742
H11 1.913 -1.414 -0.742
H12 -1.913 -1.414 -0.742

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.60011.08512.36191.53961.53962.12472.12472.39312.39313.20203.2020
C21.60012.36191.08512.12472.12471.53961.53963.20203.20202.39312.3931
H31.08512.36192.75042.28812.28812.98672.98672.93092.93094.04594.0459
H42.36191.08512.75042.98672.98672.28812.28814.04594.04592.93092.9309
C51.53962.12472.28812.98672.57312.90101.33981.07803.31773.84672.2253
C61.53962.12472.28812.98672.57311.33982.90103.31771.07802.22533.8467
C72.12471.53962.98672.28812.90101.33982.57313.84672.22531.07803.3177
C82.12471.53962.98672.28811.33982.90102.57312.22533.84673.31771.0780
H92.39313.20202.93094.04591.07803.31773.84672.22533.82624.75812.8284
H102.39313.20202.93094.04593.31771.07802.22533.84673.82622.82844.7581
H113.20202.39314.04592.93093.84672.22531.07803.31774.75812.82843.8262
H123.20202.39314.04592.93092.22533.84673.31771.07802.82844.75813.8262

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 122.006 C1 C2 H7 85.151
C1 C2 H8 85.151 C1 C5 H8 94.849
C1 C5 H9 131.383 C1 C6 H7 94.849
C1 C6 H10 131.383 C2 C1 C3 122.006
C2 C1 C5 85.151 C2 C1 C6 85.151
C2 H7 C6 94.849 C2 H7 H11 131.383
C2 H8 C5 94.849 C2 H8 H12 131.383
C3 C1 C5 120.335 C3 C1 C6 120.335
C4 C2 H7 120.335 C4 C2 H8 120.335
C5 C1 C6 113.362 C5 H8 H12 133.663
C6 H7 H11 133.663 H7 C6 H10 133.663
H8 C5 H9 133.663
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.341      
2 C -0.341      
3 H 0.218      
4 H 0.218      
5 C -0.136      
6 C -0.136      
7 C -0.136      
8 C -0.136      
9 H 0.197      
10 H 0.197      
11 H 0.197      
12 H 0.197      


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 -0.055 0.055
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.181 0.000 0.000
y 0.000 -32.551 0.000
z 0.000 0.000 -35.773
Traceless
 xyz
x -1.019 0.000 0.000
y 0.000 2.926 0.000
z 0.000 0.000 -1.907
Polar
3z2-r2-3.813
x2-y2-2.630
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.541 0.000 0.000
y 0.000 8.794 0.000
z 0.000 0.000 5.167


<r2> (average value of r2) Å2
<r2> 118.305
(<r2>)1/2 10.877