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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/3-21G*
 hartrees
Energy at 0K-230.486869
Energy at 298.15K 
HF Energy-230.301875
Nuclear repulsion energy206.670550
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 B2PLYP=FULL/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 3281 3281 5.11 225.31 0.02 0.05
2 A1 3198 3198 18.74 107.23 0.19 0.32
3 A1 1589 1589 0.09 17.61 0.05 0.09
4 A1 1172 1172 5.04 19.95 0.26 0.41
5 A1 1053 1053 5.56 13.26 0.73 0.84
6 A1 935 935 11.75 12.19 0.26 0.41
7 A1 828 828 45.08 10.35 0.34 0.51
8 A1 816 816 29.04 4.62 0.28 0.43
9 A1 395 395 4.04 12.76 0.64 0.78
10 A2 3242 3242 0.00 133.98 0.75 0.86
11 A2 1300 1300 0.00 1.03 0.75 0.86
12 A2 1227 1227 0.00 13.98 0.75 0.86
13 A2 952 952 0.00 0.01 0.75 0.86
14 A2 913 913 0.00 0.05 0.75 0.86
15 A2 808 808 0.00 5.70 0.75 0.86
16 A2 354 354 0.00 3.32 0.75 0.86
17 B1 3276 3276 32.34 49.31 0.75 0.86
18 B1 1565 1565 6.19 2.23 0.75 0.86
19 B1 1224 1224 0.26 4.29 0.75 0.86
20 B1 1118 1118 0.07 0.81 0.75 0.86
21 B1 970 970 2.98 9.00 0.75 0.86
22 B1 746 746 57.97 2.97 0.75 0.86
23 B2 3244 3244 16.87 36.80 0.75 0.86
24 B2 3189 3189 7.92 106.30 0.75 0.86
25 B2 1318 1318 32.30 0.02 0.75 0.86
26 B2 1153 1153 12.12 1.00 0.75 0.86
27 B2 981 981 7.54 0.32 0.75 0.86
28 B2 956 956 0.16 0.17 0.75 0.86
29 B2 832 832 7.01 2.71 0.75 0.86
30 B2 496 496 5.91 7.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21564.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 21564.3 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 B2PLYP=FULL/3-21G*
ABC
0.25047 0.14790 0.11565

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.811 0.557
C2 0.000 -0.811 0.557
H3 0.000 1.386 1.477
H4 0.000 -1.386 1.477
C5 -1.301 0.674 -0.278
C6 1.301 0.674 -0.278
C7 1.301 -0.674 -0.278
C8 -1.301 -0.674 -0.278
H9 -1.931 1.416 -0.743
H10 1.931 1.416 -0.743
H11 1.931 -1.416 -0.743
H12 -1.931 -1.416 -0.743

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.62151.08562.38161.55111.55112.14302.14302.40482.40483.22113.2211
C21.62152.38161.08562.14302.14301.55111.55113.22113.22112.40482.4048
H31.08562.38162.77112.29732.29733.00243.00242.94272.94274.06304.0630
H42.38161.08562.77113.00243.00242.29732.29734.06304.06302.94272.9427
C51.55112.14302.29733.00242.60122.93001.34841.07903.34783.87642.2323
C61.55112.14302.29733.00242.60121.34842.93003.34781.07902.23233.8764
C72.14301.55113.00242.29732.93001.34842.60123.87642.23231.07903.3478
C82.14301.55113.00242.29731.34842.93002.60122.23233.87643.34781.0790
H92.40483.22112.94274.06301.07903.34783.87642.23233.86104.78842.8323
H102.40483.22112.94274.06303.34781.07902.23233.87643.86102.83234.7884
H113.22112.40484.06302.94273.87642.23231.07903.34784.78842.83233.8610
H123.22112.40484.06302.94272.23233.87643.34781.07902.83234.78843.8610

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 121.970 C1 C2 H7 84.949
C1 C2 H8 84.949 C1 C5 H8 95.051
C1 C5 H9 131.384 C1 C6 H7 95.051
C1 C6 H10 131.384 C2 C1 C3 121.970
C2 C1 C5 84.949 C2 C1 C6 84.949
C2 H7 C6 95.051 C2 H7 H11 131.384
C2 H8 C5 95.051 C2 H8 H12 131.384
C3 C1 C5 120.183 C3 C1 C6 120.183
C4 C2 H7 120.183 C4 C2 H8 120.183
C5 C1 C6 113.970 C5 H8 H12 133.443
C6 H7 H11 133.443 H7 C6 H10 133.443
H8 C5 H9 133.443
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability