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

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-231.408141
Energy at 298.15K 
HF Energy-230.602979
Nuclear repulsion energy208.398548
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 MP2/6-311G*
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 3240 3079 8.64 278.03 0.04 0.07
2 A1 3148 2991 29.77 148.27 0.14 0.24
3 A1 1585 1506 0.22 15.13 0.02 0.05
4 A1 1181 1123 5.22 20.24 0.14 0.25
5 A1 1043 991 1.98 9.30 0.74 0.85
6 A1 970 922 4.63 9.28 0.26 0.41
7 A1 883 839 0.86 5.24 0.73 0.84
8 A1 814 774 84.08 4.94 0.08 0.15
9 A1 390 370 5.51 9.79 0.64 0.78
10 A2 3207 3048 0.00 164.96 0.75 0.86
11 A2 1299 1235 0.00 5.96 0.75 0.86
12 A2 1214 1153 0.00 8.82 0.75 0.86
13 A2 978 930 0.00 0.31 0.75 0.86
14 A2 882 839 0.00 0.41 0.75 0.86
15 A2 775 736 0.00 2.08 0.75 0.86
16 A2 319 304 0.00 2.02 0.75 0.86
17 B1 3238 3077 42.01 69.67 0.75 0.86
18 B1 1561 1483 5.67 1.49 0.75 0.86
19 B1 1228 1167 1.75 1.71 0.75 0.86
20 B1 1115 1059 0.76 0.20 0.75 0.86
21 B1 1026 975 0.00 7.04 0.75 0.86
22 B1 717 681 54.69 3.97 0.75 0.86
23 B2 3209 3049 25.73 46.64 0.75 0.86
24 B2 3141 2985 12.27 116.17 0.75 0.86
25 B2 1301 1237 37.86 0.02 0.75 0.86
26 B2 1166 1108 7.33 0.71 0.75 0.86
27 B2 930 884 9.16 0.02 0.75 0.86
28 B2 912 866 4.39 0.88 0.75 0.86
29 B2 830 789 8.35 0.72 0.75 0.86
30 B2 479 455 4.83 5.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21390.0 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 20326.9 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 MP2/6-311G*
ABC
0.25855 0.14973 0.11644

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.789 0.527
C2 0.000 -0.789 0.527
H3 0.000 1.346 1.468
H4 0.000 -1.346 1.468
C5 -1.299 0.676 -0.266
C6 1.299 0.676 -0.266
C7 1.299 -0.676 -0.266
C8 -1.299 -0.676 -0.266
H9 -1.938 1.426 -0.722
H10 1.938 1.426 -0.722
H11 1.938 -1.426 -0.722
H12 -1.938 -1.426 -0.722

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12
C11.57771.09292.33271.52571.52572.11182.11182.39262.39263.19743.1974
C21.57772.33271.09292.11182.11181.52571.52573.19743.19742.39262.3926
H31.09292.33272.69192.26712.26712.96262.96262.92572.92574.02944.0294
H42.33271.09292.69192.96262.96262.26712.26714.02944.02942.92572.9257
C51.52572.11182.26712.96262.59702.92761.35131.08663.35393.88622.2437
C61.52572.11182.26712.96262.59701.35132.92763.35391.08662.24373.8862
C72.11181.52572.96262.26712.92761.35132.59703.88622.24371.08663.3539
C82.11181.52572.96262.26711.35132.92762.59702.24373.88623.35391.0866
H92.39263.19742.92574.02941.08663.35393.88622.24373.87684.81262.8516
H102.39263.19742.92574.02943.35391.08662.24373.88623.87682.85164.8126
H113.19742.39264.02942.92573.88622.24371.08663.35394.81262.85163.8768
H123.19742.39264.02942.92572.24373.88623.35391.08662.85164.81263.8768

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 120.645 C1 C2 H7 85.744
C1 C2 H8 85.744 C1 C5 H8 94.256
C1 C5 H9 131.942 C1 C6 H7 94.256
C1 C6 H10 131.942 C2 C1 C3 120.645
C2 C1 C5 85.744 C2 C1 C6 85.744
C2 H7 C6 94.256 C2 H7 H11 131.942
C2 H8 C5 94.256 C2 H8 H12 131.942
C3 C1 C5 119.011 C3 C1 C6 119.011
C4 C2 H7 119.011 C4 C2 H8 119.011
C5 C1 C6 116.662 C5 H8 H12 133.660
C6 H7 H11 133.660 H7 C6 H10 133.660
H8 C5 H9 133.660
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability