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All results from a given calculation for C8H6 (Calicene)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-307.512934
Energy at 298.15K-307.517677
HF Energy-306.322145
Nuclear repulsion energy300.226972
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 MP2/6-31G(2df,p)
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 3357 3170 16.55      
2 A1 3289 3107 8.06      
3 A1 3267 3085 2.19      
4 A1 1854 1751 542.52      
5 A1 1569 1482 57.50      
6 A1 1495 1412 36.39      
7 A1 1414 1336 95.96      
8 A1 1226 1158 28.25      
9 A1 1087 1027 12.80      
10 A1 1043 985 9.54      
11 A1 966 913 7.93      
12 A1 887 838 36.51      
13 A1 488 461 0.21      
14 A2 920 869 0.00      
15 A2 878 829 0.00      
16 A2 691 652 0.00      
17 A2 581 549 0.00      
18 A2 213 202 0.00      
19 B1 864 816 0.38      
20 B1 761 719 72.06      
21 B1 733 692 39.54      
22 B1 627 592 2.10      
23 B1 440 415 7.37      
24 B1 130 123 5.36      
25 B2 3317 3133 10.27      
26 B2 3282 3100 12.69      
27 B2 3257 3077 1.49      
28 B2 1565 1478 0.42      
29 B2 1358 1283 0.02      
30 B2 1237 1169 0.49      
31 B2 1122 1059 11.79      
32 B2 1099 1038 8.38      
33 B2 954 901 7.83      
34 B2 825 779 1.26      
35 B2 500 472 1.26      
36 B2 143 135 1.54      

Unscaled Zero Point Vibrational Energy (zpe) 23718.3 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 22401.9 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 MP2/6-31G(2df,p)
ABC
0.22623 0.04774 0.03942

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.048
C2 0.000 0.000 1.300
C3 0.000 0.666 2.563
C4 0.000 -0.666 2.563
C5 0.000 1.170 -0.904
C6 0.000 -1.170 -0.904
C7 0.000 0.725 -2.199
C8 0.000 -0.725 -2.199
H9 0.000 1.583 3.126
H10 0.000 -1.583 3.126
H11 0.000 2.193 -0.556
H12 0.000 -2.193 -0.556
H13 0.000 1.344 -3.085
H14 0.000 -1.344 -3.085

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.34772.69482.69481.44991.44992.26942.26943.54713.54712.25122.25123.32123.3212
C21.34771.42831.42832.49522.49523.57263.57262.41722.41722.87272.87274.58624.5862
C32.69481.42831.33233.50353.92344.76214.96071.07622.31893.47254.23115.68875.9953
C42.69481.42831.33233.92343.50354.96074.76212.31891.07624.23113.47255.99535.6887
C51.44992.49523.50353.92342.34061.36922.29504.05124.88101.08073.38152.18803.3287
C61.44992.49523.92343.50352.34062.29501.36924.88104.05123.38151.08073.32872.1880
C72.26943.57264.76214.96071.36922.29501.44955.39355.80352.20373.34871.08152.2509
C82.26943.57264.96074.76212.29501.36921.44955.80355.39353.34872.20372.25091.0815
H93.54712.41721.07622.31894.05124.88105.39355.80353.16663.73195.27426.21576.8665
H103.54712.41722.31891.07624.88104.05125.80355.39353.16665.27423.73196.86656.2157
H112.25122.87273.47254.23111.08073.38152.20373.34873.73195.27424.38642.66814.3488
H122.25122.87274.23113.47253.38151.08073.34872.20375.27423.73194.38644.34882.6681
H133.32124.58625.68875.99532.18803.32871.08152.25096.21576.86652.66814.34882.6886
H143.32124.58625.99535.68873.32872.18802.25091.08156.86656.21574.34882.66812.6886

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.198 C1 C2 C4 152.198
C1 C5 C7 107.191 C1 C5 H11 125.009
C1 C6 C8 107.191 C1 C6 H12 125.009
C2 C1 C5 126.182 C2 C1 C6 126.182
C2 C3 C4 62.198 C2 C3 H9 149.348
C2 C4 C3 62.198 C2 C4 H10 149.348
C3 C2 C4 55.604 C3 C4 H10 148.454
C4 C3 H9 148.454 C5 C1 C6 107.636
C5 C7 C8 108.991 C5 C7 H13 126.056
C6 C8 C7 108.991 C6 C8 H14 126.056
C7 C5 H11 127.800 C7 C8 H14 124.953
C8 C6 H12 127.800 C8 C7 H13 124.953
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability