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All results from a given calculation for C8H6 (Calicene)

using model chemistry: MP2/CEP-31G

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/CEP-31G
 hartrees
Energy at 0K-47.701728
Energy at 298.15K-47.706095
HF Energy-47.072812
Nuclear repulsion energy142.383053
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/CEP-31G
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 3293 3182 1.78      
2 A1 3221 3112 28.53      
3 A1 3189 3081 8.46      
4 A1 1789 1728 537.22      
5 A1 1475 1425 53.94      
6 A1 1451 1402 10.98      
7 A1 1379 1333 72.33      
8 A1 1171 1132 40.22      
9 A1 1087 1051 8.51      
10 A1 1009 975 7.46      
11 A1 944 912 4.91      
12 A1 865 836 48.52      
13 A1 465 449 1.65      
14 A2 826 798 0.00      
15 A2 801 774 0.00      
16 A2 673 651 0.00      
17 A2 564 545 0.00      
18 A2 202 196 0.00      
19 B1 830 802 0.12      
20 B1 714 690 232.92      
21 B1 637 615 47.62      
22 B1 570 550 6.18      
23 B1 366 354 11.46      
24 B1 144 139 8.01      
25 B2 3253 3143 1.02      
26 B2 3206 3098 36.74      
27 B2 3176 3069 1.00      
28 B2 1518 1467 1.77      
29 B2 1331 1287 0.19      
30 B2 1227 1186 0.44      
31 B2 1092 1056 20.00      
32 B2 1077 1041 2.51      
33 B2 880 850 13.49      
34 B2 823 795 1.16      
35 B2 469 454 2.00      
36 B2 139 134 1.42      

Unscaled Zero Point Vibrational Energy (zpe) 22928.0 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 22155.3 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 MP2/CEP-31G
ABC
0.21128 0.04428 0.03660

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.054
C2 0.000 0.000 1.339
C3 0.000 0.699 2.667
C4 0.000 -0.699 2.667
C5 0.000 1.210 -0.942
C6 0.000 -1.210 -0.942
C7 0.000 0.751 -2.281
C8 0.000 -0.751 -2.281
H9 0.000 1.624 3.246
H10 0.000 -1.624 3.246
H11 0.000 2.249 -0.589
H12 0.000 -2.249 -0.589
H13 0.000 1.380 -3.180
H14 0.000 -1.380 -3.180

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.39262.80982.80981.50091.50092.35022.35023.67763.67762.31192.31193.41733.4173
C21.39261.50161.50162.58152.58153.69663.69662.50482.50482.96232.96234.72484.7248
C32.80981.50161.39873.64514.08324.94865.15651.09062.39423.60664.39315.88716.2064
C42.80981.50161.39874.08323.64515.15654.94862.39421.09064.39313.60666.20645.8871
C51.50092.58153.64514.08322.42061.41582.37504.20765.05631.09693.47732.24503.4237
C61.50092.58154.08323.64512.42062.37501.41585.05634.20763.47731.09693.42372.2450
C72.35023.69664.94865.15651.41582.37501.50225.59506.01522.25963.44431.09752.3133
C82.35023.69665.15654.94862.37501.41581.50226.01525.59503.44432.25962.31331.0975
H93.67762.50481.09062.39424.20765.05635.59506.01523.24813.88545.45046.43047.0934
H103.67762.50482.39421.09065.05634.20766.01525.59503.24815.45043.88547.09346.4304
H112.31192.96233.60664.39311.09693.47732.25963.44433.88545.45044.49822.73284.4593
H122.31192.96234.39313.60663.47731.09693.44432.25965.45043.88544.49824.45932.7328
H133.41734.72485.88716.20642.24503.42371.09752.31336.43047.09342.73284.45932.7604
H143.41734.72486.20645.88713.42372.24502.31331.09757.09346.43044.45932.73282.7604

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.243 C1 C2 C4 152.243
C1 C5 C7 107.331 C1 C5 H11 125.003
C1 C6 C8 107.331 C1 C6 H12 125.003
C2 C1 C5 126.257 C2 C1 C6 126.257
C2 C3 C4 62.243 C2 C3 H9 149.770
C2 C4 C3 62.243 C2 C4 H10 149.770
C3 C2 C4 55.513 C3 C4 H10 147.987
C4 C3 H9 147.987 C5 C1 C6 107.486
C5 C7 C8 108.926 C5 C7 H13 126.100
C6 C8 C7 108.926 C6 C8 H14 126.100
C7 C5 H11 127.666 C7 C8 H14 124.974
C8 C6 H12 127.666 C8 C7 H13 124.974
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability