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All results from a given calculation for C8H6 (Calicene)

using model chemistry: MP2/CEP-121G

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-121G
 hartrees
Energy at 0K-47.790722
Energy at 298.15K 
HF Energy-47.099852
Nuclear repulsion energy143.694305
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-121G
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 3246 3168 1.77      
2 A1 3179 3103 30.46      
3 A1 3149 3073 8.63      
4 A1 1762 1720 564.36      
5 A1 1462 1426 47.90      
6 A1 1442 1408 10.39      
7 A1 1381 1348 87.79      
8 A1 1171 1143 45.52      
9 A1 1089 1063 10.31      
10 A1 1005 981 7.15      
11 A1 950 927 1.42      
12 A1 869 849 53.56      
13 A1 466 454 1.59      
14 A2 731 713 0.00      
15 A2 624 609 0.00      
16 A2 493 481 0.00      
17 A2 195 190 0.00      
18 A2 322i 314i 0.00      
19 B1 675 659 7.22      
20 B1 597 582 149.40      
21 B1 512 500 70.40      
22 B1 360 351 0.08      
23 B1 140 136 7.49      
24 B1 368i 359i 7.66      
25 B2 3204 3127 0.85      
26 B2 3166 3090 45.22      
27 B2 3140 3065 0.08      
28 B2 1509 1473 1.82      
29 B2 1328 1296 0.05      
30 B2 1222 1193 0.50      
31 B2 1098 1071 23.09      
32 B2 1090 1064 0.03      
33 B2 886 865 9.32      
34 B2 831 811 1.19      
35 B2 483 471 1.75      
36 B2 142 139 1.40      

Unscaled Zero Point Vibrational Energy (zpe) 21452.2 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 20937.4 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-121G
ABC
0.21522 0.04513 0.03731

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.050
C2 0.000 0.000 1.325
C3 0.000 0.688 2.641
C4 0.000 -0.688 2.641
C5 0.000 1.200 -0.934
C6 0.000 -1.200 -0.934
C7 0.000 0.746 -2.259
C8 0.000 -0.746 -2.259
H9 0.000 1.607 3.219
H10 0.000 -1.607 3.219
H11 0.000 2.235 -0.584
H12 0.000 -2.235 -0.584
H13 0.000 1.373 -3.153
H14 0.000 -1.373 -3.153

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.37432.77752.77751.49051.49052.33192.33193.64243.64242.29762.29763.39373.3937
C21.37431.48561.48562.55752.55753.66053.66052.48432.48432.93882.93884.68364.6836
C32.77751.48561.37563.61184.04304.90085.10581.08582.36663.57724.35255.83506.1502
C42.77751.48561.37564.04303.61185.10584.90082.36661.08584.35253.57726.15025.8350
C51.49052.55753.61184.04302.39971.40082.35414.17285.01261.09223.45222.22613.3977
C61.49052.55754.04303.61182.39972.35411.40085.01264.17283.45221.09223.39772.2261
C72.33193.66054.90085.10581.40082.35411.49175.54535.96202.24093.41881.09222.2997
C82.33193.66055.10584.90082.35411.40081.49175.96205.54533.41882.24092.29971.0922
H93.64242.48431.08582.36664.17285.01265.54535.96203.21453.85455.40586.37657.0347
H103.64242.48432.36661.08585.01264.17285.96205.54533.21455.40583.85457.03476.3765
H112.29762.93883.57724.35251.09223.45222.24093.41883.85455.40584.46912.70984.4288
H122.29762.93884.35253.57723.45221.09223.41882.24095.40583.85454.46914.42882.7098
H133.39374.68365.83506.15022.22613.39771.09222.29976.37657.03472.70984.42882.7458
H143.39374.68366.15025.83503.39772.22612.29971.09227.03476.37654.42882.70982.7458

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.420 C1 C2 C4 152.420
C1 C5 C7 107.477 C1 C5 H11 124.933
C1 C6 C8 107.477 C1 C6 H12 124.933
C2 C1 C5 126.390 C2 C1 C6 126.390
C2 C3 C4 62.420 C2 C3 H9 149.715
C2 C4 C3 62.420 C2 C4 H10 149.715
C3 C2 C4 55.160 C3 C4 H10 147.864
C4 C3 H9 147.864 C5 C1 C6 107.221
C5 C7 C8 108.912 C5 C7 H13 126.047
C6 C8 C7 108.912 C6 C8 H14 126.047
C7 C5 H11 127.590 C7 C8 H14 125.040
C8 C6 H12 127.590 C8 C7 H13 125.040
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability