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All results from a given calculation for C8H6 (Calicene)

using model chemistry: MP2=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 MP2=FULL/3-21G*
 hartrees
Energy at 0K-305.259766
Energy at 298.15K-305.264201
HF Energy-304.548229
Nuclear repulsion energy296.391013
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=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 3340 3167 4.18      
2 A1 3261 3092 16.56      
3 A1 3232 3064 1.40      
4 A1 1800 1707 447.55      
5 A1 1508 1430 21.78      
6 A1 1470 1394 21.38      
7 A1 1397 1324 71.20      
8 A1 1191 1129 40.80      
9 A1 1118 1060 1.82      
10 A1 997 946 12.51      
11 A1 950 901 1.30      
12 A1 889 843 58.12      
13 A1 475 450 3.07      
14 A2 841 797 0.00      
15 A2 828 785 0.00      
16 A2 660 626 0.00      
17 A2 576 546 0.00      
18 A2 214 203 0.00      
19 B1 850 806 1.44      
20 B1 695 659 142.09      
21 B1 614 582 30.19      
22 B1 573 543 20.23      
23 B1 356 338 4.73      
24 B1 122 116 5.68      
25 B2 3301 3130 5.10      
26 B2 3248 3079 20.12      
27 B2 3226 3058 0.01      
28 B2 1544 1464 0.14      
29 B2 1350 1280 0.46      
30 B2 1201 1139 0.06      
31 B2 1131 1073 22.70      
32 B2 1124 1066 0.61      
33 B2 895 848 3.69      
34 B2 863 818 0.71      
35 B2 488 463 1.67      
36 B2 153 145 1.40      

Unscaled Zero Point Vibrational Energy (zpe) 23241.6 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 22033.1 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=FULL/3-21G*
ABC
0.22020 0.04643 0.03835

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.039
C2 0.000 0.000 1.304
C3 0.000 0.674 2.605
C4 0.000 -0.674 2.605
C5 0.000 1.187 -0.924
C6 0.000 -1.187 -0.924
C7 0.000 0.741 -2.225
C8 0.000 -0.741 -2.225
H9 0.000 1.589 3.169
H10 0.000 -1.589 3.169
H11 0.000 2.214 -0.578
H12 0.000 -2.214 -0.578
H13 0.000 1.358 -3.116
H14 0.000 -1.358 -3.116

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.34262.72842.72841.48041.48042.30832.30833.57993.57992.27842.27843.36303.3630
C21.34261.46531.46532.52412.52413.60573.60572.45022.45022.90542.90544.62334.6233
C32.72841.46531.34743.56613.98934.83055.03301.07482.33153.53604.29755.76146.0706
C42.72841.46531.34743.98933.56615.03304.83052.33151.07484.29753.53606.07065.7614
C51.48042.52413.56613.98932.37351.37522.32584.11294.94531.08363.41792.19843.3583
C61.48042.52413.98933.56612.37352.32581.37524.94534.11293.41791.08363.35832.1984
C72.30833.60574.83055.03301.37522.32581.48245.46045.87582.20923.38281.08332.2801
C82.30833.60575.03304.83052.32581.37521.48245.87585.46043.38282.20922.28011.0833
H93.57992.45021.07482.33154.11294.94535.46045.87583.17703.79905.33846.28916.9412
H103.57992.45022.33151.07484.94534.11295.87585.46043.17705.33843.79906.94126.2891
H112.27842.90543.53604.29751.08363.41792.20923.38283.79905.33844.42732.67814.3811
H122.27842.90544.29753.53603.41791.08363.38282.20925.33843.79904.42734.38112.6781
H133.36304.62335.76146.07062.19843.35831.08332.28016.28916.94122.67814.38112.7155
H143.36304.62336.07065.76143.35832.19842.28011.08336.94126.28914.38112.67812.7155

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.627 C1 C2 C4 152.627
C1 C5 C7 107.811 C1 C5 H11 124.667
C1 C6 C8 107.811 C1 C6 H12 124.667
C2 C1 C5 126.716 C2 C1 C6 126.716
C2 C3 C4 62.627 C2 C3 H9 149.038
C2 C4 C3 62.627 C2 C4 H10 149.038
C3 C2 C4 54.746 C3 C4 H10 148.335
C4 C3 H9 148.335 C5 C1 C6 106.568
C5 C7 C8 108.904 C5 C7 H13 126.403
C6 C8 C7 108.904 C6 C8 H14 126.403
C7 C5 H11 127.522 C7 C8 H14 124.693
C8 C6 H12 127.522 C8 C7 H13 124.693
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability