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All results from a given calculation for C8H6 (Calicene)

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-305.246120
Energy at 298.15K-305.250542
HF Energy-304.548106
Nuclear repulsion energy296.333508
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 MP2/3-21G*
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 3177 4.12      
2 A1 3261 3102 16.67      
3 A1 3232 3074 1.41      
4 A1 1799 1712 447.15      
5 A1 1508 1434 21.78      
6 A1 1470 1398 21.47      
7 A1 1397 1329 71.06      
8 A1 1191 1133 40.79      
9 A1 1118 1063 1.81      
10 A1 997 949 12.41      
11 A1 950 904 1.30      
12 A1 889 845 58.20      
13 A1 475 451 3.07      
14 A2 840 799 0.00      
15 A2 826 786 0.00      
16 A2 659 627 0.00      
17 A2 576 548 0.00      
18 A2 214 203 0.00      
19 B1 849 808 1.49      
20 B1 693 660 142.53      
21 B1 613 583 30.17      
22 B1 571 543 20.01      
23 B1 352 335 4.63      
24 B1 121 115 5.65      
25 B2 3301 3140 5.04      
26 B2 3248 3089 20.24      
27 B2 3225 3068 0.01      
28 B2 1544 1468 0.15      
29 B2 1350 1284 0.46      
30 B2 1201 1142 0.05      
31 B2 1131 1076 22.77      
32 B2 1124 1069 0.50      
33 B2 895 851 3.70      
34 B2 863 821 0.71      
35 B2 488 464 1.67      
36 B2 153 145 1.40      

Unscaled Zero Point Vibrational Energy (zpe) 23228.3 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 22097.1 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 MP2/3-21G*
ABC
0.22011 0.04641 0.03833

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

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 -2.226
C8 0.000 -0.741 -2.226
H9 0.000 1.589 3.170
H10 0.000 -1.589 3.170
H11 0.000 2.214 -0.579
H12 0.000 -2.214 -0.579
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
C11.34302.72902.72901.48081.48082.30872.30873.58053.58052.27882.27883.36353.3635
C21.34301.46561.46562.52472.52473.60643.60642.45062.45062.90612.90614.62414.6241
C32.72901.46561.34773.56693.99024.83145.03401.07492.33203.53684.29855.76256.0718
C42.72901.46561.34773.99023.56695.03404.83142.33201.07494.29853.53686.07185.7625
C51.48082.52473.56693.99022.37401.37542.32634.11364.94631.08373.41862.19873.3588
C61.48082.52473.99023.56692.37402.32631.37544.94634.11363.41861.08373.35882.1987
C72.30873.60644.83145.03401.37542.32631.48265.46135.87682.20953.38341.08342.2803
C82.30873.60645.03404.83142.32631.37541.48265.87685.46133.38342.20952.28031.0834
H93.58052.45061.07492.33204.11364.94635.46135.87683.17763.79985.33946.29026.9423
H103.58052.45062.33201.07494.94634.11365.87685.46133.17765.33943.79986.94236.2902
H112.27882.90613.53684.29851.08373.41862.20953.38343.79985.33944.42812.67854.3817
H122.27882.90614.29853.53683.41861.08373.38342.20955.33943.79984.42814.38172.6785
H133.36354.62415.76256.07182.19873.35881.08342.28036.29026.94232.67854.38172.7157
H143.36354.62416.07185.76253.35882.19872.28031.08346.94236.29024.38172.67852.7157

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 107.806 C1 C5 H11 124.672
C1 C6 C8 107.806 C1 C6 H12 124.672
C2 C1 C5 126.714 C2 C1 C6 126.714
C2 C3 C4 62.627 C2 C3 H9 149.031
C2 C4 C3 62.627 C2 C4 H10 149.031
C3 C2 C4 54.745 C3 C4 H10 148.341
C4 C3 H9 148.341 C5 C1 C6 106.571
C5 C7 C8 108.909 C5 C7 H13 126.402
C6 C8 C7 108.909 C6 C8 H14 126.402
C7 C5 H11 127.522 C7 C8 H14 124.689
C8 C6 H12 127.522 C8 C7 H13 124.689
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability