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All results from a given calculation for C8H6 (Calicene)

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-307.292969
Energy at 298.15K-307.297375
HF Energy-306.288196
Nuclear repulsion energy299.583571
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*
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 3353 3162 9.40      
2 A1 3278 3091 14.26      
3 A1 3257 3071 4.76      
4 A1 1868 1762 547.83      
5 A1 1589 1499 66.48      
6 A1 1525 1438 39.22      
7 A1 1444 1362 94.42      
8 A1 1240 1169 30.56      
9 A1 1110 1046 11.31      
10 A1 1056 996 11.07      
11 A1 975 919 10.48      
12 A1 899 848 38.80      
13 A1 493 465 0.36      
14 A2 866 817 0.00      
15 A2 795 750 0.00      
16 A2 645 608 0.00      
17 A2 540 509 0.00      
18 A2 211 199 0.00      
19 B1 822 775 2.03      
20 B1 705 665 120.88      
21 B1 641 605 16.60      
22 B1 550 519 1.72      
23 B1 370 349 9.38      
24 B1 106 100 4.28      
25 B2 3316 3127 5.89      
26 B2 3271 3085 21.79      
27 B2 3248 3063 1.25      
28 B2 1597 1506 0.41      
29 B2 1382 1303 0.01      
30 B2 1262 1191 0.57      
31 B2 1137 1072 13.79      
32 B2 1120 1056 7.19      
33 B2 962 907 7.26      
34 B2 838 790 1.42      
35 B2 500 472 1.40      
36 B2 146 138 1.56      

Unscaled Zero Point Vibrational Energy (zpe) 23557.7 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 22214.9 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*
ABC
0.22550 0.04750 0.03924

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.042
C2 0.000 0.000 1.304
C3 0.000 0.666 2.580
C4 0.000 -0.666 2.580
C5 0.000 1.167 -0.915
C6 0.000 -1.167 -0.915
C7 0.000 0.733 -2.204
C8 0.000 -0.733 -2.204
H9 0.000 1.605 3.115
H10 0.000 -1.605 3.115
H11 0.000 2.191 -0.556
H12 0.000 -2.191 -0.556
H13 0.000 1.339 -3.104
H14 0.000 -1.339 -3.104

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.34652.70522.70521.45701.45702.28292.28293.54203.54202.25052.25053.34163.3416
C21.34651.43891.43892.50732.50733.58433.58432.41982.41982.87402.87404.60704.6070
C32.70521.43891.33183.53053.94614.78454.98441.08102.33313.48664.24185.72346.0268
C42.70521.43891.33183.94613.53054.98444.78452.33311.08104.24183.48666.02685.7234
C51.45702.50733.53053.94612.33341.36022.29594.05404.89131.08573.37712.19563.3269
C61.45702.50733.94613.53052.33342.29591.36024.89134.05403.37711.08573.32692.1956
C72.28293.58434.78454.98441.36022.29591.46615.39055.81062.20103.35701.08452.2587
C82.28293.58434.98444.78452.29591.36021.46615.81065.39053.35702.20102.25871.0845
H93.54202.41981.08102.33314.05404.89135.39055.81063.21003.71725.28066.22486.8806
H103.54202.41982.33311.08104.89134.05405.81065.39053.21005.28063.71726.88066.2248
H112.25052.87403.48664.24181.08573.37712.20103.35703.71725.28064.38242.68724.3537
H122.25052.87404.24183.48663.37711.08573.35702.20105.28063.71724.38244.35372.6872
H133.34164.60705.72346.02682.19563.32691.08452.25876.22486.88062.68724.35372.6774
H143.34164.60706.02685.72343.32692.19562.25871.08456.88066.22484.35372.68722.6774

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.433 C1 C2 C4 152.433
C1 C5 C7 108.210 C1 C5 H11 123.862
C1 C6 C8 108.210 C1 C6 H12 123.862
C2 C1 C5 126.800 C2 C1 C6 126.800
C2 C3 C4 62.433 C2 C3 H9 147.257
C2 C4 C3 62.433 C2 C4 H10 147.257
C3 C2 C4 55.135 C3 C4 H10 150.310
C4 C3 H9 150.310 C5 C1 C6 106.400
C5 C7 C8 108.590 C5 C7 H13 127.463
C6 C8 C7 108.590 C6 C8 H14 127.463
C7 C5 H11 127.927 C7 C8 H14 123.947
C8 C6 H12 127.927 C8 C7 H13 123.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability