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Processing Stage | Template | Semi-Empirical QM (QM0) | DFT QM (QM1) | DFT Hessian QM (QM2) | |
---|---|---|---|---|---|
Calculation | None | Energy Minization | Energy Minization | Hessian | |
Level of Theory | None | Semi-Empirical / SCF | DFT (B3LYP/6-31G*) | DFT (B3LYP/6-31G*) | |
Default Size Limit (Atoms) | 2000 | 500 | 50 | 40 | |
Content of MD Topology | |||||
Charges Derived From | None | MOPAC | Merz-Singh-Kollman | Merz-Singh-Kollman | |
Geometry | User Provided | Optimized | Optimized | Optimized | |
Non-Bonded Interactions | Bonds | Rule Based: Parameters are asigned from existing parameters with a set of rules based on atom types and geometry. | Hessian Based: Force constant are calculated from the QM potential. New parameters are created when no suitable parameters exists. | ||
Angles | |||||
Dihedrals |
Current Processing State | Template |
Total Processing Time | 15:44:21 (hh:mm:ss) |
Error recorded | B3LYP/6-31G* level geometry optimisation step failed. This is most likely due to a problem with the molecule's geometry or net charge. Details: *** FAILURE TO LOCATE STATIONARY POINT, TOO MANY STEPS TAKEN |
Molecule Type | heteromolecule |
Residue Name (RNME) | O3RL |
Formula | C21H17O11 |
IUPAC InChI Key | IKIIZLYTISPENI-ZFORQUDYSA-N |
IUPAC InChI | InChI=1S/C21H18O11/c22-9-6-10(8-4-2-1-3-5-8)30-11-7-12(14(23)15(24)13(9)11)31-21-18(27)16(25)17(26)19(32-21)20(28)29/h1-7,16-19,21,23-27H,(H,28,29)/t16-,17-,18+,19-,21+/m0/s1 |
IUPAC Name | (2S,3S,4S,5R,6S)-6-(5,6-dihydroxy-4-oxo-2-phenylchromen-7-yl)oxy-3,4,5-trihydroxyoxane-2-carboxylic acid |
Common Name | Baicalin |
Canonical SMILES (Daylight) | OC(=O)[C@H]1O[C@@H](Oc2cc3oc(cc(=O)c3c(c2O)O)c2ccccc2)[C@@H]([C@H]([C@@H]1O)O)O |
Number of atoms | 49 |
Net Charge | -1 |
Forcefield | multiple |
Molecule ID | 102426 |
ChemSpider ID | 58507 |
ChEMBL ID | 485818 |
Visibility | Public |
Molecule Tags |
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The maximum QM level is computed using the ATB Pipeline atom limits but can be manually increased on a case by case basis.