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IsomerGeneration

Guides

  • Isomer Generation

Tech Notes

  • Getting Started Generating Isomers

Symbols

  • CountIsomers
  • GenerateIsomers
  • Isomers
  • ListIsomers
  • $IsomerOutputDirectory
WolframChemistry`IsomerGeneration`
ListIsomers
​
ListIsomers
[formula]
returns a list of SMILES strings for isomers of the given formula.
​
​
ListIsomers
[formula,
Molecule
]
returns the isomers as
Molecule
objects.
​
Details and Options

Examples  
(2)
Basic Examples  
(1)
List the isomers for a saturated hydrocarbon with two oxygen atoms:
In[1]:=
Shortres=
ListIsomers
["C8H18O2"],15
Out[1]//Short=
{CC(C(C)C(C)(O)C)(O)C,CC(C(C)C(C)(O)O)(C)C,CC(C(O)C(C)(O)C)(C)C,CC(CCC(C)(O)C)(O)C,CC(CCC(C)(O)O)(C)C,CC(OOC(C)(C)C)(C)C,CC(COC(C)(C)C)(O)C,CC(COC(C)(O)C)(C)C,CC(OC(OC)(C)C)(C)C,CC(CC(OC)(C)C)(O)C,CC(OC(CC)(C)C)(O)C,CC(CC(CC)(C)C)(O)O,CC(CC(OC)(O)C)(C)C,CC(OC(CC)(O)C)(C)C,CC(CC(CC)(O)C)(O)C,CC(CC(CC)(O)O)(C)C,CC(CC(OO)(C)C)(C)C,CC(OC(CO)(C)C)(C)C,CC(CC(CO)(C)C)(O)C,CC(CC(CO)(O)C)(C)C,OCC(C(O)C)C(C)(C)C,CCC(C(O)O)C(C)(C)C,OCC(C(C)C)C(C)(O)C,CCC(C(O)C)C(C)(O)C,1178,OCCOCCCCCC,CCCOCCCCCO,CCCCOOCCCC,CCCCCOOCCC,OCCCCOCCCC,CCCCCOCCCO,CCCOCOCCCC,COCCCCCCOC,COCCOCCCCC,COCCCCOCCC,OOCCCCCCCC,COCCCCCCCO,COCOCCCCCC,COCCCOCCCC,CCCCCCCOOC,CCCCOCCOCC,CCOCCCCOCC,CCCCCCOOCC,OCCCCCCOCC,CCCCCCCOCO,CCCOCCCOCC,CCCCCOCOCC,COCCCCCOCC}
Create structure diagrams for five random isomers:
In[2]:=
SeedRandom[42];​​MoleculePlot/@RandomSample[res,5]
Out[2]=
{
,
,
,
,
}
Options  
(1)

SeeAlso
GenerateIsomers
 
▪
CountIsomers
 
▪
ChemicalFormula
 
▪
Molecule
 
▪
FindIsomers
TechNotes
▪
Getting Started Generating Isomers
RelatedGuides
▪
Isomer Generation
▪
Molecular Structure & Computation
RelatedLinks
▪
Surge: a fast open-source chemical graph generator
""

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