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ChemistryFunctions

Guides

  • Wolfram Chemistry Functions

Symbols

  • AlkaneName
  • AlkaneQ
  • AtomChirality
  • AtomSelector3D
  • AtomSelector
  • BohrModelPlot
  • BondStereo
  • ChemicalFormulaQ
  • ChemicalReactionQ
  • ConstitutionalIsomersQ
  • DiastereomersQ
  • EmbeddedMoleculeQ
  • EmpiricalFormula
  • EmptyMoleculeQ
  • EnantiomersQ
  • EpimersQ
  • FormatMoleculesAsGraphics
  • HydrocarbonQ
  • ImportComputationalChemistryData
  • IonCounts
  • MoleculeDelete
  • MoleculeGridPlot3D
  • MoleculeGridPlot
  • MoleculeJoin
  • MoleculeManipulate3D
  • MoleculeManipulate
  • MoleculeMirrorPlot3D
  • MoleculePatternQ
  • MoleculePlotOptions
  • MoleculeScaffold
  • MoleculeSubstructureMatches
  • PatternReactionQ
  • PeriodicTablePlot
  • RandomAlkane
  • RandomMolecule
  • RingMoleculeQ
  • RingPattern
  • SmilesPlot
  • StereoisomersQ
WolframChemistry`ChemistryFunctions`
PatternReactionQ
​
PatternReactionQ
[rxn]
returns
True
if rxn is a valid
PatternReaction
object and
False
otherwise.
​
Details and Options

Examples  
(2)
Basic Examples  
(2)
Test whether a pattern reaction is valid:
In[1]:=
PatternReactionQ

Contents cannot be rendered at this time; please try again later

Out[1]=
True
​
When given invalid input,
PatternReaction
will return unevaluated, as is common in Wolfram Language functions:
In[1]:=
patt1=PatternReaction["[Na:1][Cl:2]>>[Na+:1].[Cl-:3]"]
PatternReaction
:Atom mapping number 3 found in products but missing in reactants.
Out[1]=
PatternReaction[[Na:1][Cl:2]>>[Na+:1].[Cl-:3]]
In[2]:=
patt2=PatternReaction["[Na:1][Cl:2]>>[Na+:1].[Cl-:2]"]
Out[2]=
Both the valid and invalid formula have the head
PatternReaction
:
In[3]:=
Head/@{patt1,patt2}
Out[3]=
{PatternReaction,PatternReaction}
Use
PatternReactionQ
to distinguish them:
In[4]:=
PatternReactionQ
/@{patt1,patt2}
Out[4]=
{False,True}
SeeAlso
PatternReaction
 
▪
ChemicalReaction
 
▪
MoleculePattern
 
▪
MoleculePatternQ
RelatedGuides
▪
Wolfram Chemistry Functions
""

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