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IgnoreIsotopes

is an option for MoleculeMatchQ that determines whether isotopes should be ignored for pattern matching.

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Examples  
Basic Examples  
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IgnoreIsotopes

IgnoreIsotopes

is an option for MoleculeMatchQ that determines whether isotopes should be ignored for pattern matching.

Details

  • With the default setting IgnoreIsotopesFalse, molecules will only match each other if they have the same stereochemistry.

Examples

Basic Examples  (1)

With IgnoreIsotopesTrue, isotopologues will match:

Use IgnoreIsotopesFalse to discriminate different stereoisomers:

Wolfram Research (2021), IgnoreIsotopes, Wolfram Language function, https://reference.wolfram.com/language/ref/IgnoreIsotopes.html.

Text

Wolfram Research (2021), IgnoreIsotopes, Wolfram Language function, https://reference.wolfram.com/language/ref/IgnoreIsotopes.html.

CMS

Wolfram Language. 2021. "IgnoreIsotopes." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/IgnoreIsotopes.html.

APA

Wolfram Language. (2021). IgnoreIsotopes. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/IgnoreIsotopes.html

BibTeX

@misc{reference.wolfram_2025_ignoreisotopes, author="Wolfram Research", title="{IgnoreIsotopes}", year="2021", howpublished="\url{https://reference.wolfram.com/language/ref/IgnoreIsotopes.html}", note=[Accessed: 08-August-2025]}

BibLaTeX

@online{reference.wolfram_2025_ignoreisotopes, organization={Wolfram Research}, title={IgnoreIsotopes}, year={2021}, url={https://reference.wolfram.com/language/ref/IgnoreIsotopes.html}, note=[Accessed: 08-August-2025]}