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The term isotopology in chemistry.

Isotopologues are chemical compounds whose molecules differ only in their isotopic composition. They therefore have the same elementary chemical composition and bonding arrangement of the atoms; but at least one atom has a different number of neutrons in the nucleus than the parent.


Examples of Isotopology


Isotopologues of Water

Isotopologues of water



[1] - Isotopologue.
In: IUPAC Gold Book, DOI 10.1351/goldbook.I03351.

[2] - Stefan Stoll:
Isotopomers and Isotopologues: The History behind the Confusion.
In: The Chemical Educator, 12, 4, 247-249, (2007), DOI 10.1333/s00897072045a.

[3] - Yan Su, Ken-ichi Otake, Jia-Jia Zheng, Satoshi Horike, Susumu Kitagawa, Cheng Gu:
Separating water isotopologues using diffusion-regulatory porous materials.
In: Nature, 611, 289-294, (2022), DOI 10.1038/s41586-022-05310-y.


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Last update: 2023-11-26

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