Paradigms and paradoxes: what is the enthalpy of formation of triglycine or should we have asked “What are the enthalpies of formation of the triglycines”?

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s11224025026241.pdf (731.34 KB)

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https://link.springer.com/article/10.1007/s11224-025-02624-1

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https://doi.org/10.1007/s11224-025-02624-1
 http://hdl.handle.net/11603/40844

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UMBC Chemistry & Biochemistry Department
UMBC Faculty Collection

Author/Creator

Author/Creator ORCID

https://orcid.org/0000-0001-6119-7132
 https://orcid.org/0000-0002-6109-7753

Date

2025-10-11

Type of Work

journal articles
Text

Department

Program

Citation of Original Publication

Perisanu, Stefan, Maja Ponikvar-Svet, Kathleen Frances Edwards, and Joel Fredric Liebman. “Paradigms and Paradoxes: What Is the Enthalpy of Formation of Triglycine or Should We Have Asked ‘What Are the Enthalpies of Formation of the Triglycines’?” Structural Chemistry, ahead of print, October 11, 2025. https://doi.org/10.1007/s11224-025-02624-1.

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Attribution 4.0 International

Subjects

Glycine
Diglycines, enthalpies of formation, fusion and of reaction
Glycylglycylglycine
Nitrilotriacetic acid
Triglycine(s)
?-amino acids

Abstract

The current paper discusses the enthalpy of formation of triglycine. Upon asking “What is the enthalpy of formation of triglycine?”, we find that there are two non-isomeric species that are generally referred to as “triglycine”: glycylglycylglycine and nitrilotriacetic acid. In the current paper the enthalpies of formation of these two species termed "triglycines" are discussed and related to each other. In addition, a similar analysis is carried out for the related “diglycines”.