Interstellar Ices: A Factory of the Origin-of-Life Molecules

Puzzarini, Cristina; Alessandrini, Silvia

doi:10.1021/acscentsci.3c01636

ACS Cent. Sci.

2024

DOI: 10.1021/acscentsci.3c01636

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Interstellar Ices: A Factory of the Origin-of-Life Molecules

Cristina Puzzarini,

Silvia Alessandrini

Abstract: Interstellar-ice chemistry paves the way for disclosing the mystery of the origin of life: amino acids and other prebiotic molecules are formed in space.

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Theoretical Investigation of the Reaction of O(¹D) with Formamide

Bates,

Esselman,

Schultz

et al. 2024

J. Phys. Chem. A

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Carbamic acid (H 2 NCOOH) is a small organic molecule that is terrestrially unstable in condensed phases under ambient conditions but could survive in the low densities and temperatures of the interstellar medium. In this work, the reaction of formamide (H 2 NCOH) and electronically excited oxygen atoms in the 1 D state, namely, O( 1 D), has been investigated computationally to determine the feasibility of carbamic acid production. Geometries for carbamic acid and other potential reaction products have been calculated, as well as all pertinent transition states. In addition, harmonic and anharmonic frequency calculations were performed to determine quartic and sextic centrifugal distortion constants for all products. This work enables spectroscopic predictions that can guide the experimental search for carbamic acid. Presented here are the calculations, geometries, molecular constants, and spectral predictions for possible products of the reaction between formamide and O( 1 D), as well as a discussion of which products are favored.

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Theoretical Investigation of the Reaction of O(¹D) with Formamide

Bates,

Esselman,

Schultz

et al. 2024

J. Phys. Chem. A

View full text Add to dashboard Cite

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Unravelling the prebiotic origins of the simplest α-ketoacids in cometary ices: a computational investigation

Dash,

Pandya,

Singh

et al. 2024

Chem. Commun.

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Interstellar Ices: A Factory of the Origin-of-Life Molecules

Abstract: Interstellar-ice chemistry paves the way for disclosing the mystery of the origin of life: amino acids and other prebiotic molecules are formed in space.

Cited by 2 publications

References 10 publications

Theoretical Investigation of the Reaction of O(¹D) with Formamide

Theoretical Investigation of the Reaction of O(¹D) with Formamide

Unravelling the prebiotic origins of the simplest α-ketoacids in cometary ices: a computational investigation

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Interstellar Ices: A Factory of the Origin-of-Life Molecules

Abstract: Interstellar-ice chemistry paves the way for disclosing the mystery of the origin of life: amino acids and other prebiotic molecules are formed in space.

Cited by 2 publications

References 10 publications

Theoretical Investigation of the Reaction of O(1D) with Formamide

Theoretical Investigation of the Reaction of O(1D) with Formamide

Unravelling the prebiotic origins of the simplest α-ketoacids in cometary ices: a computational investigation

Contact Info

Product

Resources

About

Theoretical Investigation of the Reaction of O(¹D) with Formamide

Theoretical Investigation of the Reaction of O(¹D) with Formamide