A quantum state-resolved insertion reaction: O(1D) + H2(j = 0) → OH(2II, v, N) + H(2S)

X. Liu; J. J. Lin; S. Harich; G. C. Schatz; X. Yang

doi:10.1126/science.289.5484.1536

A quantum state-resolved insertion reaction: O(¹D) + H₂(j = 0) → OH(²II, v, N) + H(²S)

X. Liu, J. J. Lin, S. Harich, G. C. Schatz, X. Yang

Northwestern University

Research output: Contribution to journal › Article › peer-review

116 Citations (Scopus)

Abstract

The O(¹D) + H₂ → OH + H reaction, which proceeds mainly as an insertion reaction at a collisional energy of 1.3 kilocalories per mole, has been investigated with the high-resolution H atom Rydberg 'tagging' time-of-flight technique and the quasiclassical trajectory (QCT) method, Quantum state-resolved differential cross sections were measured for this prototype reaction. Different rotationally-vibrationally excited OH products have markedly different angular distributions, whereas the total reaction products are roughly forward and backward symmetric. Theoretical results obtained from QCT calculations indicate that this reaction is dominated by the insertion mechanism, with a small contribution from the collinear abstraction mechanism through quantum tunneling.

Original language	English
Pages (from-to)	1536-1538
Number of pages	3
Journal	Science
Volume	289
Issue number	5484
DOIs	https://doi.org/10.1126/science.289.5484.1536
Publication status	Published - Sep 1 2000

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abstract = "The O(1D) + H2 → OH + H reaction, which proceeds mainly as an insertion reaction at a collisional energy of 1.3 kilocalories per mole, has been investigated with the high-resolution H atom Rydberg 'tagging' time-of-flight technique and the quasiclassical trajectory (QCT) method, Quantum state-resolved differential cross sections were measured for this prototype reaction. Different rotationally-vibrationally excited OH products have markedly different angular distributions, whereas the total reaction products are roughly forward and backward symmetric. Theoretical results obtained from QCT calculations indicate that this reaction is dominated by the insertion mechanism, with a small contribution from the collinear abstraction mechanism through quantum tunneling.",

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T2 - O(1D) + H2(j = 0) → OH(2II, v, N) + H(2S)

AU - Liu, X.

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AU - Harich, S.

AU - Schatz, G. C.

AU - Yang, X.

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A quantum state-resolved insertion reaction: O(¹D) + H₂(j = 0) → OH(²II, v, N) + H(²S)

Abstract

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