High-resolution energy-selected study of the reaction NH3 +→NH2 ++H: Accurate thermochemistry for the NH2/NH2 + and NH3/NH3 + systems

Y. Song; X. M. Qian; K. C. Lau; C. Y. Ng; Jianbo Liu; Wenwu Chen

doi:10.1063/1.1385523

High-resolution energy-selected study of the reaction NH₃ ⁺→NH₂ ⁺+H: Accurate thermochemistry for the NH₂/NH₂ ⁺ and NH₃/NH₃ ⁺ systems

Y. Song, X. M. Qian, K. C. Lau, C. Y. Ng, Jianbo Liu, Wenwu Chen

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

42 Citations (Scopus)

Abstract

The unimolecular dissociation of energy-selected NH₃ ⁺ near its threshold for the formation of NH₂ ⁺+ H was examined using a high-resolution PFI-PEPICO technique. Highly accurate values for D₀(H-NH₂ ⁺), IE(NH₂), and ΔH^° _f0(NH₂ ⁺) were determined through appropriate thermochemical cycles. Similar to previous studies, a sharp step-like feature was observed in the PFI-PE spectrum of NH₃.

Original language	English
Pages (from-to)	2582-2589
Journal	Journal of Chemical Physics
Volume	115
Issue number	6
DOIs	https://doi.org/10.1063/1.1385523
Publication status	Published - 8 Aug 2001
Externally published	Yes

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title = "High-resolution energy-selected study of the reaction NH3 +→NH2 ++H: Accurate thermochemistry for the NH2/NH2 + and NH3/NH3 + systems",

abstract = "The unimolecular dissociation of energy-selected NH3 + near its threshold for the formation of NH2 ++ H was examined using a high-resolution PFI-PEPICO technique. Highly accurate values for D0(H-NH2 +), IE(NH2), and ΔH° f0(NH2 +) were determined through appropriate thermochemical cycles. Similar to previous studies, a sharp step-like feature was observed in the PFI-PE spectrum of NH3.",

author = "Y. Song and Qian, {X. M.} and Lau, {K. C.} and Ng, {C. Y.} and Jianbo Liu and Wenwu Chen",

year = "2001",

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T2 - Accurate thermochemistry for the NH2/NH2 + and NH3/NH3 + systems

AU - Song, Y.

AU - Qian, X. M.

AU - Lau, K. C.

AU - Ng, C. Y.

AU - Liu, Jianbo

AU - Chen, Wenwu

PY - 2001/8/8

Y1 - 2001/8/8

N2 - The unimolecular dissociation of energy-selected NH3 + near its threshold for the formation of NH2 ++ H was examined using a high-resolution PFI-PEPICO technique. Highly accurate values for D0(H-NH2 +), IE(NH2), and ΔH° f0(NH2 +) were determined through appropriate thermochemical cycles. Similar to previous studies, a sharp step-like feature was observed in the PFI-PE spectrum of NH3.

AB - The unimolecular dissociation of energy-selected NH3 + near its threshold for the formation of NH2 ++ H was examined using a high-resolution PFI-PEPICO technique. Highly accurate values for D0(H-NH2 +), IE(NH2), and ΔH° f0(NH2 +) were determined through appropriate thermochemical cycles. Similar to previous studies, a sharp step-like feature was observed in the PFI-PE spectrum of NH3.

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U2 - 10.1063/1.1385523

DO - 10.1063/1.1385523

M3 - RGC 21 - Publication in refereed journal

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SP - 2582

EP - 2589

JO - Journal of Chemical Physics

JF - Journal of Chemical Physics

IS - 6

ER -