对二氧化碳 18O12C18O、17O12C18O 和 18O13C18O 同位素的高分辨率振动光谱的 MARVEL 分析

IF 1.4 4区物理与天体物理 Q4 PHYSICS, ATOMIC, MOLECULAR & CHEMICAL

Journal of Molecular Spectroscopy Pub Date : 2024-09-14 DOI:10.1016/j.jms.2024.111947

Ala’a A.A. Azzam , Sumaya A.A. Azzam , Karam A.A. Aburumman , Jonathan Tennyson , Sergei N. Yurchenko , Attila G. Császár , Tibor Furtenbacher

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引用次数: 0

摘要

对于二氧化碳的三种稀有同位素，即 18O12C18O（828，根据既定的速记符号）、17O12C18O（728）和 18O13C18O（838），利用 MARVEL（测量的有源旋转振动能级）协议和代码，分别测定了 3923、4318 和 1058 个经验旋转振动能级。对于同素异形体 828/728/838，对其光谱网络的分析是基于 11 353(7665)/11 313(7700)/2155(1595) 个分别属于 165/113/50 振带的测量（唯一）跃迁。从文献中收集的测量到的跃迁跨越了 953-12 570 cm-1（828）、628-8197 cm-1（728）和 600-7918 cm-1（838）区域。本研究严格评估和推荐的二氧化碳 828、728 和 838 同素异形体的能级数量分别为 3923、4318 和 1058。将本研究确定的经验摇振能级与两个已出版数据库（CDSD-2019、Ames-2021 和 HITRAN）中的对应能级进行比较，结果显示总体上非常一致。

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MARVEL analysis of high-resolution rovibrational spectra of the 18O12C18O, 17O12C18O, and 18O13C18O isotopologues of carbon dioxide

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MARVEL analysis of high-resolution rovibrational spectra of the 18O12C18O, 17O12C18O, and 18O13C18O isotopologues of carbon dioxide

For three rare isotopologues of carbon dioxide, ¹⁸O¹²C¹⁸O (828, according to a well-established shorthand notation), ¹⁷O¹²C¹⁸O (728), and ¹⁸O¹³C¹⁸O (838), 3923, 4318, and 1058 empirical rovibrational energy levels, respectively, are determined, using the MARVEL (Measured Active Rotational–Vibrational Energy Levels) protocol and code. For the isotopologues 828/728/838, the analysis of their spectroscopic network is based on 11 353(7665)/11 313(7700)/2155(1595) measured(unique) transitions, belonging to 165/113/50 vibrational bands, respectively. The measured transitions collected from the literature span the regions 953–12 570 cm⁻¹ (for 828), 628–8197 cm⁻¹ (for 728), and 600–7918 cm⁻¹ (for 838). The number of critically evaluated and recommended energy levels of this study are 3923, 4318, and 1058 for the 828, 728, and 838 isotopologues of CO₂, respectively. Comparison of the empirical rovibrational energy levels determined in this study with their counterparts in two published databases, CDSD-2019, Ames-2021 and HITRAN shows very good overall agreement.

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来源期刊

Journal of Molecular Spectroscopy 物理-光谱学

CiteScore

2.70

自引率

21.40%

发文量

审稿时长

29 days

期刊介绍： The Journal of Molecular Spectroscopy presents experimental and theoretical articles on all subjects relevant to molecular spectroscopy and its modern applications. An international medium for the publication of some of the most significant research in the field, the Journal of Molecular Spectroscopy is an invaluable resource for astrophysicists, chemists, physicists, engineers, and others involved in molecular spectroscopy research and practice.