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相关论文: A variationally computed line list for hot NH3

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A new hot line list for $^{14}$NH$_3$ is presented. The line list CoYuTe was constructed using an accurate, empirically refined potential energy surface and a CCSD(T)/aug-cc-pVQZ ab initio dipole moment surface of ammonia, previously…

太阳与恒星天体物理 · 物理学 2019-11-26 Phillip A. Coles , Sergei N. Yurchenko , Jonathan Tennyson

An accurate and comprehensive room temperature rotation-vibration transition line list for phosphine (31PH3) is computed using a newly refined potential energy surface and a previously constructed ab initio electric dipole moment surface.…

地球与行星天体物理 · 物理学 2013-05-17 Clara Sousa-Silva , Sergei N. Yurchenko , Jonathan Tennyson

A new room temperature line list for $^{15}$NH$_3$ is presented. This line list comprised of transition frequencies and Einstein coefficients has been generated using the `spectroscopic' potential energy surface NH3-Y2010 and an ab initio…

地球与行星天体物理 · 物理学 2015-03-02 Sergei N. Yurchenko

{\it Ab initio} potential energy and dipole moment surfaces are computed for sulfur trioxide (SO$_3$) at the CCSD(T)-F12b level of theory and appropriate triple-zeta basis sets. These surfaces are fitted and used, with a slight correction…

地球与行星天体物理 · 物理学 2017-09-13 Daniel S. Underwood , Jonathan Tennyson , Sergei N. Yurchenko

A computed line list for formaldehyde, H$_2{}^{12}$C$^{16}$O, applicable to temperatures up to $T=1500$~K is presented. An empirical potential energy and {\it ab initio} dipole moment surfaces are used as the input to nuclear motion program…

星系天体物理 · 物理学 2015-06-02 Ahmed F. Al-Refaie , Andrey Yachmenev , Jonathan Tennyson , Sergei N. Yurchenko

We present line lists for ammonia (NH$_{3}$) at high temperatures obtained by recording Fourier transform infrared emission spectra. Calibrated line lists are presented for twelve temperatures (300 -- 1300$^{\circ}$C in 100$^{\circ}$C…

天体物理仪器与方法 · 物理学 2015-05-28 R. J. Hargreaves , G. Li , P. F. Bernath

We present the first variational calculation of a hot temperature ab initio line list for the CH$_3$ radical. It is based on a high level ab initio potential energy surface and dipole moment surface of CH$_3$ in the ground electronic state.…

化学物理 · 物理学 2019-05-15 Ahmad Y. Adam , Andrey Yachmenev , Sergei N. Yurchenko , Per Jensen

A new hot line list is calculated for $^{12}$CH$_4$ in its ground electronic state. This line list, called 10to10, contains 9.8 billion transitions and should be complete for temperatures up to 1500 K. It covers the wavelengths longer than…

地球与行星天体物理 · 物理学 2014-06-27 Sergei N. Yurchenko , Jonathan Tennyson

A comprehensive, hyperfine-resolved rotation-vibration line list for the ammonia molecule ($^{14}$NH$_3$) is presented. The line list, which considers hyperfine nuclear quadrupole coupling effects, has been computed using robust, first…

化学物理 · 物理学 2019-01-16 Phillip A. Coles , Alec Owens , Jochen Küpper , Andrey Yachmenev

A computed line list for hydrogen peroxide, H$_2{}^{16}$O$_2$, applicable to temperatures up to $T=1250$~K is presented. A semi-empirical high accuracy potential energy surface is constructed and used with an {\it ab initio} dipole moment…

地球与行星天体物理 · 物理学 2016-07-05 Ahmed F. Al-Refaie , Oleg L. Polyansky , Roman I. Ovsyannikov , Jonathan Tennyson , Sergei N. Yurchenko

A theoretical line list for $^{15}$NH$_3$ CoYuTe-15 is presented based on the empirical potential energy and ab initio dipole moments surfaces developed and used for the production of the ExoMol line list CoYuTe for $^{14}$NH$_3$. The…

A Fourier Transform (FT) absorption spectrum of room temperature NH3 in the region 7400 - 8600 cm-1 is analysed using a variational line list and ground state energies determined using the MARVEL procedure. The spectrum was measured by Dr…

化学物理 · 物理学 2016-07-05 Emma J. Barton , Sergei. N. Yurchenko , Jonathan Tennyson , S. Béguier , A. Campargue

A comprehensive, calculated line list of frequencies and transition probabilities for the singly deuterated isotopologue of H3+, H2D+, is presented. The line list, called ST1, contains over 22 million rotational-vibrational transitions…

计算物理 · 物理学 2010-05-11 Taha Sochi , Jonathan Tennyson

Nitric acid is a possible biomarker in the atmospheres of exoplanets. An accurate line list of rotational and rotational-vibrational transitions is computed for nitric acid (HNO$_3$). This line list covers wavelengths longer than 1.42…

地球与行星天体物理 · 物理学 2015-08-06 Anatoly I. Pavlyuchko , Sergei N. Yurchenko , Jonathan Tennyson

This work presents the AYT2 line list: a comprehensive list of 114 million $^{1}$H$_2$$^{32}$S vibration-rotation transitions computed using an empirically-adjusted potential energy surface and an {\it ab initio} dipole moment surface. The…

地球与行星天体物理 · 物理学 2016-07-05 Ala'a A. A. Azzam , Jonathan Tennyson , Sergei N. Yurchenko , Olga V. Naumenko

Accurate rotational-vibrational line lists for $^{31}$P$^{14}$N and $^{31}$P$^{15}$N in their ground electronic states are computed. The line lists are produced using an empirical potential energy curve obtained by fitting to the…

星系天体物理 · 物理学 2015-04-14 Leo Yorke , Sergei N. Yurchenko , Lorenzo Lodi , Jonathan Tennyson

A comprehensive hot line list is calculated for $^{31}$PH$_3$ in its ground electronic state. This line list, called SAlTY, contains almost 16.8 billion transitions between 7.5 million energy levels and it is suitable for simulating spectra…

地球与行星天体物理 · 物理学 2015-04-13 Clara Sousa-Silva , Ahmed F. Al-Refaie , Jonathan Tennyson , Sergei N. Yurchenko

A new ro-vibrational line list for the ground electronic state of the main isotopologue of acetylene, $^{12}$C$_2$H$_2$, is computed as part of the ExoMol project. The aCeTY line list covers the transition wavenumbers up to 10,000 cm$^{-1}$…

太阳与恒星天体物理 · 物理学 2020-02-05 Katy L. Chubb , Jonathan Tennyson , Sergey N. Yurchenko

A new hot line list for the main isotopologue of CO$_2$ is presented. The line list consists of almost 2.5 billion transitions between 3.5 million rotation-vibration states of CO$_2$ in its ground electronic state, covering the wavenumber…

地球与行星天体物理 · 物理学 2020-07-10 S. N. Yurchenko , Thomas M. Mellor , Richard S. Freedman , J. Tennyson

A variationally computed $^{28}$SiH$_4$ rotation-vibration line list applicable for temperatures up to $T=1200\,$K is presented. The line list, called OY2T, considers transitions with rotational excitation up to $J=42$ in the wavenumber…

化学物理 · 物理学 2017-12-29 A. Owens , A. Yachmenev , W. Thiel , J. Tennyson , S. N. Yurchenko
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