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  • New on CTAN: transition-metals

    From CTAN Announcements via ctan-ann@erik@ctan.org to ctan-ann on Fri May 22 06:45:09 2026
    From Newsgroup: comp.text.tex

    Faris Hameed submitted the

    transition-metals

    package.

    Version number: 1.0 2026-05-18
    License type: lppl1.3c

    Summary description: Hybridization diagrams for transition metal complexes

    Announcement text: ----------------------------------------------------------------------


    Subject: transition-metals
    New release v1.0 rCo package for transition metal electronic configurations and Hybridization diagrams for transition metal complexes
    Date: 18 May 2026
    We are pleased to announce the first release of the transition-metals package for drawing hybridization diagrams of transition metal complexes.
    Features
    rCo Single command: \Complex{atomic number}{metal}{charge}{ligand}{coordination number}
    rCo Supports sp, sp-#, dsp-#, sp-|d, d-#sp-| hybridization
    rCo Automatic distinction between strong ligands (low spin) and weak ligands (high spin)
    rCo First row (Z=21rCo30): depends on ligand type (NHrea, CNrU+, CO, en) rCo Second and third rows (ZreN31): all ligands treated as strong
    rCo Fills orbitals used in hybridization (d, s, p)
    rCo Automatically calculates: d electron count, magnetic property (diamagnetic/paramagnetic), EAN
    Changes
    rCo Renamed main command from \ComplexStrong/\ComplexWeak to \Complex
    rCo Fixed Extra } error with \ComplexStrong{26}{Fe}{2+}{(CN)}{6}
    rCo Added hybridization support for coordination numbers 2, 3, and 5
    rCo Replaced \drawDElectronsPaired with safer electron drawing
    Bug Fixes
    rCo Fixed missing yellow fill for sp, sp-#, sp-|d hybridizations
    rCo Fixed incorrect electron configuration for elements Z > 36 Installation
    tlmgr install chemhybrid (CTAN submission pending)
    Documentation
    transition-metals-doc.pdf


    ----------------------------------------------------------------------

    This package is located at
    https://mirrors.ctan.org/macros/unicodetex/latex/transition-metals

    More information is at
    https://www.ctan.org/pkg/transition-metals

    ------------------------------------------------------------------------

    Thanks for the upload.

    For the CTAN Team
    Erik Braun

    ------------------------------------------------------------------------

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