A new tetra­kis-substituted pyrazine carb­oxy­lic acid, 3,3′,3′′,3′′′-{[pyrazine-2,3,5,6-tetra­yltetra­kis(methyl­ene)]tetra­kis­(sulfanedi­yl)}tetra­propionic acid: crystal structures of two triclinic polymorphs and of two potassium–organic frameworks

Pacifico, J.; Stoeckli-Evans, H.

doi:10.1107/S2056989021003479

Acta Crystallographica Section E
Acta Crystallographica
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Figure 2
Chemical diagram for 2,2′,2′′,2′′′-[(pyrazine-2,3,5,6-tetrayltetrakis(methylene)tetrakis(sulfanediyl)]tetrakis(ethan-1-amine) (H₄L2) and two nickel(II) binuclear complexes, I and II (Pacifico & Stoeckli-Evans, 2020

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 77| Part 5| May 2021| Pages 480-490

https://doi.org/10.1107/S2056989021003479

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