issue contents

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296

April 2020 issue

Highlighted illustration

Cover illustration: The introduction of a meth­oxy subsituent into an aromatic ring of 4-methyl-1,6-di­phenyl­pyrimidine-2(1H)-selenone alters the anti­microbial activities and results in greater selectivity. See Zeslawska, Korona-Glowniak, Nitek & Tejchman [Acta Cryst. (2020), C76, 359-366].

scientific commentaries


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The report of the crystal structure of a new form of [CoCl2(en)2]Cl is both inter­esting and important as it allows a reassessment of the early work of Werner and brings an emphasis to the occurrence of cocrystals of complexes.

research papers


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Two CdII coordination polymers have been synthesized from 1,4-bis­[(1H-imid­azol-1-yl)meth­yl]benzene and 1,3,5-tris­[(1H-imid­azol-1-yl)meth­yl]benzene ligands, forming a distorted seven-coordinated penta­gonal bipyramidal geometry and a one-dimensional ladder chain with the former ligand, and a six-coordinated octa­hedral structure with layers connected by hexa­fluoro­silicate anions with the latter.

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Crystallographic studies demonstrated that two 1,3,5-tri­azine salts derived from 2,4,6-tri­chloro-1,3,5-tri­azine and 2-(amino­meth­yl)-1H-benzimidazole are electron-deficient aromatic systems and that they can inter­act with electron-rich chemical species. This property makes them potentially useful in the recognition of anions and neutral mol­ecules, and as synthons in the construction of new supra­molecular architectures in crystal engineering.

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This work is the first com­prehensive summary of noncovalent inter­actions combined with a library of the supra­molecular synthon patterns in all crystal structures of amino acids with the Fmoc moiety reported so far.

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The replacement of the OH group at the C3′ position of a furan­ose ring by fluorine changes the N-type furan­ose ring puckering to S-type in the crystalline state.

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A novel three-dimensional (3D) ZnII coordination polymer exhibits excellent photocatalytic activity on the degradation of the organic dyes Rhodamine B (RhB), Rhodamine 6G (Rh6G) and Methyl Red (MR).

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The introduction of a meth­oxy subsituent into an aromatic ring of 4-methyl-1,6-di­phenyl­pyrimidine-2(1H)-selenone alters the anti­microbial activities and results in greater selectivity.

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A series of tridentate Schiff base ligands has been structurally characterized in the forms of free bases, hydrates/solvates and mono- and diprotonated cations. The most important contribution to the stabilization energy of the crystal is provided by π–π inter­actions, especially between charged ligands, while the details of the crystal architectures are influenced by directional inter­actions, especially relatively strong hydrogen bonds.

Special and virtual issues

Acta Crystallographica Section C has recently published special issues on

NMR Crystallography (March 2017)

Scorpionates: a golden anniversary (November 2016)

Full details are available on the special issues page.

The latest virtual issue features Coordination polymers, with an introduction by Len Barbour.

What are the 'most read' articles from the recent special issues?

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