forthcoming articles

The following articles are a selection of those recently accepted for publication in Acta Crystallographica Section C: Structural Chemistry.

See also Forthcoming articles in all IUCr journals.

Accepted 17 January 2019

A concise and versatile route to tetra­hydro-1-benzazepines carrying [a]-fused heterocyclic units: synthetic sequence and spectroscopic characterization, and the mol­ecular and supra­molecular structures of one inter­mediate and two products

Two new tricyclic tetra­hydro-1-benzazepines containing [a]-fused heterocyclic units have been prepared from simple precursors and characterized spectroscopically. The crystal structures of one inter­mediate and two products have been determined; in all three, multiple hydrogen bonds generate complex sheet structures.

Accepted 17 January 2019

Tantalum isocyanide complexes: TaI(CNDipp)6 (Dipp is 2,6-diiso­propyl­phen­yl) and ionic [Ta(CNDipp)7][Ta(CNDipp)6], a formal disproportionation product of the 17-electron Ta0 metalloradical Ta(CNDipp)6

The only known isolable TaL6 complex of Ta0, i.e. Ta(CNDipp)6 (Dipp is 2,6-diiso­propyl­phen­yl), crystallizes as the ionic salt [Ta(CNDipp)7][Ta(CNDipp)6] upon reduction of the TaI precursor TaI(CNDipp)6, which was also structurally characterized.

Accepted 10 January 2019

Covalent-assisted supra­molecular synthesis: the effect of hydrogen bonding in cocrystals of 4-tert-butyl­benzoic acid with isoniazid and its derivatized forms

Five new pharmaceutical cocrystals of isoniazid and 4-tert-but­ylbenzoic acid show different hydrogen-bonding patterns based on derivatizing the isoniazid mol­ecule in situ using four different ketones.

Accepted 21 December 2018

Three novel topologically different metal–organic frameworks built from 3-nitro-4-(pyridin-4-yl)benzoic acid

Three novel MOFs with dia, pcu and sql topologies were synthesized from 3-nitro-4-(pyridin-4-yl)benzoic acid (HL) and structurally characterized. The photoluminescence of two of the MOFs are enhanced and red-shifted with respect to free HL. The gas adsorption investigation of one of the MOFs indicates good separation selectivity of CO2/N2 at 273 K.

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