forthcoming articles

The following articles are a selection of those recently accepted for publication in Acta Crystallographica Section E: Crystallographic Communications.

See also Forthcoming articles in all IUCr journals.

Accepted 24 May 2016

Crystal structure of bis­(2-methyl-1H-imidazol-3-ium) μ-oxalato-bis­[n-butyl­tri­chlorido­stannate(IV)]

The SnIV atom in the centrosymmetric anion of the title salt is coordinated in a distorted octa­hedral fashion by two O atoms of the bridging oxalate moiety, a C atom of the butyl chain and three Cl atoms. The bis­(2-methyl-1H-imidazol-3-ium) cation forms hydrogen bonds with Cl and oxalate O atoms yielding [001] chains.

Accepted 24 May 2016

Crystal structure of 16-ferrocene­methyl-3β-hy­droxy­estra-1,3,5(10)-trien-17-one: a potential chemotherapeutic drug

A new ferrocene complex, 16-ferrocenemethyl-3β-hy­droxy­estra-1,3,5(10)-trien-17-one, has been synthesized and structurally characterized by single-crystal X-ray diffraction techniques. The ferrocenemethyl group is positioned at the β face of the estrone moiety; as a result, a new stereogenic center is formed leading to an R stereochemical configuration. No head-to-tail hydrogen bonding is observed in the crystal packing, as is the case in estrone and other derivatives.

Accepted 21 May 2016

1-(Pyridin-2-yl)-3-(pyridin-3-yl)propane-1,3-dione: crystal structure and Hirshfeld surface analysis

The title mol­ecule, featuring an intra­molecular O—H⋯O hydrogen bond, is non-planar as seen in the dihedral angle between the pyridyl rings of 7.45 (7)°. In the crystal, supra­molecular chains are formed via π(pyridin-2-yl)–π(pyridin-3-yl) inter­actions.

Accepted 20 May 2016

Synthesis and crystal structure of NaMgFe(MoO4)3

The iron molybdate NaMgFe(MoO4)3 is isostructural with α-NaFe2(MoO4)3 and its structure is built up from [Mg,Fe]2O10 units of edge-sharing [Mg,Fe]O6 octa­hedra which are linked to each other through the common corners of [MoO4] tetra­hedra. The resulting anionic three-dimensional framework leads to the formation of channels along the [101] direction, where the Na+ cations are located.

Accepted 19 May 2016

Hydrogen bonding in the crystal structure of the molecular salt of pyrazole–pyrazolium picrate

A 2:1 organic salt formed from pyrazole and picric acid was obtained from methanol solution. In the crystal, N—H⋯O hydrogen bonds give rise to a hydrogen-bonded chain along [100]. Adjacent [100] chains are linked by a weak C—H⋯O inter­action.

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