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 22 June 2018

Crystal structure and Hirshfeld surface analysis of ethane-1,2-diaminium 3-[2-(1,3-dioxo-1,3-di­phenyl­propan-2-yl­idene)hydrazin­yl]-5-nitro-2-oxido­benzene­sulfonate dihydrate

The title compound has a nonplanar conformation. In the crystal, the anions are linked to the cations and the water mol­ecules by N—H⋯O and O—H⋯O hydrogen bonds, forming a three-dimensional network. Face-to-face π–π stacking inter­actions are also observed.

Accepted 21 June 2018

Crystal structures of the triple perovskites Ba2K2Te2O9 and Ba2KNaTe2O9, and redetermination of the double perovskite Ba2CaTeO6

The triple perovskites Ba2K2Te2O9 and Ba2KNaTe2O9 crystallize in the 6H-BaTiO3-type of structure, whereas Ba2CaTeO6 represents a double perovskite (cubic elpasolite structure type).

Accepted 20 June 2018

Crystal structure and Hirshfeld surface analysis of 3,3′,3′′-[(1,3,5-triazine-2,4,6-tri­yl)tris­(­oxy)]tris­(5,5-di­methyl­cyclo­hex-2-en-1-one)

The three cyclo­hexenone rings of the title compound adopt slightly distorted envelope conformations, with the C atom bearing two methyl groups as the flap atom in each case. In the crystal, mol­ecules are linked via C—H⋯O hydrogen bonds, forming a three-dimensional network.

Accepted 19 June 2018

Ge0.57Ti0.43O2: a new high-pressure material with rutile-type crystal structure

Ge0.57Ti0.43O2 adopts the rutile structure type with Ge and Ti sites disordered on one position.

Accepted 17 June 2018

Crystal structure of the tetra­meth­yl(pheneth­yl)cyclo­penta­dienylmolybdenumtri­carbonyl dimer

The structure of the dimer bis­{tricarbon­yl[η5-tetra­meth­yl(pheneth­yl)cyclo­penta­dien­yl]molybdenum}(MoMo), [Mo2(C17H21)2(CO)6], at 102 K has triclinic (P\overline{1}) symmetry. The Mo—Mo bond length is 3.2773 (3) Å, a value slightly above the mean value for all [CpMo(CO)3]2 compounds listed in the CSD and slightly below the mean for [Cp*Mo(CO)3]2 complexes.

Accepted 12 June 2018

Crystal structure of 2-[2-(pyridin-3-yl)diazen-1-yl]aniline

In the crystal structure of the title compound the mol­ecules are coplanar and are linked into helical chains via N—H⋯N hydrogen bonding between one of the amino H atoms and the pyridine N atoms.

Accepted 1 June 2018

Crystal structure and Hirshfeld surface analysis of 1-(2,4-di­chloro­benz­yl)-5-methyl-N-(thio­phene-2-sulfon­yl)-1H-pyrazole-3-carboxamide. Corrigendum


Accepted 16 May 2018

Two N,N′-bis­(pyridin-4-yl)pyridine-2,6-dicarboxamide coordination compounds

The title compounds both contain a central metal atom in a distorted octa­hedral geometry coordinated equatorially by four oxygen atoms from water mol­ecules. In the MnII complex, the axial positions are occupied by a nitro­gen atom from the ligand and an oxygen atom from the sulfate anion, whereas in the CdII complex they contain two nitro­gen atoms from two different ligands and the sulfate anion only serves as the charge-balancing ion. π–π stacking between pyridine rings plays a crucial role in the mol­ecular self-assembly of the two structures.


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