Redetermination of di­ammonium trivanadate, (NH₄)₂V₃O₈

The crystal structure of (NH₄)₂V₃O₈ has been redetermined using data collected at 0.61 Å resolution, showing that the ammonium cation is disordered by rotation around a non-crystallographic axis.

Crystal structure of the Al₈Cr₅-type inter­metallic Al_7.85Cr_5.16

An aluminium-deficient γ-brass phase, Al_7.85Cr_5.16, was synthesized by high-pressure sinter­ing and its crystal structure determined.

Di­aqua­tetra­kis(μ-3-meth­oxy­benzoato-κ²O¹:O^1′)dicopper(II)

In the crystal structure of the title compound two independent binuclear copper(II) complexes are present, each with site symmetry and with the Cu^II atoms in a square-pyramidal coordination environment.

Tris­(4,4′-di-tert-butyl-2,2′-bi­pyridine)(trans-4-tert-butyl­cyclo­hexa­nolato)­deca-μ-oxido-hepta­oxido­hepta­vanadium aceto­nitrile monosolvate including another unknown solvent mol­ecule

The title hepta­nuclear alkoxido(oxido)vanadium(V) oxide cluster complex, [V₇(C₁₀H₁₉O)O₁₇(C₁₈H₂₄N₂)₃]·CH₃CN, has a V₇O₁₈N₆ core with approximately C_s symmetry, which is composed of two VO₄ tetra­hedra, two VO₆ octa­hedra and three VO₄N₂ octa­hedra.

Poly[[μ₄-3,4,8,10,11,13-hexa­hydro-1H,6H-bis­([1,4]di­thio­cino)[6,7-b:6′,7′-e]pyrazine]di-μ-iodido-dicopper(I)]: a two-dimensional copper(I) coordination polymer

The reaction of the pyrazine­thio­phane ligand 3,4,8,10,11,13-hexa­hydro-1H,6H-bis­([1,4]di­thio­cino)[6,7-b:6′,7′-e]pyrazine with CuI led to the formation of a two-dimensional copper(I) coordination polymer with Cu^I in a trigonal–pyramidal coordination environment defined by two S and two I atoms.

Bis(3-methyl-1-propyl-1H-imidazol-3-ium) bis­(4,6-disulfanidyl-4,6-disulfanyl­idene-1,2,3,5,4,6-tetra­thia­diphosphinane-κ³S²,S⁴,S⁶)nickel

The title salt, [PMIM]₂[Ni(P₂S₈)₂] (PMIM = 3-methyl-1-propyl-1H-imidazol-3-ium), was prepared from the elements in the ionic liquid [PMIM]CF₃SO₃. The structure consists of ordered anions and one ordered PMIM cation. The disordered PMIM cation is found in two orientations that refine to occupancies of roughly 0.80 and 0.20. The isolation of the title compound indicates that well behaved crystals can be obtained from direct reaction of the elements in ionic liquids with propyl chains that might otherwise be considered too prone to poor crystallization.

6-Methyl-4-{[4-(tri­methyl­sil­yl)-1H-1,2,3-triazol-1-yl]meth­yl}-2H-chromen-2-one

In the crystal of the title compound, the mol­ecules are linked into [010] chains by C—H⋯O inter­actions.

2,2,3,3,4,4,5,5-Octa­fluorohexane-1,6-diol

The title compound exhibits gauche–trans–trans O—C—C—O conformations. The conformational configuration is driven by the formation of an extended hydrogen-bonding network among the terminal alcohol groups of each mol­ecule.

5-MeO-DALT: the freebase of N,N-di­allyl-5-meth­oxy­tryptamine

The solid-state structure of the synthetic psychedelic 5-meth­oxy-N,N-di­allyl­tryptamine (5-MeO-DMT) is reported in its freebase form.

2,6-Di­phenyl-3-(prop-2-en-1-yl)piperidin-4-one

In the title piperidine derivative, the mol­ecules are linked by C—H⋯π inter­actions into dimers related by twofold symmetry.

2,3-Di­ethyl­benzo[g]quinoxaline

In the title compound, one of the pendant methyl groups lies close to the fused-ring plane and the other is significantly displaced.

2,4,6-Tri­phenyl-N-{(3E)-3-[(2,4,6-tri­phenyl­phen­yl)imino]­butan-2-yl­idene}aniline

The title mol­ecule is disposed about a centre of inversion and the conformation about the imine bond is E. The terminal benzene ring is approximately perpendicular to the central 1,4-di­aza­butadiene mean plane, forming a dihedral angle of 81.2 (3)°.