Redetermination of ammonium metavanadate

The crystal structure of NH₄VO₃ has been redetermined using single-crystal X-ray data, affording a more accurate description for the tetra­hedral ammonium cation.

Sodium 1-(4-chloro­phen­yl)-5-methyl-1H-1,2,3-triazole-4-carboxyl­ate

The structure of the title salt comprises Na⁺ cations and C₁₀H₇ClN₃O₂⁻ anions arranged in layers parallel to the bc plane. The cation is coordinated by two N atoms and three O atoms of the anions.

Tetra­carbonyl-2κ⁴C-[μ-5-methyl-1,1,3-tri­phenyl-2-(propan-2-yl)-2,4-di­aza-1,3-diphosphahexan-4-ido-1κN⁴:2κP¹,P³](N,N,N′,N′-tetra­methyl­ethane-1,2-di­amine-1κ²N,N′)lithiummolybdenum

The title complex contains a distorted octa­hedrally coordinated molybdenum centre bearing a li­thia­ted PNPN ligand.

(2-{[2-(Di­methyl­amino)­eth­yl]imino­meth­yl}benzene­thiol­ato-κ³N,N′,S)(4-meth­oxy­benzene­thiol­ato-κS)nickel(II)

The coordination environment of the Ni^II cation is almost square-planar and is defined by a tridentate NN^ImS {2-{[2-(di­methyl­amino)­eth­yl]imino­meth­yl}benzene­thiol­ato} ligand and a monodentate S-bound 4-meth­oxy­thio­pheno­late ligand.

Di-μ-chlorido-bis­[chlorido­(di­methyl­formamide-κN)(3,5-di­phenyl-1H-pyrazole-κN²)­copper(II)]

The title compound Cu₂(μ-Cl)₂Cl₂(3,5-diphenyl-1H-pyrazole)₂(DMF)₂, where DMF is N,N-di­methyl­formamide, consists of two five-coordinate Cu^II ions with a distorted square-pyramidal geometry connected via two μ-Cl anions. The coordination environment of each Cu^II ion is completed by a terminal chloride anion, a nitro­gen-coordinated 3,5-diphenyl-1H-pyrazole mol­ecule, and a DMF mol­ecule. Inter­molecular hydrogen bonding between the mol­ecules generates a two-dimensional sheet.

3,3′-Di­methyl-1,1′-methyl­enediimidazolium tetra­bromido­cobaltate(II)

The mol­ecular structure of (C₉H₁₄N₄)[CoBr₄] consists of an imidazolium-based dication and a tetra­bromido­cobaltate(II) complex anion, which are connected via short C—H⋯Br inter­actions in the crystal.

Poly[bis­(μ-4-amino­benzene­sulfonato-κ²N:O)di­aquacobalt(II)]

In the title compound [Co(NH₂PhSO₃)₂(H₂O)₂]_n, a three-dimensional supra­molecular framework is built from sulfanilate–cobalt layers inter­connected via N—H⋯O and O—H⋯O hydrogen bonds. The environment around the cobalt atom is a distorted octa­hedron.

10-Methyl-9,11-annulated dibenzobarrelene

The title compound C₁₉H₁₄O₂ crystallizes in an ortho­rhom­bic unit cell with a single mol­ecule in the asymmetric unit. In the crystal, π–π stacking inter­actions, with a centroid–centroid distance of 3.7695 (8) Å, and weak C—H⋯π inter­actions link mol­ecules along the b-axis direction.

Ethyl 2-anilino-4-methyl-5-[5-methyl-1-(4-methyl­phen­yl)-1H-1,2,3-triazole-4-carbon­yl]­thio­phene-3-carboxyl­ate

The only identifiable directional inter­action in the crystal of the title compound is π–π stacking involving the thio­phene groups.

Bis(tri­phenyl­phosphine)iminium tetra­fluoro­borate chloro­form monosolvate

The structure of bis­(tri­phenyl­phosphine)iminium tetra­fluoro­borate chloro­form solvate, [PPN]BF₄·CHCl₃ was determined at 100 K. In the title solvate, C—H⋯F and C—H⋯Cl hydrogen bonds stack [PPN]⁺ cations along the b-axis direction.

1-Butyl-2,3,3-tri­methyl­indol-1-ium iodide

The indole ring system in the title compound is slightly puckered.

3-Hy­droxy-2-(4-methyl­phen­yl)-4H-chromen-4-one

In the crystal of the title flavone derivative, mol­ecules form centrosymmetric dimers via O—H⋯O=C hydrogen bonds.

2-Amino-4-(4-meth­oxy­phen­yl)-6-(4-methyl­phen­yl)pyrimidin-1-ium chloride

The synthesis, mol­ecular and crystal structure of a biologically important pharmacophore containing 2-amino­pyrimidine is reported.

5-Methyl-1-(4-methyl­phen­yl)-N′-[1-(1H-pyrrol-2-yl)ethyl­idene]-1H-1,2,3-triazole-4-carbohydrazide monohydrate

In the organic mol­ecule, the twist angles between the pyrol­yl/methyl­triazol­yl/methyl­tolyl groups are 11.4 (2) and 7.9 (1)°, respectively.

N′-[1-(Pyrazin-2-yl)ethyl­idene]pyrazine-2-carbo­hydrazide

In the title pyrazine-2-carbohydrazide, the dihedral angle between the planes of the pyrazine rings is 4.7 (3)°.

N-(3,5-Di­methyl­phen­yl)-P,P-di­phenyl­phosphinic amide

In the crystal of the title compound, the mol­ecules are connected into [001] chains by N—H⋯O hydrogen bonds.

2,2′-Bipyridin-1-ium hemioxalate oxalic acid monohydrate

The asymmetric unit of the title compound consists of a 2,2′-bipyridinium cation, half an oxalate dianion, one oxalic acid and one water mol­ecule.

(2S,3S)-2-Azaniumyl-4-[(1S,4aS,4bS,6S,7S,8aS,10aS)-6,7-dihy­droxy-2,4b,8,8,10a-penta­methyl-1,4,4a,4b,5,6,7,8,8a,9,10,10a-dodeca­hydro­phenanthren-1-yl]-3-meth­oxy­butanoate–methanol–water (1/1/1)

This compound was obtained by heterologous expression of the brasilicardin gene cluster in the bacterium Amycolatopsis japonicum. In the crystal, the components are linked by numerous hydrogen bonds, generating a three-dimensional network.

(Z)-3-[(3,5-Di­chloro­anilino)methyl­idene]-5-(4-methyl­phen­yl)furan-2(3H)-one

The push-pull enamine is non-planar in the solid state and crystallizes in the Z-configuration.

Chlorido­(η⁶-p-cymene)[2-(5-phenyl-4H-1,2,4-triazol-3-yl-κN²)pyridine-κN]ruthenium(II) chloride. Addendum

Addendum to IUCrData (2018), 3, x180625.