Bis(4-meth­oxy­benzyl­ammonium) tetra­bromido­cadmate(II)

The organic–inorganic hybrid salt, (C₈H₁₂NO)₂[CdBr₄], is made up from two 4-meth­oxy­benzyl­ammonium cations and a [CdBr₄]²⁻ anion. The cations lie about layers of anions that extend along the ac diagonal.

cis-Bromidobis(ethyl­ene-1,2-di­amine)(methyl­amine)­cobalt(III) dibromide

The title compound is a cobalt(III) dibromide base having a bromido and a methyl­amine substituent cis to each other. In the crystal, the complex cation and the two counter-anions are linked via N—H⋯Br and C—H⋯Br hydrogen bonds, forming a supra­molecular framework.

cis-Bromido­bis­(1,2-di­amino­ethane-κ²N,N′)(ethylamine-κN)cobalt(III) dibromide

The title compound, C₆H₂₃Br₃CoN₅, is a cobalt(III) dibromide complex having a cis arrangement for ethyl­enedi­amine chelating ligands.

Betaine (tri­methyl­ammonio­acetate) binary compound with sodium iodide

The coordination polyhedra of the sodium ions are connected by common edges forming an infinite chain of ions along the [100] axis. The chains and betaine zwitterions are assembled into infinitive layers via hydrogen bonds.

fac-Tri­aqua­(2,2′-bi­pyridine-κ²N,N′)(nitrato-κO)cobalt(II) chloride

The title compound consists of a chloride anion inter­acting through O—H⋯Cl hydrogen bonds with a cobalt(II) complex cation, leading to a three-dimensional supra­molecular network.

catena-Poly[[aqua­(iminodi­acetato-κ³O,N,O′)nickel(II)]-μ-4,4′-di­pyridyl­amine-κ²N:N′]

The title compound, a one-dimensional chain coordination polymer, was prepared during synthetic attempts to prepare divalent metal coordination polymers containing both iminodi­acetate and 4,4′-di­pyridyl­amine ligands.

Tetra­carbon­yl[N-(di­phenyl­phosphanyl-κP)-N,N′-diisopropyl-P-phenyl­phospho­rus di­amide-κP]molybdenum(0) with an unknown solvent

The title complex C₂₈H₃₀MoN₂O₄P₂ contains a molybdenum centre bearing a Ph₂PN(ⁱPr)P(Ph)NH(ⁱPr) and four carbonyl ligands in a distorted octa­hedral coordination geometry.

Dicarbon­yl{[(E,E)-(2,3,4,5-η)-6-meth­oxy-6-oxo-2,4-hexa­dien­yl]tri­phenyl­phospho­nium}(tri­phenyl­phosphane-κP)iron(1+) hexa­fluorido­phosphate

The Fe atom adopts a square-based pyramidal coordination geometry with the carbonyl groups and the two C=C bonds of the diene defining the basal sites and the phosphane ligand the apical position. The diene ligand has an E,E geometry, with the phospho­nium fragment pointed away from the Fe atom.

Sodium rubidium disaccharinate tetra­hydrate

In Rb–Na saccharinate, ions are bound by electrostatic attraction, hydrogen bonds, and stacking inter­actions.

4-(3,5-Di­meth­oxy­phen­yl)-6-(2-meth­oxy­phen­yl)pyrimidin-2-amine

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

(E)-1-[1-(3-Phenyl­cyclo­penta-2,4-dien-1-yl­idene)eth­yl]pyrrolidine

The mol­ecular and crystal structor of the title compound is reported. The crystal structure features C—H⋯π ring inter­actions.

N-(4-Chloro­phen­yl)-N′-{4-[(Z)-hy­droxy(1-oxo-1,3-di­hydro-2H-inden-2-yl­idene)meth­yl]phen­yl}urea

In the title compound, mol­ecules are linked by N—H⋯O hydrogen bonds, generating infinite [100] chains incorporating (6) ring motifs.

Crystal structure of tris­[(pyridin-1-ium-2-yl)meth­yl]amine trichloride–methanol–water (1/1.829/0.342)

This report highlights the crystals structure of a tri-protonated tris(2-pyridyl­meth­yl)amine (TPMA) ligand with three chloride counter-ions.

(3E)-3-[(2E)-3-(4-Meth­oxy­phen­yl)prop-2-enyl­idene]-2,3-di­hydro-4H-chromen-4-one

In the crystal, the mol­ecules are linked by pairs of C—H⋯O hydrogen bonds, generating (14) inversion dimers; further C—H⋯O hydrogen bonds connect the dimers into [100] double chains.

(E)-1-[5-Methyl-1-(4-methyl­phen­yl)-1H-1,2,3-triazol-4-yl]-3-(4-nitro­phen­yl)prop-2-en-1-one

The asymmetric unit comprises two independent mol­ecules of C₁₉H₁₆N₄O₃, which pack in pairs related by inversion.

Hexa­cyclo­[6.5.1.0^1,5.0^5,12.0^7,11.0^9,13]tetra­decane-4,6,14-trione

The structure of this title cage compound encompasses seven fused rings, viz. one four-membered, five five-membered and one six-membered. The four-membered ring is essentially planar, all five-membered rings adopt an envelope conformation and the six-membered ring adopts a boat conformation.

2-(3-Methyl-2-oxo-1,2-di­hydro­quinoxalin-1-yl)acetic acid dihydrate

The heterocyclic portion of the di­hydro­quinoxaline unit is distinctly non-planar. The crystal packing consists of corrugated layers constructed by O—H⋯O, O—H⋯N and C—H⋯O hydrogen bonds which involve the lattice water mol­ecules. O—H⋯O hydrogen bonds and π–π stacking inter­actions hold the layers together.

Naphthalene-2,6-diyl bis­(4-methyl­benzene­sulfonate)

The complete mol­ecule of the title compound is generated by crystallographic inversion symmetry.

4-Chloro­naphthalen-1-yl 4-methyl­benzene­sulfonate

The structure of a chloro­naphthalene tosyl­ate derivative is reported. The naphthalene ring system and the benzene ring of the tosyl­ate substituent are inclined to one another by 55.32 (5)°. The crystal structure features C—H⋯O hydrogen bonds and a weak Cl⋯Cl halogen bond.

Ethyl 5-(4-methyl­phen­yl)-2,4,5,7-tetra­aza­tri­cyclo[6.4.0.0^2,6]dodeca-1(8),3,6,9,11-penta­ene-3-carboxyl­ate

Apart from the ethyl substituent, the title compound is approximately planar.

Ethyl 3-methyl-1-oxo-4H-1,4-benzo­thia­zine-2-carboxyl­ate monohydrate

The organic molecule in the title hydrate is folded across the S⋯N vector. The crystal structure features N—H⋯O, O—H⋯O and C—H⋯O hydrogen bonds.

1-Methyl-4-phenyl-3-[4-(tri­fluoro­meth­yl)phen­yl]-1H-pyrazolo­[3,4-d]pyrimidine

The pyrazolo­pyrimidine unit in the title compound is slightly non-planar.

Diiso­propyl­ammonium benzene­sulfonate

The extended structure of the title mol­ecular salt features [010] chains linked by N—H⋯O hydrogen bonds.