Caesium neodymium sulfate, CsNd(SO₄)₂

The title compound is isostructural with compounds in the CsPr(SO₄)₂ family.

Crystal structure of ω-Al₄Cr

The crystal structure of ω-Al₄Cr is isotypic with its molybdenum and tungsten analogues.

Al₁₀Ni₃Fe_0.83, an Fe-depleted phase in the Al–Ni–Fe system

Al₁₀Ni₃Fe_0.83 adopts the Co₂Al₅ structure type with the Fe site underoccupied.

Redetermination of the crystal structure of ThI₄

The redetermination of the crystal structure of thorium(IV) tetra­iodide is reported and compared with the previous determination.

(Metformin-κ²N,N′)(salicylato-κ²O,O′)copper(II) trihydrate

A Cu^II complex including active pharmaceutical ingredients as ligands has been synthesized using commercial drugs and a copper sacrificial anode, affording high-quality single crystals.

2-Amino-4-(4-meth­oxy­phen­yl)-1-(4-methyl­phen­yl)-5-oxo-1,4,5,6,7,8-hexa­hydro­quinoline-3-carbo­nitrile

Pairs of mol­ecules are linked through the amino–nitrile N—H⋯N hydrogen bonds, forming inversion dimers. These assemble into a three-dimensional network via C—H⋯O and C—H⋯π inter­actions.

N,N′-Bis(4-bromo­phen­yl)-N,N′-di­methyl­urea

The crystal structure of a urea resulting from the unexpected decomposition of a Boc-protected aniline is reported. The crystal structure is stabilized by C—H⋯O hydrogen bonds and short Br⋯Br halogen bonds.

(Z)-1-(1,3-Di­phenyl-1H-pyrazol-4-yl)-N-phenyl­methanimine N-oxide

In the title compound, the dihedral angle between the pyrazole ring and nitrone-bound ring is 32.57 (6)°.

2,6,10-Tri­chloro­tris­[1,2,4]triazolo[1,5-a:1′,5′-c:1′′,5′′-e][1,3,5]triazine

The crystal structure contains three independent mol­ecules in the asymmetric unit. In each mol­ecule, the C and N atoms of the central triazine ring are equally disordered on the same site.

6′-(3-Bromo­phen­yl)-7′-nitro-1′,6′,7′,7a'-tetra­hydro-3′H-spiro­[indeno­[1,2-b]quinoxaline-11,5′-pyrrolo[1,2-c]thia­zole]

The structure of a spiro­pyrroline incorporating a thia­zole ring is reported. The crystal structure features C—H⋯N, C—H⋯O, C—H⋯S and C—H⋯Br hydrogen bonds that form both ring and chain motifs.

10-[1,1-Di­chloro-4-(tri­methyl­sil­yl)but-1-en-3-yn-2-yl]-10H-pheno­thia­zine

In this enamine derivative, the pheno­thia­zine unit has a butterfly structure and the central six-membered ring adopts a boat conformation. The fold angle between the benzene rings is 28.52 (7)°. The crystal structure features Csp³—H⋯Cl and Csp²—H⋯S hydrogen bonds and π–π stacking inter­actions between pheno­thia­zine units.

(4-Methyl­phen­yl)methanaminium bromide hemi­hydrate

The crystal of (4-methyl­phen­yl)methanaminium chloride hemihydrate features C—H⋯Br, O—H⋯Br, N—H⋯Br, and N—H⋯O hydrogen bonds, as well as weak C—H⋯π inter­actions.

3-(1,2,2-Tri­iodo­ethen­yl)benzoic acid

The title compound has been characterized by single-crystal X-ray diffraction, revealing disorder of the carbons on the ethenyl group, hydrogen bonds, and halogen bonds.

N,N-Di­methyl-1H-pyrazolo­[3,4-d]pyrimidin-4-amine monohydrate

The asymmetric unit consists of two independent mol­ecules differing slightly in the orientation of the di­methyl­amino groups, and two water mol­ecules. In the crystal, a combination of O—H⋯N and N—H⋯O hydrogen bonds involving the lattice water, as well as slipped π-stacking inter­actions between pyrazolo­pyrimidine units form layers parallel to the bc plane.

Bis(2-formyl­phen­yl) benzene-1,2-di­carboxyl­ate

The asymmetric unit consists of two independent mol­ecules differing in the orientations of the ester groups. In the crystal, mol­ecules are linked into a ribbon structure via C—H⋯O and C—H⋯π inter­actions.

7-Bromo-1,4-bis­(prop-2-yn­yl)pyrido[2,3-b]pyrazine-2,3(1H,4H)-dione

The fused ring system of the title pyrido­pyrazine derivative is almost planar.

(Pyridin-2-yl)methyl 6-bromo-2-oxo-1-[(pyridin-2-yl)meth­yl]-1,2-di­hydro­quinoline-4-carboxyl­ate

The structure of the title di­hydro­quinoline derivative is reported. Its crystal structure features C—H⋯N and C—H⋯O hydrogen bonds and π–π stacking inter­actions between the di­hydro­quinoline units.

6-Methyl-1-(nitro­meth­yl)-4-(propan-2-yl)naphthalene

The title compound is built up from two fused phenyl rings. The naphthalene ring system is approximately planar.

A monoclinic modification of (4Z)-1-benzyl-4-(2-oxo­propyl­idene)-2,3,4,5-tetra­hydro-1H-1,5-benzodiazepin-2-one

The monoclinic title compound complements the known triclinic polymorph.

1-(2-Amino-4,5-di­methyl­phen­yl)ethanone

The stucture of an aceto­phenone derivative that lies on a mirror plane is reported. The crystal structure is stabilized by N—H⋯O and very weak π–π stacking inter­actions.