M-type Gd₂[Si₂O₇]

M-type Gd₂[Si₂O₇] crystallizes isotypically with Eu₂[Si₂O₇].

4,6-Diferrocenyl-5-(morpholin-4-yl)-1,2,3-triazine

The title complex crystallizes with two independent mol­ecules in the asymmetric unit of the ortho­rhom­bic unit cell. The crystal structure features C—H⋯O and C—H⋯N non-classical hydrogen bonds.

Tetrel bond in the tri­phenyltin(IV) chloride–cyclo­hexyl­diphenyl­phosphane oxide (1/1) cocrystal

A short and directional tetrel bond between tin and oxygen is identified in the title compound.

Tetra-μ₃-selen­ido-1:2:3κ³Se;1:2:4κ³Se;1:3:4κ³Se;2:3:4κ³Se-tetra­kis­[(η⁵-methyl­cyclo­penta­dien­yl)molybdenum(III)](6 Mo—Mo)

The title cluster contains an Mo tetra­hedron capped on each face with a μ₃-selenide ligand.

Poly[bis­[μ₂-1,3-bis­(pyridin-4-yl)urea-κ²N⁴:N^4′]bis­(μ₂-5-methyl­isophthalato-κ²O¹:O³)dizinc(II)], a parallel inter­penetrated slab-like coordination polymer with {3.6⁴8}{3²6.7²8} 4,4-connected binodal topology

A divalent zinc one-dimensional ribbon coordination polymer, [Zn₂(tbuip)₂(bpu)]_n, was structurally characterized by single-crystal X-ray diffraction.

Poly[[aqua­[μ₂-1,3-bis­(pyridin-4-yl)urea-κ²N⁴:N^4′]bis­(μ₃-5-tert-butyl­isophthalato-κ³O¹:O^1′:O³)dizinc(II)] trihydrate], a double-strand coordination polymer

A divalent zinc one-dimensional double-strand coordination polymer, [Zn₂(tbuip)₂(dpu)]_n, was structurally characterized by single-crystal X-ray diffraction.

Poly[[[μ₃-3-(2-carboxyl­atophen­yl)propionato][μ₂-N,N′-(ethane-1,2-di­yl)bis­(pyridine-4-carbox­amide)]copper(II)] monohydrate], a layered coordination polymer with (4,4) topology

A layered Cu^II coordination polymer with (4,4) topology was prepared by hydro­thermal methods and structurally characterized by single-crystal X-ray diffraction.

μ-1,6-Dioxo-1,6-di­phenyl­hexane-3,4-diolato-bis­[(2,2′-bi­pyridine)­chlorido­copper(II)] dihydrate

The title complex sits astride an inversion center with each Cu^II atom having an N₂O₂Cl coordination sphere. Charge balance is achieved via the tetronediate and one coordinated chloride ion per Cu^II. Hydrogen bonding to a solvent water mol­ecule links the mol­ecules into a chain parallel to the bc-face diagonal.

Poly[[μ-1,4-bis­(pyridin-4-ylmeth­yl)piperazine]bis­[μ₃-4-(2-carboxyl­atoeth­yl)benzoato]dicopper(II)]

The title com­pound is a diperiodic slab copper(II) coordination polymer held together via longer-range C—H⋯O attractive inter­actions.

Methyl 4-amino-3-meth­oxy­isoxazole-5-carboxyl­ate

The crystal structure of the title compound obtained from the reduction of its nitro precursor, methyl 3-meth­oxy-4-nitro­isoxazole-5-carboxyl­ate, is described.

5,6-Di­hydro-1,4-dithiine-2,3-di­carb­oxy­lic anhydride

The heterocyclic fused ring geometry of the title com­pound coincides with the geometries of related mol­ecules but without directed inter­molecular contacts determining the crystal packing.

5-Fluoro-3-(1H-indol-3-ylmeth­yl)-1H-indole

The title compound was synthesized as a potential ligand for the construction of metal–organic frameworks. The two indole motifs present two potential coordination modes. Weak F⋯H inter­actions are observed in the crystal.

6,8-Di­chloro-3-(pyridin-2-yl)-2-[1-(pyridin-2-yl)eth­yl]-1,2-di­hydro­quinoxaline

The synthesis and single-crystal X-ray structure of a substituted quinoxaline compound is described.

9-(4-Meth­oxy­phen­yl)-9H-carbazole

In the title carbazole derivative, the dihedral angle between the carbazole ring system and the pendant phenyl ring is 56.78 (8)°.

2-[5-(2,3-Di­meth­oxy­naphthalen-1-yl)-4,5-di­hydro-1H-pyrazol-3-yl]-3-meth­oxy­phenol

In the title compound, the central pyrazoline ring subtends dihedral angles of 4.61 (1) and 87.31 (1)° with the pendant benzene ring and naphthalene ring system, respectively. In the crystal, inversion dimers formed by pairwise weak N—H⋯N hydrogen bonds are linked by pairwise C—H⋯O hydrogen bonds into [100] chains.

Di­ethyl 2,2′-[({2-chloro-5-[(2-eth­oxy-2-oxoeth­yl)(2-methyl­indolin-1-yl)carbamo­yl]phen­yl}sulfon­yl)aza­nedi­yl]di­acetate

The majority of the title mol­ecule is disordered over two closely spaced locations; the conformation is approximately U-shaped. In the crystal, chains of mol­ecules extending along the a-axis direction are formed by C—H⋯O and C—H⋯Cl hydrogen bonds and are connected into a corrugated layer structure parallel to the ab plane by C—H⋯O hydrogen bonds and C—H⋯π(ring) inter­actions.