L'arséniate Na₃Fe₂(AsO₄)₃: étude structurale de la forme basse température et simulation des propriétés de conduction des cations alcalins

The structure of the low-temperature garnet-like form of Na₃Fe₂(AsO₄)₃ is used in a bond-valence-sum-based study of the origins of the ionic conductivity differences between the two allotropic forms of the compound.

Dy₂Ni₇Sn₃: a new member of the CaCu₅ family of inter­metallics

Dy₂Ni₇Sn₃ is a new structure type which contains `DyNi<sub>5</sub>Sn' and `DyNi₂Sn₂' fragments and represents a new member of the CaCu₅ series of inter­metallics.

Three overcrowded zinc(II) complexes with potentially hexa­dentate poly­pyridyl ligands

Bis[2-hy­droxy-N′-(3-phenyl­prop-2-enyl­idene)benzohydrazidato-κ²N′,O]bis­(methanol-κO)nickel(II) and bis­[2-hy­droxy-N′-(3-phenyl­prop-2-enyl­idene)benzohydrazidato-κ²N′,O]bis­(pyridine-κN)nickel(II)

Rare examples of base pairing via a protonated pyridine N atom in two salts of N²,N⁶-bis­(1,3-di­methyl­imidazolin-2-yl­idene)pyridine-2,6-di­amine

Hexa­aqua­nickel(II) bis­[2-carboxyl­ato-2-(iso­thio­uronium-S-ylmethyl)­propane-1,3-diyl phosphate] hexa­hydrate

Zinc(II) and cadmium(II) chloride complexes with 4,4′-bi-1,2,4-triazole

Two scandium–biuret complexes: [Sc(C₂H₅N₃O₂)(H₂O)₅]Cl₃·H₂O and [Sc(C₂H₅N₃O₂)₄](NO₃)₃

Cobalt(II) and cobalt(III) complexes with 4′-(4-cyano­phen­yl)-2,2′:6′,2′′-terpyridine

An alternating copolymer containing trigonal planar homocoordinated copper(I) ions: catena-poly[[[bis­[μ-(E)-1,2-bis­(1-ethyl-1H-benzimidazol-2-yl)ethene-κ²N³:N^3′]dicopper(I)]-μ-(E)-1,2-bis­(1-ethyl-1H-benzimidazol-2-yl)ethene-κ²N³:N^3′] bis­(perchlorate) aceto­nitrile disolvate]

3,4-[2,2-Bis(meth­oxy­ethoxymeth­oxy­meth­yl)propyl­enedi­thio]-3′,4′-(ethyl­ene­dithio)tetra­thia­fulvalene: a spiro-substituted BEDT–TTF analogue

1,3-Bis(ethyl­amino)-2-nitro­benzene, 1,3-bis­(n-octylamino)-2-nitro­benzene and 4-ethylamino-2-methyl-1H-benz­imid­azole

Two polymorphs of 20-desmethyl-β-carotene

Twinning by merohedry in bis­(4-methoxyphenyl)tellurium(IV) diiodide di­methyl sulfoxide hemisolvate

Hydrogen-bonded layers in the 1:2 cocrystal of 2,2′-di­thio­dibenzoic acid with isonicotinohydrazide

The chloride, bromide and iodide salts of 1-(di­amino­methyl­ene)thio­uron-1-ium

Isomorphism in 1-(2-halido­benzyl)-4-[(E)-2-(3-hy­droxy­phenyl)­ethenyl]­pyridin­ium halide hemihydrates (halide = Cl, Br)

A two-dimensional layer in N,N′-bis­[2-(hy­droxy­meth­yl)benz­yl]ethyl­ene­diamine and a three-dimensional network in N,N′-bis­[2-(hy­droxy­methyl)benz­yl]ethyl­enedi­ammonium bis­(perchlorate)

2,3,12,13-Tetra­bromo-5,10,15,20-tetra­kis(4-but­oxy­phen­yl)porphyrin 1,2-di­chloro­ethane solvate

5β,6β-Ep­oxy-17-oxoandrostan-3β-yl acetate and 5β,6β-ep­oxy-20-oxo­pregnan-3β-yl acetate

4′-Iodo-2,2′:6′,2′′-terpyridine

2-[N-(X-Chloro­phen­yl)carbamoyl]­benzene­sulfonamide (with X = 2 and 4)

Desvenlafaxine succinate mono­hydrate

7-Fluoro­tubercidin: a halogenated derivative of a naturally occurring nucleoside anti­metabolite

Orientational disorder in 4-chloro­nitro­benzene

Setting ambiguity in C2/c with di­bromido­tetra­kis(1H-pyrazole-κN²)manganese(II) as an example. Addendum

Addendum to Acta Cryst. (2007), C63, m566–m569.