Redetermination of [CaCu(C₂H₃O₂)₄(H₂ O)₂]^.6H₂O at 173 K

The structure of catena-poly[[[di-μ-acetato-1:2κ⁴O:O^'-diaqua-2κ²O-calciumcopper]-di-μ-acetato-1:2^'κ⁴O:O] hexahydrate], originally determined twice at room temperature, has been redetermined at 173K. There are no significant differences between these structures.

μ-Oxo-bis­[di­chlorooxo(tri­methylphosphine-P)(tri­methylphosphine oxide-O)molybdenum(V)] di­ethyl ether hemisolvate

Two molybdenum centers are bridged by an oxo group in a compound in which the metal atoms are chiral centers coordinated to two chlorides, two oxo groups and two phosphorus ligands (PMe₃ and OPMe₃) situated cis to one another.

A substituted isoindolin-1-one derived from (R)-(–)-2-amino-1-butanol

The reaction of o-phthalaldehyde with (R)-(–)-2-aminobutanol yielded an unexpected rearrangement product, an N-substituted isoindoline-1-one, 2-(1-hydroxybut-2-yl)isoindolin-1-one.

2,2,5,5-Tetra­methylhex-3-yne at 281K

The title compound represents a highly substituted acetylene. In order to obtain a reliable triple-bond length [1.202(2)Å], high-angle data measurement was performed.

Ethyl 1-(2-chloro­phenyl)-4,6-di­methyl-2-thioxo-1,2,3,4-tetra­hydro­pyrimidine-5-carboxylate

In the title compound, the piperazine ring adopts a half-chair conformation and the best plane through it forms a dihedral angle of 79.4(1)° with the phenyl ring. In the solid state, the molecules exist as centrosymmetrically N—H⋯S hydrogen-bonded dimers.

A C-14 oxygenated taxoid from the heartwood of Taxus wallichiana

In the crystal structure of the title taxoid, taxa-4(20),11-diene-2α,5α,10β,14β-tetrayl 2α,5α,10β-triacetate 14β-(2-methylbutyrate), left-hand ring A has a distorted boat, central ring B a boat–chair and right-hand ring C a distorted chair conformation. The terpenoid core is folded in a cage-type conformation, with the butyrate side chain in a trans,trans,gauche,gauche,trans conformation.

Pentalead tris­(vanadate) iodide, a defect vanadinite-type compound

Pb_9.85(VO₄)₆I_1.7 belongs to the vanadinite family and is stoichiometrically deficient in lead iodide.

Cs₂Mo₃O₁₀

Single crystals of dicesium trimolybdate have been grown by solid-state reaction. The structure is built up of infinite molybdate chains interleaved by Ce atoms.

The vanadium oxide bronze η-Na_xV₂O₅ (x = 1.286)

The title vanadium oxide bronze crystallizes in the monoclinic system with an original structure built up of layers formed by VO₅ square pyramids and VO₄ tetrahedra parallel to the (010) plane, with the Na atoms lying between these layers.

Monoclinic InPO₄^.2H₂O

A new monoclinic phase of indium phosphate dihydrate, InPO₄^.2H₂O, was prepared from a hydrothermal synthesis of H₃PO₄, In(OH)₃ and H₂O in the presence of HF and C₇H₁₃N (quinuclidine). The structure is isostructural with AlPO₄^.2H₂O (metavariscite).

Nitrate d'argent et de césium: AgCs(NO₃)₂

AgCs(NO₃)₂ consists of NO₃^– layers perpendicular to [100], held together by intercalated Ag⁺ and Cs⁺ cations.

Cs₆Sn₂Te₆, a new telluridodistannate(III)

Cs₆Sn₂Te₆ has been prepared from the constituent elements and contains isolated distorted Te₆ octahedra with Sn^III–Sn^III dumbbells at the centres.

K₄Ni₇(AsO₄)₆

The title compound has a three-dimensional open-anionic framework built up from AsO₄ tetrahedra and NiO₆ octahedra sharing corners and edges. They delimit parallel tunnels, running along the a direction, where the K⁺ ions reside.

KCu₄Se₃

The structure of KCu₄Se₃ consists of double layers of copper cations, tetrahedrally coordinated by selenium anions and separated by potassium cations.

A new vanadium(IV) monophosphate, Sr(VO)₂(PO₄)₂, isotypic with Ca(VO)₂(PO₄)₂

The three-dimensional framework of strontium bis[oxovanadium(IV)] bis(phosphate) consists of infinite [VO₃]_∞ chains linked through PO₄ tetrahedra. In the [VO₃]_∞ chains, the VO₆ octahedra share their corners.

Ca₂(H₃ O)₂[V₁₀O₂₈]^.16H₂O

The crystal structure of dicalcium bis(oxonium) decavanadate hexadecahydrate has been determined by X-ray analysis. The main feature of the structure is the [V₁₀O₂₈]^6- anion, built up from ten distorted edge-sharing VO₆ octahedra with well established structures. Each Ca²⁺ ion is surrounded by seven water molecules in the form of a distorted pentagonal bipyramid.

Ag₂[Pd(NH₃)₂(SO₃)₂] powder

The crystal structure of Ag₂[Pd(NH₃)₂(SO₃)₂] has been determined ab initio from X-ray powder data. The structure is discussed in comparison with that of Na₂[Pd(NH₃)₂(SO₃)₂]^.6H₂O.

A mixed tribridging dimolybdenum(I) compound, bis­(μ-benzene­thiolato-S:S)hexa­carbonyl-μ-iodo-dimolybdenum(I)(Mo—Mo)

A dimolybdenum(I) carbonyl compound with thiolate and carboxylate bridges: tetra­butylammonium bis­(μ-benzene­thiolato-S:S)hexa­carbonyl-μ-pivalate-O:O'-dimolybdenum(Mo—Mo)

trans-Di­aquabis(quinoline-2-carboxylato-N,O)cobalt(II)–water–ethanol (1/2/2)

Bis[2-hy­droxy-3-(1H-imidazol-4-yl)propionato]cobalt(II)

Interactions of thi­amine with anions: (Hthi­amine)(thi­amine) hepta­iododimercurate dihydrate and its di­methanol monohydrate

(Acetato-O,O')(acetato-O)(2,9-di­methyl-1,10-phenanthroline-N,N')zinc(II)

Diiso­propylammonium oxalatotri­phenylstannate

Bis[(N,N-3-oxa­penta­methylene­thiocarbamoylthio­acetato)tri­phenyltin] hydrate and bis­(di­cyclo­hexylammonium) bis­(3-oxa­penta­methylene­thiocarbamoylthio­acetate)

A dimeric copper(II) bis­(4-chloro­phen­oxy)acetate adduct with di­methylformamide

Di­chloro[2,2'-(2,5-di­thiahexa­methylene)di­pyridine-N,N',S,S']nickel(II)

trans-Di­iodobis(tri­phenylphosphine)palladium(II)

Nona­carbonyl-μ₂-hydrido-μ₂-(N-methylcarboxamido)-C:O-(N-tri­methylamine)triosmium(3 Os—Os)

Dicalcium tri­acetate nitrate dihydrate

(1,1,1,5,5,5-Hexa­fluoro-2,4-pentanedionato-O,O')(1,4,7,10,13-pentaoxa­penta­decane-κ⁵O)sodium

(3,7-Di­ethyl-3,7-di­azanonane-1,9-di­thiolato-S,N,N',S')nickel(II)

The first manganese(II) compound with the saccharinate ligand present both in the complex cation and as the counter-ion: [Mn(bipy)₂(sac)(H₂O)]^+.sac⁻

Bis(1,3-propanedi­amine-N,N')bis­(thio­cyanato-N)nickel(II)

Di­aquanona­phenyltristiboxane diperchlorate

A degraded glycol-substituted iso-closo ten-vertex ruthenaborane: [(PPh₃)HClRuB₉H₅(OCH₂CH₂OH)₂(PPh₃)₂]^.1.2CHCl₃

[Ni{(CH₃)₂SO}₆]I₄, a redetermination and re­interpretation

Di-μ-iodo-1:2κ⁴I-bis­(quinoline)-1κN,2κN-bis­(tri­phenylphosphine)-1κP,2κP-dicopper(I)

Poly[mercury(II)-μ-4,4'-bi­pyridine-di-μ-bromo]

Bis(di­hydrogen phosphato-O)[(1RS,4RS,8SR,11SR)-1,4,8,11-tetra­aza­cyclo­tetra­decane-κ⁴N]nickel(II) monohydrate

Chiral bis­phosphanes. V. Chloro{rac,trans-1-[chloro(piperidin-1-yl)phosphino]-2-[bis­(piperidin-1-yl)phosphino]cyclo­pentane-P,P'}neo­pentylplatinum(II) acetone solvate

A monohelical cobalt(II) complex of a quinque­pyridine ligand

Tri­methylphosphonium tri­chlorogermanate(II)

The crystal structure of the trichlorogermanate(II) salt [HPMe₃][GeCl₃] is described. It features trigonal-pyramidal GeCl₃^– units with long interionic Ge⋯Cl distances, resulting in a distorted octahedral environment of the Ge^II centre.

A holmium complex of a macrocyclic ligand (DOTA) and its isostructural europium analogue

Lead(II) oxydi­acetate hydrate

Di­iodo[phthalocyaninato(2–)]germanium(IV) diiodine

(η⁶-Arylhimachalene)tri­carbonylchromium(0)

(Z)- and (E)-1-methylthio-1-tri­phenylstannyl-2-phenylethene

A dimeric form of the nickel(II) thio­cyanate complex of bis­(3-amino­propyl)methylamine

Tri­aquabis(nitrato-O,O')(2,2':6',2''-terpyridine-κ³N)gadolinium(III) nitrate

Di-μ-oxo-bis­[(2,2'-bi­pyridine)(di­fluoro­acetato)oxomolybdenum(V)] dihydrate

Two C₃-symmetrical tris­(ortho-substituted) tri­benzylamines

Three 2,4,6-tri­methylpyridine–benzoic acid complexes at 150K

5,6,7,8,9,10,11,12,18,19,21,22-Dodeca­hydro-8,9:18,19-dibenzo-1,4,7-trioxa-11,16-di­aza­cyclononadeca-10,16-diene

1-Nitrobenzo[c]cinnoline

Homolycorine hydrochloride dihydrate

(3R)-4,4-Di­methyl-2-oxo­tetra­hydro­furan-3-yl (2S)-7-meth­oxy-2,3-di­hydro-1,4-benzodioxin-2-carboxylate

5'-O-(Toluene­sulfonyl)adenosine

N⁴-Anisoylcytidine dihydrate

1-Cyclo­hexyl-5-cyclo­hexylamino­tetrazole

4-(Pheno­thiazin-10-yl)benzene-1,2-dicarbo­nitrile

7,8,10,11,12,13-Hexa­hydro-4-methylnaphtho[2,3-c]acridine

2-Amino­pyrimidine and p-phenylenedi­acetic acid (1:1) co-crystal

2-[3-(Pyrrolidin-1-yl)cyclohex-2-en-1-yl­idene]propanedi­nitrile

A mesogenic alkenyl compound

5-(4-Pyridyl)-5-phenylhydantoin

6-[N-(2-Hydroxyphenyl)amino­methylene]cyclohexa-2,4-dien-1-one

1,4-Di­formyl-t-5-methyl-r-2,t-3-di­phenylpiperazine-1,4-dicarbaldehyde

Troglitazone, an euglycemic antidiabetic drug

Two absorption furosemide prodrugs

Two new spiro lactam-lactones

(+)-3-Oxo-5α-cholan-24-oic acid: catemeric hydrogen bonding in a steroidal keto acid

A β-turn retro-enantiomeric analogue of achatin-I, H–D-Asp-[γCONH]-D-Ala–L-Phe–Gly–OH

Bilayered structure of N,N'-di­phenyl-4,4'-biphthalimide

Equilin

N,N-Di­methyl-5-methoxymethyl-2'-deoxycytidine

Self-assembled triple helices in the hydrogen-bonded structure of 2,2'-biphenol–4,4'-bi­pyridyl (1/1)

Paroxetine hydrochloride hemihydrate

Fromm's methylphenyldi­thiodi­methylketuret

Two dioxane derivatives of anthra­quinone

Dipeptide (Z)-Pro-ψ[CO-N(NH₂)]-Ala-NHⁱPr

Absolute configuration of 2-(1,4-benzodioxan-2-yl)imidazolinium bromide

A 2,2'-azo­benzene-substituted calix[4]arene-crown-6

N,N'-Bis(2-methoxyethyl)pyromellitimide

Bond-length alternation in rigidized merocyanines

(±)-6,6'-Di­nitro-1,1'-bi­naphthyl 2,2'-di­acetate

(3R,4S,4aR,10aS)-5,10-Di­acetyl-3,4,4a,5,6,7,10,10a-octa­hydro-8-meth­oxy-6-oxo-2H-pyrano[3,2-g]pteridin-3,4-diyl di­acetate

Crystallographic evidence of the formation of an N-alkylated enammonium salt: 5-ethoxycarbonylmethyl-1-ethyl-2,3,6,7-tetra­hydro-4H,12H-indolo[2,3-a]quinolizin-5-ium tri­fluoro­methane­sulfonate

(E)-2-[5-(3-Bromo­phenyl)pyrazol-3-yl]-3-(pyrrol-2-yl)acrylo­nitrile

Novel selective κ-opioid ligands

4-Ethyl-2,3-di­hydro-4H-pyrido[3,2-e]-1,2,4-thiadiazine 1,1-dioxide and 4-ethyl-2,3-di­hydro-4H-pyrido[4,3-e]-1,2,4-thiadiazine 1,1-dioxide

2,3,7,8,12,13,17,18-Octa­fluoro-5,10,15,20-tetra­kis­(penta­fluoro­phenyl)porphyrin

Guaninium dichloride

X-ray investigations of sulfur-containing fungicides. I. 4'-{[Benzoyl(4-tolylhydrazono)methyl]sulfonyl}acetanilide

Intermolecular C—H⋯N and C—H⋯O interactions in (2S,4S,5R)-(–)-3,4-di­methyl-5-phenyl-2-(1,3-thiazol-2-yl)-1,3-oxazolidine

Bis(m-anisidinium) di­hydrogénodiphosphate

1-Hydroxyethyl-2,2'-bi­imidazole