Potassium Hexa­cyanocobaltate, a Redetermination

The structure of K₃[Co(CN)₆] has been redetermined to provide more precise bond lengths and angles for shielded tensor calculations using density functional theory (DFT) methods. The three-dimensional network structure contains rectangular and distorted square channels.

A New Refinement of α-Sr₂P₂O₇

Distrontium diphosphate, alpha-Sr₂P₂O₇, has been refined in the Pnma space group. However, the strong anisotropy along the b direction for some of the O atoms suggests atomic scale disorder associated with the local loss of mirror symmetry and centrosymmetry.

Tetra­phenylphosphonium Tetra­chlorooxovanadate(V)

Tetraphenylphosphonium tetrachlorooxovanadate(V) consists of anionic [OVCl₄]⁻ square pyramids with local C_4v symmetry. The V-O distances are 1.565 (3) Å, V-Cl is 2.2660 (6) Å, and the V atom is placed 0.527 (1) Å above the basal plane. The slightly squeezed tetraphenylphosphonium cations occupy positions with local S₄ symmetry.

(Tri­butylphosphine-P)[1,2,4-tris­(tri­methylsilyl)cyclo­pentadienyl]silver(I)

The structure and synthesis of the title compound are described. The asymmetric unit contains two molecules which display different hapticity.

[(5-Nitro-1,10-phenanthroline-N,N')(1,4,7-tri­thia­cyclononane-S,S',S'')palladium(II)] Bis(hexa­fluorophosphate) Nitro­methane Solvate

The title compound shows a distorted square-planar coordination geometry with an S₂N₂ donor set and a long-range apical interaction to the third S-atom donor.

Sarcosinium Oxalate Monohydrate

The title compound crystallizes in space group P2₁/n. The oxalate mono-anion deviates considerably from planarity. The structure is stabilized by an extensive network of N-H⋯O and O-H⋯O hydrogen bonds.

N-[α-(N-Succimidyl)benzyl]selena­morpholine

The title compound, 1-[phenyl(1,4-selenazan-4-yl)methyl]pyrrolidine-2,5-dione, exists as a monomeric molecule whose selenamorpholinyl unit adopts a chair-shaped conformation.

The First X-ray Study of Alkoxynitroso­amines

The first two representatives of alkoxynitrosoamines, namely, N,N^'-dimethoxy-2,3-dimethyl-N,N^'-dinitroso-2,3-butanediamine and N-formyl-N,N^'-dimethoxy-2,3-dimethyl-N^'-nitroso-2,3-butanediamine, have been studied and are isomorphic.

N,N-Di­ethylphenylsulfonylacetamide

The title compound was synthesized in two steps from phenylthioacetic acid. The molecular packing is stabilized by short C-H⋯O intermolecular hydrogen bonding and a network of van der Waals contacts.

2,2,3,3-Tetra­chloro-1,4-di­phenylbi­cyclo[2.2.0]hexane, a Strained Bicyclic System

The title compound belongs to the family of bicyclo[2.2.0]hexanes. The C1-C4 and C3-C4 bond lengths [1.607 (3) and 1.592 (3) Å, respectively] of the two four-membered rings are significantly longer than the average bond length for such ring systems [1.554 (21) Å], which is obviously a result of angular strain.

4'-Methoxyaceto­phenone 2,4-Di­nitro­phenylhydrazone at 173K

The title molecule appears to be approximately planar and is found to be in the E conformation. An intramolecular hydrogen bond is formed between the NH group and the adjacent nitro group.

cis-8-Methylbi­cyclo[4.2.0]octa-1,3,5-triene-7-carboxylic Acid at 293K

The molecules of the title compound are linked to form centrosymmetric dimers by O-H⋯O hydrogen bonds. The C=O distance [1.225 (4) Å] is slightly longer than the standard distance range for such dimers (1.205-1.215 Å) and the C-O(H) distance [1.293 (3) Å] is slightly shorter than the standard distance of 1.308 Å.

Pentasodium Bis[di­hydroxytetraoxotellurium(VI)]gold(III) Hexadecahydrate

The title compound contains discrete centrosymmetric [Au{TeO₄(OH)₂}₂]⁵⁻ anions in which the hydroxy H atoms have been located.

Na₅Bi₂(AsO₄)(As₂O₇)₂

The structure of Na₅Bi₂(AsO₄)(As₂O₇)₂, prepared by solid-state reaction, contains BiO₆ octahedra and AsO₄ tetrahedra sharing corners to form a three-dimensional framework. The structure exhibits large tunnels where Na⁺ cations are located.

(NH₄)₄Na₂[Mo₂V^IV₂V^V₆O₂₈].10H₂O

(NH₄)₄Na₂[Mo₂V^IV₂V^V₆O₂₈].10H₂O is a mixed V/Mo salt which has a well known decavanadate structure. The centrosymmetric polyanion consists of eight (V/Mo)O₆ and two VO₆ edge-sharing distorted octahedra.

Bis(tri­chlorophosphine)iminium Hexa­chlorophosphate

The asymmetric unit of the structure of (NP₂Cl₆)PCl₆ contains two [N(PCl₃)₂]⁺ cations, both of which adopt trans-trans conformations, and two octahedral PCl₆⁻ anions.

Tricaesium Tetra­iodozincate(II) Iodide, Cs₃ZnI₅

Cs₃ZnI₅ is isotypic with Cs₃CoI₅, The structure consists of distorted [ZnI₄]²⁻ tetrahedra and chains of face-sharing [Cs₆I]⁵⁺ octahedra parallel to the x axis.

Octa­aqua­bromouranium(IV) Tribromide Monohydrate, [UBr(H₂O)₈]Br₃.H₂O

The crystal structure of the title compound includes a nine-coordinate U^IV center stitched together through hydrogen bonding with the counter-anions and molecule of solvation.

K₃Ta S₄

K₃TaS₄ crystallizes with the K₃VS₄-type structure, based on discrete tetrahedral TaS₄³⁻ anions, which are connected via K⁺ cations.

(NH₄)₈[Ce₂(SO₄)₈] .4H₂O

A new dimeric ammonium cerium(IV) sulfate has been synthesized and its structure determined by single-crystal X-ray analysis.

Sodium Nickel Polyphosphate

Sodium nickel polyphosphate is unlike other AM(PO₃)₃ (A = alkali metal and M = transition element) complexes, but resembles AgM(PO₃)₃ (M = Zn, Co, Ni or Mg). Columns of alternating Na and Ni atoms lie between the `zigzag' polyphosphate chains.

Tripelennamine Tetra­chlorocobaltate(II)

Hexa­kis­(μ-N-ethylthiourea-S)tetra­kis­[iodocopper(I)] Monohydrate

trans-Carbonyl(penta­fluoro­phenyl-C)bis­[(penta­fluoro­phenyl)di­phenylphosphine-P]iridium(I)

Aqua(2-methylpyridine-N)(N-salicylideneglycinato-O,N,O')copper(II)

μ-Pyrazine-N:N'-bis­[aqua(N-salicylideneglycinato-O,N,O')copper(II)] Dihydrate

Magnesium Sulfate Hexaurea Hemihydrate

Bis(2,2'-bi­pyridine-N,N')(iso­thio­cyanato-N)copper(II) Tri­cyanomethanide

Di­cyano­nitrosomethanide as a Subject of Nucleophilic Addition of Methanol and as an End-O-Coordinated Ligand in the Same Copper(II) Complex. II. (Bi­pyridine)(di­cyano­nitrosomethanido)[methyl(2-cyano-2-hydroxyimino)ethanimidato]copper(II)

Di­chloro(2,2':6',2''-terpyridyl-N,N',N'')mercury(II)

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

Investigations of Complexes of Copper(II) Chloride with Phenylpyrazoles

Bis(di­methylammonium) Penta­chloro­antimonate(III), on the Deformation of the Octahedral Coordination of Sb^III

(1,1'-Di­methyl-2,2'-bi­imidazole-N³,N^3')di­iodoplatinum(II)

Platinum(II) Complexes of Piperazine (and Derivatives): cis-Di­iodo(N-methylpiperazine-N,N')platinum(II)

Vanadyl Tetra­kis­(penta­fluoro­phenyl)porphyrin Di­chloro­methane Solvate

Metal Alkoxycarboxylate Complexes. II. Poly[di­aquabis(3-hydroxypropionato)yttrium(III)] Bromide and catena-Poly[penta­aqua(3-hydroxypropionato)yttrium(III)] Bromide Chloride

Bis{(μ-acetato)[μ-bis­(salicyl­idene)-1,3-propanediaminato]copper(II)}cadmium(II) Dioxane Solvate

Di-n-butylbis(2-phenylquinazoline-4-thiolato-N³,S)tin(IV)

5-De­oxy-1,2-O-iso­propyl­idene-5-C-tri­phenylstannyl-α-L-xylo­furanose

Pb(NO₃)₂(EO3), where EO3 is Tri­ethylene Glycol

Di-μ-oxo-bis­[bis­(bi­pyridine-N,N')manganese(III, IV)] Triperchlorate Bis(nitro­benzene) Hemihydrate

N—H⋯N, N-H⋯O and N-H⋯π_CO Hydrogen Bonding in [N,N-Bis(2-amino­ethyl)-2-amino­ethyl]ammonium Tetra­carbonylcobaltate(1-)

catena-Poly[[tetra­kis­(imidazole-N³)copper(II)]-μ-(dichromato-O:O')]

Bis[tris­(1,2-ethandiamin)cadmium]-tetra­iodocadmat-diiodid

Tris(3-methyl-2,4-pentanedionato-O,O')cobalt(III)

Bis[bis­(ethylenedi­amine-N,N')(μ_N,S-thio­cyanato)nickel(II)] Bis(hexa­fluorophosphate)

Bis(di­methylammonium) Hexa­chlorotellurate(IV)

A 1,10-Phenanthroline-Ligated closo-Ruthenaundecaborane: [(C₁₂H₈N₂)RuB₁₀H₈(OC₂H₅)₂]

A Hetero-Tribridged Dinuclear Molybdenum Compound [Bu₄N][Mo₂(CO)₆(p-Cl-C₆H₄ S)₂Br]

Hexa­kis­(imidazole-N³)nickel(II) Carbonate Pentahydrate

[CuL₂][ClO₄] and [AgL₂][BF₄], where L = 6,6'-Di­bromo-2,2'-bi­pyridine

Aquabis(2,3-butanedione dioximato-N,N')(cyclo­pentyl)cobalt(III)

exo-and endo-Tri­carbonyl[(4b,5,6,7,8,8a-η)-cis-N-methyl-2,3,4,4a,9,9a-hexa­hydro-1H-carbazole]chromium(0)

A New Ni(dmit)₂ Salt with a Paramagnetic Cation: [Cu(bpy)₃][Ni(C₃S₅)₂]₂

Redetermination of the Germanium Dichloride Complex with 1,4-Dioxane at 173K

Tetra­kis­(tetra­methylammonium) Di­hydrogendecavanadate Acetic Acid 2.8-Hydrate, [N(CH₃)₄]₄[H₂V₁₀O₂₈].CH₃COOH.2.8H₂O

An Exopolyhedral Cyclized Platinaundecaborane: [(PPh₃)(PhCOS)PtB₁₀H₉(PPh₃)].1.5CHCl₃

[N-(3-Amino­propyl)-N-methyl-1,3-propanedi­amine-κ³N]di­chlorocopper(II)

3-Ferrocenyl-6-nitro-2-phenylquinoxaline: Cyclic Centrosymmetric Dimers Depending on both C—H⋯O Hydrogen Bonds and π-π Stacking Interactions

Polymeric Chloro(tri­phenyl tri­thiophosphite)copper(I)

Iodo(phthalocyaninato)vanadium(III)

Barium Terephthalate, a Three-Dimensional Coordination Polymer with 7:7 Cation–Anion Connectivity

Aqua(4,4'-di­methyl-2,2'-bi­pyridine-N,N')(malonato-O,O')copper(II) Dihydrate

Bis(tri­ethylsulfonium) Tetra­iodomercurate(II)

Aqua(di­ethylenetri­amine)(isonicotinato)copper(II) Hexa­fluorophosphate

trans-7,7-Di­phenyl-7-silabi­cyclo[3.3.0]octan-3-one p-Tosylhydrazone Tetra­hydro­furan Solvate

Di­ethyl N,N'-(Naphthalene-1,8-diyl)dioxamate

2'-De­oxy-3',5'-O-(1,1,3,3-tetraiso­propyldisiloxane-1,3-diyl)-2'-C-(2-tri­methylsilylethynyl)-D-adenosine

2-Methoxynaphthalene at 173K

Bromo(ethyl)hydridobis(3,4-di­methylpyridine-N)silicon Bromide at 173K

2,3-Di­hydronaphto[2,3-b][1,4]dioxine

Monoprotonated o-Phenylenedi­amine Di­hydrogenphosphate

trans-2,2'-Di­chloro-4,4'-di­methylazo­benzene

1,2-Di­methylpyrido[1,2-a]benzimidazole-4-carbo­nitrile

Two Organic Diselenides: Dimesityl Diselenide and Bis(2,4,6-triiso­propylphenyl) Diselenide

Salts of the Bis(catecholato)borate Anion with Organic Cations

An Oxidatively Coupled Dimer of Paracetamol

Quinoline-4-carboxylic Acid

1-(o-Tolylmethyl)naphthalene-2-carboxylic Acid

Hydrogen-Bonded Trimers in 4,4'-Di­methylbi­phenyl-2,2'-di­carboxylic Acid

9H-Fluorene-2-carboxaldehyde

3,6-Di­chlorophthalic Anhydride

17,17-Ethylene­dioxyandrost-4-ene-3,6-dione and 17,17-Ethylene­dioxyandrosta-1,4-diene-3,6-dione

5β-Androstan-3,17-dione

2,9-Di­methyl-1,10-phenanthroline Dihydrate

5-R-3H-1,2-Di­thiole-3-thione (R = Ethylthio and Methylthio)

Thiabendazolium Nitrate, an Anthelmintic Compound

9-(Carboxymethyl)-6-chloropurine Ethyl Ester

4'-(Di­methylamino)-2-nitroazo­benzene

Three Isostructural Furosemide Prodrugs

The Antifungal Agent 8-Ethyl-5,8-di­hydro-5-oxo-2-(1-pyrrolidinyl)pyrido[2,3-d]pyrimidine-6-carboxylic Acid (Piromidic Acid)

Structure and Conformation of Photosynthetic Pigments and Related Compounds. XI. 5,10,15,20-Tetra­butylbacteriochlorin

o-Nitrobenzaldehyde Isonicotinoylhydrazone

Two Macrocyclic Azacrown Ethers

1,2-Bis(2-pyridylformimidoyl)hydrazine

1,9a-Ep­oxy-1,2,3,4,4a,4b,5,8,8a,9a-deca­hydro-2-methyl-4-nitro-5,8-methano-9H-fluoren-9-one

2-(2-Hydroxybenzyl­idene)-1-(2-picoloyl)hydrazine Hemihydrate

Investigation of Three Stilbene Derivatives by X-ray Crystallography and NMR Spectroscopy

An Unexpected Product of an Indium-Mediated Carbon–Carbon Coupling: 2-(1-Phenyl-1,3-butadien-2-yl)benzoic Acid

Classical Packing and Stacking in 6-Phenyl-5-azauracil

Highly Strained C—C Bonds: 3-(1'-Hy­droxy-4'-iso­propyl-2',2'-di­methyl-1',2'-di­hydrobenzo­cyclobuten-1'-yl)-3-methyl-2-butanone Ethylene Acetal, (I), and (3S^*,1'S^*)-3-Acet­oxy-2-(1'-hy­droxy-1',2'-di­hydrobenzo­cyclobuten-1'-yl)-2-methylpentane, (II)

A Cytosine and Tryptophan Hybrid Dipeptide: Cytosinyl-L-tryptophan–Water (2/6)

A Di­nitrobenzoate Derivative of an α-Meth­oxy-γ-hydroxysilane

1,4-Di­hydro-1-methyl-4-nitrimino­pyridine Dihydrate

Brucinium Hydrogen Fumarate Sesquihydrate and Brucinium Hydrogen Maleate

Ethyl 3-Hydroxybenzo[b]furan-2-carboxylate

4'-Methylaminoavarone from Dysidea avara

tert-Butyl 3-[4-(2-Bromo­eth­oxy)-3-chloro­phenyl]-5-methylisoxazole-4-carboxylate

1-(β-D-Ribo­furanosyl)-6-propylcytosine

1-tert-Butyl-9-meth­oxy-4-methyl-1,2,3,4-tetra­hydro-2-azafluoren-3-one, a Novel Fluorenone

(3R,12R)-4,7,7,12-Tétraméthyl-2-oxatri­cyclo[6,4,0,0^4,9]dodécane-3,12-diol. Produit de Réarrangement d'un Diépoxyde d'α-cis-Himachalène

Structure–Activity Relationships in 16- and 17-Substituted 5-Androstenes: 3β-Acet­oxy-17β-picolyl-5-androsten-16-one

Two 1-(Arylacetyl)-2-(amino­methyl)piperidine Derivatives, a Novel Class of Highly Selective κ-Opioid Analgesics

(4-Methoxyphenyl)di­phenylmethanol, an Unusual Tetramer Containing a D[R] Pattern of Hydrogen Bonds, and Tris(2-methoxyphenyl)methanol

2,4,6-Halogeno-Aniline Derivatives

(−)-Tetra­hydropalmatine Monohydrate

Methylxanthines. II. Anhydrous Theobromine

Complexe de Tétra­cyanoquinodiméthane et 4-Amino-3,5-bis­(2-pyridyle)-1,2,4-triazole (TCNQ:abpt)

1-(5-Methane­sulfinyl-2,2,6-tri­methyl-3a,3b,4,5,6,8a-hexa­hydro-1,3,8-trioxa­cyclo­penta[a]inden-5-yl)hexan-1-ol

N⁴,5-Di­methyl-2'-deoxycytidine

Epiclusianone: a New Natural Product Derivative of Bi­cyclo[3.3.1]nonane-2,4,9-trione

β-1-N-Ureido-D-gluco­pyranose

2,5-Di­eth­oxy-1,4-bis­(3,4-ethylene­dioxy-2-thienyl)benzene and its Tetra­hydro­furan 0.33-Solvate

1,1-Di­amino-2,2-di­nitro­ethylene: a Novel Energetic Material with Infinite Layers in Two Dimensions

(3RS,4RS)-2-Methyl-3,4-di­phenyl-5-hexen-3-ol

4-Hy­droxy-2-methyl-N-(5-methyl-1,3-thiazol-2-yl)-2H-1,2-benzo­thiazine-3-carboxamide 1,1-Dioxide

Tetra­cyano-p-xylene

2'-(1,3-Di­thiolan-2-yl­idene)-4'-(1,3-di­thiol-2-yl­idene)spiro[1,3-di­thiole-2,5'-(4'H-5',6'-di­hydro-1',3'-di­thia­pentalene)], the Self-Condensation Product of an Extended Tetra­thia­fulvalene Derivative

Di­bromo[(Z)-2-bromo-2-(hydroxymethyl)vinyl](n-butyl)tellurium(IV)

7-Meth­oxy-1-[1-(6-meth­oxy-2-naphthoyl)ethyl]-2-methyl-2,3-di­hydro-1H-cyclo­penta[a]naphthalen-3-one

Four N-Benzyl-Substituted 2-Ethyl-3-hydroxypyridin-4-ones

Tris{[tris­(2-hydroxymethyl)methyl]ammonium} D-3-Phosphoglycerate at 150K and Tris(cyclo­hexylammonium) D-3-Phosphoglycerate Ethanol Solvate at 85K

S-Benzyliso­thiouronium Chloride

17α-Acet­oxy-6-bromo-16β-methylpregna-4,6-diene-3,20-dione

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