Crystal structure of (E)-2-hy­droxy-4′-meth­oxy­aza­stilbene

The title compound has an E conformation with respect to the azomethine C=N bond and the aromatic rings are inclined to one another by 3.29 (4)°. In the crystal, mol­ecules are linked via C—H⋯O hydrogen bonds, forming zigzag chains along [10-1].

Crystal structures of methyl 3-(4-iso­propyl­phen­yl)-1-methyl-1,2,3,3a,4,9b-hexa­hydro­thio­chromeno[4,3-b]pyrrole-3a-carboxyl­ate, methyl 1-methyl-3-(o-tol­yl)-1,2,3,3a,4,9b-hexa­hydro­thio­chromeno[4,3-b]pyrrole-3a-carboxyl­ate and methyl 1-methyl-3-(o-tol­yl)-3,3a,4,9b-tetra­hydro-1H-thio­chromeno[4,3-c]isoxazole-3a-carboxyl­ate

Three thio­chromeno[4,3-b]pyrrole esters have very similar conformations. Structurally two of the compounds differ only by the substituent on the benzene ring, i.e. 4-iso­propyl­phenyl and o-tolyl, while two of the compounds differ only in that one has a pyrrole ring and one has an isoxazole ring.

Crystal structure of an unknown solvate of bis­(tetra-n-butyl­ammonium) [N,N′-(4-tri­fluoro­methyl-1,2-phenyl­ene)bis­(oxamato)-κ⁴O,N,N′,O′]nickelate(II)

In the title compound, the Ni²⁺ cation is coordinated by two deprotonated amido N atoms and two carboxyl­ate O atoms, setting up a square-planar coordination environment. The cations and the anion are linked by weak intra- and inter­molecular C—H⋯O and C—H⋯F hydrogen bonds.

Crystal packing in three related disaccharides: precursors to heparan sulfate oligosaccharides

The structures of three disaccharide mol­ecules, precursors to novel therapeutics, as determined from weakly diffracting crystals are presented. The crystal packing depends mainly on weak C—H⋯O hydrogen-bond inter­actions, augmented by C—H⋯π contacts in the best-defined structure.

Crystal structure of barium perchlorate anhydrate, Ba(ClO₄)₂, from laboratory X-ray powder data

The previously unknown crystal structure of barium perchlorate anhydrate, determined and refined from laboratory X-ray powder diffraction data, represents a new structure type. The structure can be described as a three-dimensional polyhedral network resulting from the corner- and edge-sharing of BaO₁₂ polyhedra and ClO₄ tetra­hedra.

Crystal structures of spinel-type Na₂MoO₄ and Na₂WO₄ revisited using neutron powder diffraction

High-precision structural parameters for cubic Na₂MoO₄ and Na₂WO₄ are reported based on refinement of high-resolution time-of-flight neutron powder diffraction data. Complementary Raman spectra are also provided.

Synthèse et étude structrale de lyonsite-type (Na_0,4,Li_0,6)(Fe,Li₂)(MoO₄)₃

The anionic framework of (Na_0.4,Li_0.6)(Fe,Li₂)(MoO₄)₃ is built up from two distinct MO₆ octa­hedra, each containing disordered Li⁺ and Fe³⁺ ions, and two MoO₄ tetra­hedra, which link by vertex-sharing of their O atoms. These tetra­meric units are further linked by sharing edges between octa­hedra and by formation of M—O—Mo (M = Fe/Li) bridges, forming ribbons propagating in the [100]. The ribbons are cross-linked in both the b- and c-axis directions, giving rise to a three-dimensional framework having [100] tunnels in which the monovalent Na⁺/Li⁺ cations lie.

Crystal structure of (E)-N-{2-[2-(3-chloro­benzyl­idene)hydrazin­yl]-2-oxoeth­yl}-4-methyl­benzene­sulfonamide monohydrate

The title aryl­sulfonyl glycinyl hydrazone Schiff base compound crystallizes as a monohydrate. In the crystal, a series of O—H⋯O and N—H⋯O hydrogen bonds leads to the formation of corrugated sheets lying parallel to (100).

Isolation of 3-amino-4-nitro­benzyl acetate: evidence of an undisclosed impurity in 5-amino-2-nitro­benzoic acid

The crystal stucture of 3-amino-4-nitro­benzyl displays intra­molecular resonance-assisted hydrogen bonding between the ortho amino and nitro groups in addition to an inter­molecular network of hydrogen bonding and π-stacking.

Crystal structures of five (2-chloro­quinolin-3-yl)methyl ethers: supra­molecular assembly in one and two dimensions mediated by hydrogen bonding and π–π stacking

Five closely related (2-chloro­quinlin-3-yl)methyl ethers all exhibit different patterns of direction-specific inter­molecular inter­actions, leading to the formation of different types of chain in four of them and sheets in the fifth.

Crystal structure of 4-[(5-methyl­isoxazol-3-yl)amino­sulfon­yl]anilinium 3,5-di­nitro­salicylate

The title mol­ecular salt, consists of a sulfamethoxazolium (SMZ) cation and a 3,5-di­nitro­salicylate (DNS) anion, which are linked by an N—H⋯O hydrogen bond. In the crystal, the cations and anions are linked via N—H⋯O, N—H⋯N and C—H⋯O hydrogen bonds, forming a three-dimensional framework.

Crystal structure of (2-chloro­eth­yl)[2-(methyl­sulfan­yl)benz­yl]ammonium chloride

In the cation of the title mol­ecular salt, the N atom is protonated with sp³-hybridization and has a tetra­hedral geometry. In the crystal, the cations are bridged by the Cl⁻ anions via N—H⋯Cl hydrogen bonds, forming four-centred inversion dimers with an (8) ring motif.

Crystal structure of catena-poly[[chlorido­(4,4′-di­methyl-2,2′-bi­pyridine-κ²N,N′)copper(II)]-μ-chlorido]

The structure of a previously unknown form of di­chlorido­(4,4′-dimethyl-2,2′-bi­pyridine)­copper(II) was obtained via a DMSO-mediated dehydration of Cu(4,4′-dimethyl-2,2′-bi­pyridine)­copper(II)·0.25H₂O. The crystal structure reveals chloride-bridged copper(II) chains connected via inter­molecular C—H⋯Cl hydrogen bonds.

Crystal structures of five 1-alkyl-4-aryl-1,2,4-triazol-1-ium halide salts

To investigate the predominant inter­molecular inter­actions in 1-alkyl-4-aryl-1,2,4-triazol-1-ium halide salts, five salts were prepared and crystallographically characterized. The halide ions generally inter­act with the H atoms of the triazolium cation forming extended sheets. When the aryl ring lies on the plane of the triazolium cation, the cationic core formed two-dimensional networks that lead into layer-like assembled structures. The triazolium core exhibits π–π inter­actions with the iodide and/or the aryl ring of another layer. The melting-point temperatures of each salt were also determined.

Crystal structure of CsCrAs₂O₇, a new member of the diarsenate family

The structure of CsCrAs₂O₇ can be described as a three-dimensional [CrAs₂O₇]⁻ anionic framework in which the Cs⁺ cations are located in empty channels running along [001].

Crystal structure of the Fe-member of usovite

The compound with the idealized composition Ba₂CaFeAl₂F₁₄ crystallizes in the usovite structure type. Two models with different treatment of the disordered Fe site are presented.

Crystal structure of trans-di­chlorido­(4-nitro­aniline-κN¹)(piperidine-κN)platinum(II)

The packing of the title compound features N—H⋯Cl hydrogen bonds and π–π stacking inter­actions, which form one-dimensional chains of mol­ecules parallel to [001] further linked via N—H⋯O inter­actions.

Crystal structure of penta­potassium di­hydrogen nona­vanadato(V)platinate(IV) nona­hydrate

The polyanion in K₅[H₂PtV₉O₂₈]·9H₂O has approximate mm2 (C_2v) symmetry. The two platinum-bound μ₂-O atoms are protonated in the polyanion. The heteropolyanions form inversion-generated dimers, {[H₂PtV₉O₂₈]₂}¹⁰⁻, held together by μ₂-O—H⋯μ₂-O and μ₂-O—H⋯μ₃-O hydrogen bonds.

Crystal structure of trans-bis­(ethane-1,2-di­amine-κ²N,N′)bis­(thio­cyanato-κN)chromium(III) perchlorate from synchrotron data

The centrosymmetric Cr^III ion in the title compound shows a distorted octa­hedral coordination with four N atoms of two ethane-1,2-di­amine ligands in the equatorial plane and two N-coordinated NCS⁻ groups in trans-axial positions. The ethane-1,2-di­amine ligand in the complex cation and the ClO₄⁻ anion are both disordered.

Crystal structures of four indole derivatives as possible cannabinoid allosteric antagonists

The crystal structures of four indole derivatives with various substituents at the 2-, 3- and 5-positions of the ring system are described. The dominant inter­molecular inter­action in each case is an N—H⋯O hydrogen bond, which generates either chains or inversion dimers. Weak C—H⋯O, C—H⋯π and π–π inter­actions occur in these structures but there is no consistent pattern amongst them. Two of these compounds act as modest enhancers of CB1 cannabanoid signalling and two are inactive.

Crystal structure of 1-[(6-chloro­pyridin-3-yl)sulfon­yl]-1,2,3,4-tetra­hydro­quinoline

In the crystal structure of 1-[(6-chloro­pyridin-3-yl)sulfon­yl]-1,2,3,4-tetra­hydro­quinoline, the tetra­hydro­pyridine ring of the quinoline system adopts a half-chair conformation and the bond-angle sum at the N atom is 350.0°.

Crystal structure of NH₄[La(SO₄)₂(H₂O)]

The structure of (NH₄)[La(SO₄)₂(H₂O)] comprises LaO₉ polyhedra and SO₄ tetra­hedra, which are linked by common edges and vertices, forming a three-dimensional network with the hydrogen-bonded NH₄⁺ ions in the cavities.

Crystal structure of aqua­{μ-N-[3-(di­methyl­amino)­prop­yl]-N′-2-(oxidophen­yl)oxamidato}(1,10-phen­anthroline-5,6-dione)dicopper(II) perchlorate hemihydrate

The N-[3-(di­methyl­amino)­prop­yl]-N′-(2-hy­droxy­phen­yl)oxamide trianion bridges two Cu^II cations to form the binuclear complex, in which the Cu^II cations have distorted square-planar and square-pyramidal coordination geometries.

Crystal structures and hydrogen bonding in the anhydrous tryptaminium salts of the isomeric (2,4-di­chloro­phen­oxy)acetic and (3,5-di­chloro­phen­oxy)acetic acids

The anhydrous tryptaminium salts of isomeric (2,4-di­chloro­phen­oxy)acetic acid and (3,5-di­chloro­phen­oxy)acetic acid give one-dimensional hydrogen-bonded chain structures which differ both in their cation–anion conformations and modes of inter-ion inter­action.

Crystal structures of coordination polymers from CaI₂ and proline

Reactions of L- and DL-proline with CaI₂ yields two crystalline products. The zwitterionic proline bridges the Ca cations with its carboxyl­ate group in different coordination modes to form one-dimensional coordination polymers.

Crystal structure of 1,13,14-tri­aza­dibenz[a,j]anthracene 1,1,2,2-tetra­chloro­ethane monosolvate

The crystal structure of 1,1,2,2-tetra­chloro­ethane (TCE)-solvated 1,13,14-tri­aza­dibenz[a,j]anthracene (dibenzo[c,h]-1.9,10-anthyridine, dbanth) was determined by X-ray diffraction study. Two H atoms in the solvated TCE mol­ecule form inter­molecular C—H⋯(N,N) hydrogen bonds with three N atoms in dbanth. π–π inter­actions link the dbanth mol­ecules to form a one-dimensional columnar structure.

Crystal structure of tri­aqua­(4-cyano­benzoato-κ²O,O′)(nicotinamide-κN¹)zinc 4-cyano­benzoate

In the title salt, [Zn(C₈H₄NO₂)(C₆H₆N₂O)(H₂O)₃](C₈H₄NO₂), inter­molecular O—H⋯O hydrogen bonds link two of the coordinating water mol­ecules to two free 4-cyano­benzoate anions. N—H⋯O, O—H⋯O and C—H⋯O hydrogen bonds link the mol­ecular components, enclosing (12), (8) and (9) ring motifs and forming layers parallel to (001).

Crystal structure of 4-(tri­methyl­germ­yl)benzoic acid

During synthesis of the corresponding aldehyde, 4-(tri­methyl­germ­yl)benzoic acid was obtained as a side-product. It crystallizes with two independent mol­ecules in the asymmetric unit which exhibit slightly different geometries. In the crystal structure, centrosymmetric hydrogen-bonded dimers of the mol­ecular pairs are formed.

Crystal structure of a sodium, zinc and iron(III)-based non-stoichiometric phosphate with an alluaudite-like structure: Na_1.67Zn_1.67Fe_1.33(PO₄)₃

The transition-metal orthophosphate Na_1.67Zn_1.67Fe_1.33(PO₄)₃ cristallizes in an alluaudite-type structure. The chains characterizing the alluaudite structure are then built up from [M₂O10] (M = Fe/Zn) units alternating with [ZnO₆] octa­hedra. This structure is characterized by a cationic disorder in one tunnel and in the general position.

Crystal structures of (1,4,7,10-tetra­aza­cyclo­dodecane-κ⁴N)bis­(tri­cyano­methanido-κN)nickel and (1,4,7,10-tetra­aza­cyclo­dodecane-κ⁴N)(tri­cyano­methanido-κN)copper tri­cyano­methanide

Two new nickel and copper tri­cyano­methanide (tcm⁻) complexes with 1,4,7,10-tetra­aza­cyclo­dodecane (cyclen) as a co-ligand have been synthesized and structurally characterized.

Crystal structure of μ-cyanido-1:2κ²N:C-dicyanido-1κC,2κC-bis­(quinolin-8-amine-1κ²N,N′)-2-silver(I)-1-silver(II): rare occurrence of a mixed-valence Ag^I,II compound

The title compound, [Ag₂(CN)₃(C₉H₈N₂)₂], is a mixed-valence disilver mol­ecular complex. The Ag⁺ ion has the expected linear coordination geometry, while the Ag²⁺ centre is six-coordinated with a distorted [AgN₅C] octa­hedral geometry. This compound belongs to class 1 or class 2 complexes in the Robin–Day classification.

Crystal structure of aqua­[(E)-N′-(5-bromo-2-oxido­benzyl­idene-κO)benzohydrazidato-κ²O,N′]dioxidomolybdenum(VI) di­methyl­formamide monosolvate

The title compound, [MoO₂(C₁₄H₉N₂O₂Br)H₂O]·C₃H₇NO, has a three-dimensional supra­molecular arrangement via a number of inter­molecular C—H⋯O, O—H⋯N and O—H⋯O hydrogen bonds, as well as C—H⋯π and π–π inter­actions.

Crystal structure of bis­{S-hexyl 3-[4-(di­methyl­amino)­benzyl­idene]di­thio­carbazato-κ²N³,S}copper(II)

In the title complex, the Cu^II atom exhibits a square-planar coordination geometry and is located on a crystallographic inversion centre, leading to a trans configuration of the N,S-chelating ligands.

Crystal structure of poly[(2,2′-bi­pyridine-κ²N,N′)tetra­kis­(μ-cyanido-κ²N:C)dinickel(II)]

The binuclear coordination polymer consists of two nickel cations with different coordination environments. One has a square-planar environment whereas the other has an octa­hedral environment. Cyanide ligands bridge the cations into a polymeric layer structure.

Crystal structure of 1-ethyl-5-iodo­indolin-2-one

Mol­ecules of 1-ethyl-5-iodo­indolin-2-one are arranged in columns extending along the a axis and inter­act with the mol­ecules in adjacent columns via inter­molecular C—H⋯O hydrogen bonds and I⋯I short contacts. A one-dimensional zigzag iodine chain along the a axis can be recognized between two neighbouring columns.

Crystal structure of bis­(1,1,2,2-tetra­methyl­diphosphane-1,2-di­thione-κ²S,S′)copper(I) tetra­fluorido­borate

In the title salt, [Cu(C₄H₁₂P₂S₂)₂]BF₄, both diphosphine di­sulfide mol­ecules bind to the Cu^I atom as chelating ligands via the S atoms, forming a monovalent cation with a slightly distorted tetra­hedral coordination around the Cu^I atom. The ligand chelate rings are twisted in opposite directions, with one in the λ and one in the δ configuration. In the crystal, possible C—H⋯F hydrogen bonds may stabilize the orientation.

Crystal structure of methyl (2Z)-3-(4-chloro­phen­yl)-2-[(3-methyl-1H-indol-1-yl)meth­yl]prop-2-enoate

In the title indole derivative, the chloro­phenyl ring is almost perpendicular to the indole moiety, making a dihedral angle of 87.59 (6)°. In the crystal, mol­ecules are linked via C—H⋯π inter­actions, forming C(9) chains along the [10] direction.

Crystal structure and biological evaluation of 4-methyl­morpholin-4-ium 1,3-di­methyl-2,6-dioxo-5-(2,4,6-tri­nitro­phen­yl)-1,2,3,6-tetra­hydro­pyrimidin-4-olate

In the crystal of title mol­ecular salt, the protonated N atom of the 4-methyl­morpholin-4-ium cation forms a hydrogen bond with a carbonyl O atom of the barbiturate anion. This N—H⋯O hydrogen bond contributes to the good stability of the reported salt, which exhibits noticeable anti­convulsant and hypnotic activity.

Crystal structure of seleno-L-cystine di­hydro­chloride

The crystal structure of seleno-L-cystine, in its hydro­chloric acid salt, is isotypic with the common analogue with Se atoms replaced by sulfur, i.e. L-cystine hydro­chloride.

Crystal structure of (E)-N-{2-[2-(4-methyl­benzyl­idene)hydrazin-1-yl]-2-oxoeth­yl}-p-toluene­sulfonamide

The title compound, an aryl­sulfonyl glycinyl aryl hydrazone Schiff base, crystallizes with two independent mol­ecules in the asymmetric unit. In the crystal, a series of N—H⋯O and C—H⋯O hydrogen bonds and C—H⋯π and slipped parallel π–π inter­actions link the mol­ecules, forming a three-dimensional structure.

Crystal structure of hexa­aqua­dichlorido­ytterbium(III) chloride

Crystal structure of poly[di­aqua­(μ₂-benzene-1,4-di­carboxyl­ato-κ²O¹:O⁴)(μ₂-benzene-1,4-di­carboxyl­ato-κ⁴O¹,O^1′:O⁴,O^4′)bis­(μ₂-3,3′,5,5′-tetra­methyl-4,4′-bi­pyrazole-κ²N:N′)dinickel(II)]

Crystal structure of poly[[μ-4-(hy­droxy­meth­yl)pyridine-κ²N:O][4-(hy­droxy­meth­yl)pyridine-κN](μ-thio­cyanato-κ²N:S)(thio­cyanato-κN)cadmium]

Crystal structure of poly[[μ-1,1′-(butane-1,4-di­yl)bis­(1H-benzimidazole)-κ²N³:N^3′]{μ-4,4′-[1,4-phenyl­enebis(­oxy)]di­ben­zoato-κ⁴O,O′:O′′,O′′′}cobalt(II)]

Crystal structure of bis­[μ-bis­(di­phenyl­phosphan­yl)methane-κ²P:P′]-μ-chlorido-chlorido-1κCl-(1-phenyl­thio­urea-2κS)disilver aceto­nitrile hemisolvate

Crystal structure of catena-poly[[[di­aqua­cobalt(II)]-bis­(μ-hex-3-enedi­nitrile-κ²N:N′)] bis­(tetra­fluorido­borate)]

Crystal structure of di-μ-iodido-bis­{[1,3-bis­(2,6-diiso­propyl­phen­yl)imidazol-2-yl­idene]lithium}

Crystal structure of tetra­aqua­bis­(3,5-di­amino-4H-1,2,4-triazol-1-ium)cobalt(II) bis­[bis­(pyridine-2,6-di­carboxyl­ato)cobaltate(II)] dihydrate

Crystal structure of 1,3,6,8-tetra­bromo-9-ethyl-9H-carbazole

Crystal structure of 4-meth­oxy­phenyl 2-oxo-2H-chromene-3-carboxyl­ate

Crystal structure of 2,4-di­amino-7-(hy­droxy­meth­yl)pteridin-1-ium nitrate

Crystal structure of 2-amino-3-ethyl-4,5-di­hydro-1,3-thia­zol-3-ium 3-chloro­benzo­ate

Crystal structure of 14-methyl-11-(3-methyl­phen­yl)-12-oxa-8,14-di­aza­tetra­cyclo­[8.3.3.0^1,10.0^2,7]hexa­deca-2(7),3,5-triene-9,13-dione

Crystal structure of (4Z)-4-[(2E)-1-hy­droxy-3-(naphthalen-2-yl)prop-2-en-1-yl­idene]-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one

Crystal structure of 2-(p-tol­yl)-6-(tri­fluoro­meth­yl)benzo[b]thio­phene-3-carbo­nitrile

Crystal structure of (Z)-2-(5-fluoro-2-oxoindolin-3-yl­idene)hydrazinecarbo­thio­amide

Crystal structure of 1,2-bis­[(2-tert-butyl­phen­yl)imino]­ethane

Crystal structure of 2-(4-chloro-3-fluoro­phen­yl)-1H-benzimidazole

Crystal structure of 2-nitro-N-(2-nitro­phen­yl)benzamide

Crystal structure of di­benzyl­dimethyl­silane

Crystal structure of (4Z)-4-[(2E)-3-(4-chloro­phen­yl)-1-hy­droxy­prop-2-en-1-yl­idene]-5-methyl-2-phenyl-1H-pyrazol-5(4H)-one

Crystal structure of 3-(3,4,5-tri­meth­oxy­phen­yl)-1,2,3,4-tetra­hydro­cyclo­penta[b]indole-2-carb­oxy­lic acid

Crystal structure of 3-methyl-5-tri­methyl­silyl-1H-pyrazole

Redetermined crystal structure of β-DL-me­thio­nine at 320 K

Crystal structure of tert-butyl­diphenyl­phosphine oxide

Crystal structure of di­methyl 2,5-bis­[(di­phen­oxy­phosphor­yl)­oxy]cyclo­hexa-1,4-diene-1,4-di­carboxyl­ate

Crystal structure of N,N′-[(thio­phene-2,5-di­yl)bis­(methanylyl­idene)]di-p-toluidine

Crystal structure of 3β-acet­oxy­androsta-5,16-dien-17-yl tri­fluoro­methane­sulfon­ate

Crystal structure of 4-amino-2,6-di­chloro­phenol

Crystal structure of (4Z)-4-[(2E)-3-(2-chloro­phen­yl)-1-hy­droxy­prop-2-en-1-yl­idene]-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one

Crystal structure of 4-benzamido-2-hy­droxy­benzoic acid

Crystal structure of benzyl­tri­phenyl­phospho­nium chloride monohydrate

Crystal structure of p-toluene­sulfonyl­methyl isocyanide

Crystal structure of 3-(3,4-di­methyl­anilino)-2-benzo­furan-1(3H)-one

Crystal structure of (4E)-4-(8-meth­oxy-2H-chromen-2-yl­idene)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one

Crystal structure of 4-chloro-2-{(E)-[(3,4-di­methyl­phen­yl)imino]­meth­yl}phenol

Crystal structure of 4-amino-3-(3-methyl-5-phenyl-1H-pyrazol-1-yl)-1H-1,2,4-triazole-5(4H)-thione

Crystal structure of 2-{[(5-nitro­thio­phen-2-yl)methyl­idene]amino}­phenol

Crystal structure of 2,2-di­methyl-N-(5-methyl­pyridin-2-yl)propanamide

1-{[(E)-(4-{[(2Z)-2,3-Di­hydro-1,3-thia­zol-2-yl­idene]sulfamo­yl}phen­yl)iminium­yl]meth­yl}naphthalen-2-olate

Crystal structure of (E)-2-benzyl­idene-4-[(3-phenyl-4,5-di­hydro­isoxazol-5-yl)meth­yl]-2H-benzo[b][1,4]thia­zin-3(4H)-one

Crystal structure of N-carbamo­thioyl-2-methyl­benzamide

Crystal structure of (E)-undec-2-enoic acid

Crystal structure of 1-((1E)-{(E)-2-[(2-hy­droxy­naphthalen-1-yl)methyl­idene]hydrazin-1-yl­idene}meth­yl)naphthalen-2-ol

Crystal structure of oryzalin

Crystal structure of [1,1′-biphen­yl]-2,2′-dicarbo­nitrile

Crystal structure of (1E,1′E)-N,N′-(ethane-1,2-di­yl)bis­[(pyridin-2-yl)methanimine]

Crystal structure of (E)-4-ethyl-2-(4-meth­oxy­benzyl­idene)-3,4-di­hydro­naphthalen-1(2H)-one

Crystal structure of (E)-3-allyl-2-sulfanyl­idene-5-[(thio­phen-2-yl)methyl­idene]thia­zolidin-4-one

Crystal structure of bis­(prop-2-yn-1-yl) 5-nitro­isophthalate

Crystal structure of 5-(4-methyl­phen­yl)-3-[(E)-2-(4-methyl­phen­yl)ethen­yl]cyclo­hex-2-en-1-one