Crystal structure of N-(7-di­bromo­methyl-5-methyl-1,8-naphthyridin-2-yl)benzamide–pyrrolidine-2,5-dione (1/1)

The title crystal is a co-crystal with the 1,8-naphthyridine derivative crystallizing with one mol­ecule of succinimide per formula unit. In the crystal, the two mol­ecules are mutually linked by N—H⋯O and N—H⋯N hydrogen bonds. The packing is consolidated by C—H⋯(O,N) hydrogen bonds and π–π stacking inter­actions.

Crystal structure of bis­{μ-(E)-2-[(2-oxido­phenyl­imino)­meth­yl]quinolin-8-olato-κ⁴O,N,N′,O′}bis­[di­butyl­tin(IV)]

The title compound crystallizes with two independent centrosymmetric dimers in the unit cell, each featuring a typical pincer-type structure where the dianionic ligand is tetra­dentate, coordinating to the central tin atom through both phenolate oxygen atoms, as well as through the quinoline and imine N atoms. Each metal atom adopts a distorted penta­gonal–bipyramidal SnC₂N₂O₃ coordination arising from the N,N′,O,O′-tetra­dentate deprotonated Schiff base and two butyl groups in the axial sites.

Disorder of the dimeric TCNQ–TCNQ unit in the crystal structure of [Ni(bpy)₃]₂(TCNQ–TCNQ)(TCNQ)₂·6H₂O (TCNQ is 7,7,8,8-tetra­cyano­quinodi­methane)

The first example of an Ni^II complex containing an σ-dimerized TCNQ–TCNQ unit is presented, with a C—C bond length of 1.653 (11) Å. In addition, the σ-dimerized TCNQ–TCNQ unit (refined 75% occupancy) is disordered, forming also a less populated pair of TCNQ mol­ecules (25% occupancy) with tightly π-stacked di­cyano­methanide groups.

Crystal structure of (6E,20E)-3,24-di­fluoro-13,14,28,29-tetra­hydro-5H,22H-tetra­benzo[e,j,p,u][1,4,12,15]tetra­oxa­cyclo­docosine-5,22-dione

The conformation of the title compound is cone-shaped, partially determined by short intra­molecular C—H⋯O contacts. In the crystal, mol­ecules are linked via C—H⋯O and C—H⋯F hydrogen bonds and C—H⋯π inter­actions, forming a three-dimensional supra­molecular structure.

Crystal structure of {(S)-1-phenyl-N,N-bis­[(pyridin-2-yl)meth­yl]ethanamine-κ³N,N′,N′′}bis­(thio­cyanato-κN)zinc from synchrotron data

The Zn^II ion in the title compound shows a distorted square-pyramidal coordination geometry with three N atoms of the chiral S-ppme ligand and two N atoms of the thio­cyanate anions. In the crystal, mol­ecules are connected by hydrogen bonds and π–π inter­actions, forming a two-dimensional supra­molecular network parallel to the bc plane.

Crystal structures of (E)-4-[1-(2-carbamo­thio­ylhydrazinyl­idene)eth­yl]phenyl acetate and (E)-4-[1-(2-carbamo­thio­ylhydrazinyl­idene)eth­yl]phenyl benzoate

In the title compounds, the thio­semicarbazone group adopts an extended conformation, and there is a short N—H⋯N contact present forming an S(5) ring motif. In the crystals of both compounds, mol­ecules are linked by pairs of N—H⋯S hydrogen bonds, forming dimers with (8) ring motifs.

Crystal structure of bis­(μ-N-hy­droxy­picolin­amid­ato)bis­[bis­(N-hy­droxy­picolinamide)­sodium]

In the crystal, the coordination dimers are linked via N—H⋯O, N—H⋯N and C—H⋯O hydrogen bonds and π–π stacking inter­actions into a two-dimensional framework parallel to (100).

Crystal structure of bis­{N′-[(E)-4-hy­droxy­benzyl­idene]pyridine-4-carbohydrazide-κN¹}di­iodidocadmium methanol disolvate

In the title structure, the Cd^II atom is located on a twofold rotation axis and is coordinated by two I atoms and two N atoms of two carboxyl­ate groups of two planar N′-[(E)-4-hy­droxy­benzyl­idene]pyridine-4-carbohydrazide ligands. N—H⋯O, O—H⋯O, C—H⋯O and C—H⋯I hydrogen bonding assembles the mol­ecules into a three-dimensional network.

Crystal structure of (perchlorato-κO)(1,4,7,10-tetra­aza­cyclo­dodecane-κ⁴N)copper(II) perchlorate

The crystal structure of (perchlorato-κO)(1,4,7,10-tetra­aza­cyclo­dodecane-κ⁴N)copper(II) perchlorate is reported. The crystal was grown from a solution of methanol at ambient temperature which resulted in no co-crystallization of solvent.

Synthesis and crystal structure of N-(4-chloro­phen­yl)-5,7-di­methyl-1,2,4-triazolo[1,5-a]pyrimidin-2-amine

The title compound, N-(4-chloro­phen­yl)-5,7-dimethyl-1,2,4-triazolo[1,5-a]pyrimidin-2-amine, was synthesized by cyclization of 1-(4,6-di­methyl­pyrimidin-2-yl)-4-phenyl­thio­semicarbazide in the presence of Ni(NO₃)₂. In the crystal, mol­ecules form inversion dimers via pairs of N—H⋯N hydrogen bonds, which are packed into layers by π-stacking inter­actions between the aromatic systems of neighbouring mol­ecules.

Crystal structure of (E)-9-({[4-(di­ethyl­amino)­phen­yl]imino}­meth­yl)-2,3,6,7-tetra­hydro-1H,5H-pyrido[3,2,1-ij]quinolin-8-ol

In the title compound, the hy­droxy group forms a intra­molecular hydrogen bond to the imine N atom and generates an S(6) ring motif. The conformation about the C=N bond is E, and the aromatic ring of the julolidine moiety is inclined to the benzene ring by 3.74 (14)°.

Crystal structure of chlorido­[1-(4-nitro­phen­yl)thio­urea-κS]bis­(tri­phenyl­phosphane-κP)copper(I)

The mononuclear title complex contains a chloride, a 1-(4-nitro­phen­yl)thio­urea and two tri­phenyl­phosphane ligands, leading to a tetra­hedrally arranged ClP₂S coordination set. N—H⋯Cl and C—H⋯O hydrogen bonds connect the mol­ecules into a three-dimensional network.

Crystal structure of 2-oxo-2H-chromen-3-yl 4-chloro­benzoate and Hirshfeld surface analysis

In the title compound, C₁₆H₉ClO₄, the dihedral angle between the coumarin ring system [maximum deviation = 0.023 (1) Å] and the benzene ring is 73.95 (8)°.

Crystal structure of meso-di-μ-chlorido-bis­[bis­(2,2′-bi­pyridine)­cadmium] bis­(1,1,3,3-tetra­cyano-2-eth­oxy­propenide) 0.81-hydrate

In the title compound, which was prepared using a hydro­thermal reaction between 2,2′-bi­pyridine, cadmium(II) chloride and potassium 1,1,3,3-tetra­cyano-2-eth­oxy­propenide, the complex cations are linked into sheets by C—H⋯Cl hydrogen bonds.

Crystal structure of catena-poly[[bis­(N-acethyl­thio­morpholine-κS)copper(I)]-μ-iodido]

In the title compound, the Cu^I atom is coordinated by two S atoms and two I atoms in a distorted tetra­hedral mode.

Crystal structure of 4-(4b,8a-di­hydro-9H-pyrido[3,4-b]indol-1-yl)-7-methyl-2H-chromen-2-one

In the title compound, the dihedral angle between the mean planes of the coumarin and β-carboline ring systems is 63.8 (2)°. In the crystal, mol­ecules are linked via N—H⋯N hydrogen bonds, forming chains along the [010] direction.

Crystal structure of 1-[2-(4-chloro­phen­yl)-4,5-di­phenyl-1H-imidazol-1-yl]propan-2-ol

The mol­ecular and crystal structure of the title imidazole derivative is reported. The structure is stabilized by an extensive O—H⋯N, C—H⋯O/Cl and C—H⋯π(ring) hydrogen-bonding network.

Crystal structures of bis­[(9S,13S,14S)-3-meth­oxy-17-methyl­morphinanium] tetra­chlorido­cobaltate and tetra­chlorido­cuprate

In the crystal structures of title compounds, two identical protonated dextromethorphan cations are connected to tetra­chlorido­cobaltate (or tetra­chlorido­cuprate) anions via strong N—H⋯Cl hydrogen bonds, forming neutral ion associates

Crystal structure of μ-carbonyl-1:2κ²C:C-carbonyl-1κC-(1η⁵-cyclo­penta­dien­yl)iodido-2κI-[μ-2-(pyridin-2-yl)ethene-1,1-diyl-1κC¹:2κ²N,C¹]ironpalladium(Fe—Pd) benzene monosolvate

The title binuclear μ-pyridyl­vinyl­idene FePd complex (FePd1) was obtained from Cp(CO)₂FeI and 2-ethynyl­pyridine in diisorpopyl­amine in the presence of PdCl₂

Crystal structure of bis­[cis-(1,4,8,11-tetra­aza­cyclo­tetra­decane-κ⁴N)bis­(thio­cyanato-κN)chrom­ium(III)] dichromate monohydrate from synchrotron X-ray diffraction data

The asymmetric unit of the title compound comprises of one complex cation, one half of a Cr₂O₇²⁻ anion and one half of a water mol­ecule. The Cr^III ion has a distorted octa­hedral coordination by four N atoms of the cyclam ligand and by two N-bonded NCS groups in cis positions; the conformation of the dichromate anion is staggered.

Hydrogen bonds and van der Waals forces as tools for the construction of a herringbone pattern in the crystal structure of hexane-1,6-diaminium hexane-1,6-diyl bis­(hydrogen phospho­nate)

The solid-state structure of the title salt, [H₃N(CH₂)₆NH₃][(HO)O₂P(CH₂)₆PO₂(OH)], possesses a herringbone motif as a consequence of the inter­play of strong hydrogen bonds and non-covalent inter­actions.

Crystal structure and absolute configuration of (3aR,3′aR,7aS,7′aS)-2,2,2′,2′-tetra­methyl-3a,6,7,7a,3′a,6′,7′,7′a-octa­hydro-4,4′-bi[1,3-benzodioxol­yl], obtained from a Pd-catalyzed homocoupling reaction

The crystal structure of a homocoupled compound with absolute configuration 3aR,3′aR,7aS,7′aS was determined. The mol­ecule contains two similar moieties composed of two fused rings. Its supra­molecular structure is controlled mainly by C—H⋯O inter­actions.

Crystal structure of (2R*,3aR*)-2-phenyl­sulfonyl-2,3,3a,4,5,6-hexa­hydro­pyrrolo­[1,2-b]isoxazole

A new isoxazolidine has been obtained by 1,3-dipolar cyclo­addition of a nitrone and phenyl vinyl sulfone

Crystal structure of a rare trigonal bipyramidal titanium(IV) coordination complex: tri­chlorido­(3,3′-di-tert-butyl-2′-hy­droxy-5,5′,6,6′-tetra­methyl-1,1′-bi­phenyl-2-olato-κO²)(tetra­hydro­furan-κO)­titanium(IV)

The synthesis and structure of a rare example of a trigonal–bipyramidal titanium coordination complex with three chlorides and two oxygen donor ligands is reported.

Crystal structure of dirubidium hydrogen citrate from laboratory X-ray powder diffraction data and DFT comparison

The crystal structure of dirubidium hydrogen citrate has been solved and refined using laboratory X-ray powder diffraction data, and optimized using density functional techniques.