Crystal structure of tri­benzyl­bis­(tetra­hydro­furan-κO)lutetium(III)

In the compound [Lu(C₇H₇)₃(C₄H₈O)₂], the Lu ion is coordinated by three benzyl and two tetra­hydro­furan ligands. Two of the benzyl groups are bonded in a classical η¹-fashion through the methyl­ene via the ipso-carbon atom of the benzyl ligand in addition to bonding through the methyl­ene C atom, resulting in a modified trigonal–bipyramidal coordination geometry about the Lu center.

Structure cristalline, caractérisation spectroscopique, calcul DFT et analyse de surface Hirshfeld du perchlorate de p-toluidinium

A new organic perchlorate, C₇H₁₀N⁺·ClO₄⁻, was synthesized by slow evaporation at room temperature and its crystal structure was determined. This compound was characterized by powder XRD, IR, and UV–Vis spectroscopy. The DFT optimized structure at the B3LYP/6–311++G (d,p) level was compared with the experimentally determined mol­ecular structure in the solid state. Hirshfeld surface and fingerprint plots are presented and discussed.

Crystal structures of 2,4,6-tri­iodo­benzo­nitrile and 2,4,6-tri­iodo­phenyl isocyanide

The title crystals are isomorphous, and form centrically stacked planar sheets formed by CN⋯I and NC⋯I short contacts.

Further investigation on the nitration of BODIPY with cupric nitrate: crystal structures of 4,4-di­fluoro-1,3,5,7,8-penta­methyl-2-nitro-4-bora-3a,4a-di­aza-s-indacene, 4,4-di­fluoro-3-nitro-8-phenyl-4-bora-3a,4a-di­aza-s-indacene, and 3-chloro-6-ethyl-5,7,8-tri­methyl-2-nitro-4,4-di­phenyl-4-bora-3a,4a-di­aza-s-indacene

The treatment of non-fully substituted 4,4-di­fluoro-4-bora-3a,4a-di­aza-s-indacene (BODIPY) with cupric nitrate leads to the introduction of a nitro group at different positions of the BODIPY core, depending on the substitution pattern. This methodology complements the treatment of fully substituted BODIPY with cupric nitrate that was previously reported. In all three structures, the fused ring system is in a very flattened `V-shape' and the central six-membered ring adopts a flattened sofa conformation.

Crystal structure of KNaCuP₂O₇, a new member of the diphosphate family

KNaCuP₂O₇ is a member of the diphosphate family and crystallizes isotypically with α-Na₂CuP₂O₇. The structure exhibits nearly eclipsed diphosphate units, distorted CuO₅ square-pyramids, and distorted NaO₇ and KO₉ polyhedra as the main building units.

Binary and ternary charge-transfer complexes using 1,3,5-tri­nitro­benzene

Three binary and one ternary charge-transfer complexes have been made using 1,3,5-tri­nitro­benzene, all of which show alternating donor and acceptor stacks, which have weak C—H⋯O hydrogen bonds perpendicular to the stacking axis. The final complex is a crystal engineering attempt to modify the packing of the stacks by inserting a third mol­ecule into the structure; this third mol­ecule features strong hydrogen bonds between the carb­oxy­lic acid group of the donor mol­ecule and the pyridine acceptor mol­ecule.

Crystal structure and Hirshfeld surface analysis of (E)-2-(5-bromo-2-hy­droxy­benzyl­idene)hydrazine­carbo­thio­amide di­methyl sulfoxide monosolvate

The mol­ecule of the title Schiff base, has an E conformation with respect to the C=N bond, and a dihedral angle of 14.54 (11)° between the benzene ring and the mean plane of the N—N—C(N)=S hydrazinecarbo­thio­amide unit.

Crystal structure of ethyl 2-methyl-5,10-dioxo-4-phenyl-5,10-di­hydro-4H-11-thia-1,4a-di­aza­benzo[b]fluorene-3-carb­oxy­late

The di­hydro­pyrimidine ring adopts a twist-boat conformation while the quinone ring is slightly non-planar. In the crystal, mol­ecules are linked by weak C—H⋯O and C—H⋯S hydrogen bonds and C—H⋯π inter­actions. In addition, a short inter­molecular S⋯N contact occurs.

Crystal structure of the acyclic form of 1-de­oxy-1-[(4-methoxyphenyl)(methyl)amino]-D-fructose

The monoclinic unit contains a rare acyclic keto tautomer of the amino sugar involved in the extensive hydrogen-bonding patterns. The acyclic conformation is a minor species in the compound's solution.

The crystal structure of a new ferrocenyl P,N ligand: 1-[(2,2-di­methyl­hydrazin-1-yl­idene)meth­yl]-1′-(di­phenyl­phospho­rothio­yl)ferrocene

The asymmetric unit of the title compound contains two independent mol­ecules with very similar conformations. Each mol­ecule is built up from a ferrocene unit substituted in the 1 and 1′ positions by a protected sulfur di­phenyl­phosphine and by a di­methyl­hydrazine fragment.

Crystal structure of 4-(pyrazin-2-yl)morpholine

The N atom of morpholine was coupled to the 2-carbon atom of pyrazine in a Pd^II/phosphatri­aza­adamantyl butane saltone-catalysed reaction and crystallized from the eluent (EtOAc–hexa­ne) after chromatography. In the crystal, the mol­ecules form sheets parallel to the b axis, which are supported by non-classical hydrogen-bonding inter­actions between C—H functionalities and the O atom of morpholine and the 4-N atom of pyrazine, respectively.

Crystal structures of tetra­kis­(pyridine-4-thio­amide-κN)bis­(thio­cyanato-κN)cobalt(II) monohydrate and bis­(pyridine-4-thio­amide-κN)bis­(thio­cyanato-κN)zinc(II)

The crystal structures of the title compounds consists of discrete octa­hedral (Co) or tetra­hedral (Zn) complexes that are linked by inter­molecular hydrogen-bonding inter­actions into three-dimensional networks.

A new cadmium coordination polymer based on 4-amino-4H-1,2,4-triazole

Here we report the chemical synthesis and crystal structure of a new hybrid chloro-cadmium coordination polymer based on 4-amino-4H-1,2,4 triazole solved by single-crystal X-ray diffraction. With an unusual architecture, the crystal structure exhibits two distorted octa­hedral coordinations of Cd^II joined by edge sharing. The first is composed by four chlorine and two N atoms from the triazole ligands. The second is formed by five Cl atoms and by one N atom from the triazole ligand.

Bis(4-meth­oxy­chalcone 4-ethyl­thio­semi­carbazon­ato-κ²N¹,S)zinc(II): crystal structure and Hirshfeld surface analysis

The title thio­semicarbazone compound features tetra­hedrally coordinated Zn^II atoms within N₂S₂ donor sets because of the presence of chelating thio­semicarbazone anions. Supra­molecular chains are found in the crystal owing to the formation of thio­amide-N—H⋯S(thione) hydrogen bonds and eight-membered thio­amide {⋯HNCS}₂ synthons.

Crystal structure of catena-poly[[[di­chlorido­copper(II)]-{μ-tert-butyl N-methyl-N-[4-(6-{[4-(pyridin-2-yl-κN)-1H-1,2,3-triazol-1-yl-κN³]meth­yl}-1,3-benzo­thia­zol-2-yl)phen­yl]carbamato}] aceto­nitrile monosolvate]

The title coordination polymer was obtained by combining an aqueous solution of copper(II) dichloride with the ligand {tert-butyl­meth­yl[4-(6-{[4-(pyridin-2-yl-)1H-1,2,3-triazol-1-yl]meth­yl}-1,3-benzo­thia­zol-2-yl)phen­yl]carbamate in aceto­nitrile.

Monoclinic polymorph of chlorido­(di­methyl sulfoxide-κO)tri­phenyl­tin(IV)

A new polymorph of [Sn(C₆H₅)₃Cl(C₂H₆OS)] has been characterized, which crystallizes in space group P2₁ with Z′ = 2, while the previously reported phase was in space group P2₁2₁2₁ with Z′ = 1.

Crystal structures of 2,3,8,9,14,15-hexa­methyl-5,6,11,12,17,18-hexa­aza­tri­naphthyl­ene and 2,3,8,9,14,15-hexa­phenyl-5,6,11,12,17,18-hexa­zatri­naphthyl­ene di­chloro­methane disolvate

2,3,8,9,14,15-Hexamethyl- and 2,3,8,9,14,15-hexa­phenyl-5,6,11,12,17,18-hexa­zatri­naphthyl­ene (HATNMe₆ and HATNPh₆) are derivatives of hexa­aza­tri­naphthyl­ene (HATN). In the crystal structures of the two compounds, pronounced π–π stacking dominates the packing.

Crystal structure and DFT study of the zwitterionic form of 3-{(E)-1-[(4-ethoxyphenyl)iminiumyl]ethyl}-6-methyl-2-oxo-2H-pyran-4-olate

The title Schiff base compound crystallizes in the zwitterionic form. The resulting iminium and hydroxyl groups are linked by a charge-assisted intra­molecular N⁺—H⋯O⁻ hydrogen bond, and the conformation about the C=N bond is E.

Crystal structure of bis­(piperazin-1-ium-κN⁴)bis­(thio­sulfato-κS)zinc(II) dihydrate

In the title compound, two thio­sulfate ions coordinate to the zinc(II) ion through the terminal S atoms. The tetra­hedral coordination around the Zn^II ion is completed by the ligation of two N atoms of two piperazinium ions. In the crystal, a network of N—H⋯O and O—H⋯O hydrogen bonds leads to the formation of a three-dimensional supra­molecular structure.

Crystal structure of a palladium(II) complex containing the wide bite-angle bis­(selenium) ligand, cis-[(^tBuNH)(Se)P(μ-N^tBu)₂P(Se)(NH^tBu)]

A palladium(II) complex containing a bis­(selenium) ligand based on cyclo­diphosph(V)azane, cis-[(^tBuNH)(Se)P(μ-N^tBu)₂P(Se)(NH^tBu)] has been synthesized and structurally characterized. The crystal structure revels chelation of ligand through selenium donors with a natural bite-angle of 110.54 (1)°

7-Methyl-5-[(4-methyl­benzene)­sulfon­yl]-2H,5H-[1,3]dioxolo[4,5-f]indole: crystal structure and Hirshfeld analysis

The mol­ecule in the title compound has the shape of the letter L. In the crystal, weak 4-tolyl-C—H⋯π(C₆-ring of indole) and S—O⋯π(1,3-dioxole) contacts link the mol­ecules into a supra­molecular layer in the ab plane.

Crystal structure and Hirshfeld analysis of 2-(5-bromo­thio­phen-2-yl)aceto­nitrile

The crystal structure of 2-(5-bromo­thio­phen-2-yl)aceto­nitrile, previously reported as a liquid, has short centrosymmetric Type I Br⋯Br halogen inter­actions.

Crystal structure of 3-[(2-acetamido­phen­yl)imino]­butan-2-one

In the title compound, the imine C=N bond is essentially coplanar with the ketone C=O bond in an s-trans conformation. In the crystal, mol­ecules are connected into chains along the c axis through C—H⋯O hydrogen bonds, with two adjacent chains hinged by C—H⋯O hydrogen bonds.

Crystal structures of 5,5′-bis­(­hydroxy­methyl)-3,3′-biisoxazole and 4,4′,5,5′-tetra­kis­(hy­droxy­methyl)-3,3′-biisoxazole

Crystal structure, packing, and FTIR characterization of 5,5′-di­hydroxy­methyl-3,3′-biisoxazole and 4,4′,5,5′-tetra­hydroxy­methyl-3,3′-biisoxazole are reported.

Crystal structure of a new mol­ecular salt: 4-amino­benzenaminium 5-carb­oxy­penta­noate

The asymmetric unit of the title mol­ecular salt, consists of half a 4-amino­benzenaminium cation and a half a 5-carb­oxy­penta­noate anion. Each ion lies about an inversion centre, the other half being generated by inversion symmetry. In the crystal, charge-assisted O—H⋯O, N—H⋯O and N—H⋯N hydrogen bonds together lead to the formation of a three-dimensional supra­molecular framework.

Synthesis, X-ray diffraction and Hirshfeld surface analysis of two new hybrid dihydrate compounds: (C₆H₂₂N₄)[SnCl₆]Cl₂·2H₂O and (C₈H₂₄N₄)[SnCl₆]Cl₂·2H₂O

Two new organic–inorganic hybrid compounds have been synthesized from the same starting materials. Their crystal structures exhibits alternating inorganic and organic stacking sheets or layers in (II), with Cl⁻ ions and water mol­ecules occupying the space in between.

Crystal structures of eight- and ten-membered cyclic bis­anisyl­phosphono­thioyl disulfanes and comparison with their P-ferrocenyl analogues

Two new crystal structures of eight- and ten-membered cyclic bis­anisyl­phosphono­thioyl disulfanes have been determined and these are compared to the structures of their ferrocenyl analogues.

Synthesis, crystal structure and Hirshfeld surface analysis of tetra­aqua­bis­(isonicotinamide-κN¹)cobalt(II) fumarate

In the complex cation, the Co^II atom, located on an inverse centre, is coordinated by two isonicotinamide and four water mol­ecules in a distorted O₄N₂ octa­hedral geometry. The fumarate anion is located on another inverse centre and is linked to neighbouring complex cations via O—H⋯O and O—H⋯N hydrogen bonds and weak C—H⋯O hydrogen bonds. In the crystal, the complex cations are further linked by O—H⋯O, N—H⋯O an weak C—H⋯O hydrogen bonds, forming a three-dimensional supra­molecular architectecture.

[4-tert-Butyl-2,6-bis­(di­phenyl­meth­yl)phenolato-κO]dieth­yl(tetra­hydro­furan-κO)aluminium

The title compound has monoclinic (P2₁/n) symmetry with a single Al atom in the asymmetric unit. The complex possesses catalytic activity in the ring-opening polymerization of ∊-caprolactone.

Crystal structure of N,N′-bis­(2,4-di­fluoro­benzo­yloxy)benzene-1,2:4,5-tetra­carboximide

The title compound crystallizes with half a mol­ecule in the asymmetric unit and shows C_ar—H⋯F inter­actions in the crystal packing.

Structure of tri­aqua­tris­(1,1,1-tri­fluoro-4-oxo­pentan-2-olato)cerium(III) as a possible fluorescent compound

The title complex has two kinds of ligands, tri­fluoro­acetyl­acetonate and water. As a result of the presence of F atoms in the 1,1,1-tri­fluoro-4-oxo­pentan-2-olate ligand, the metal–metal distance is longer than in the case of the analogous yttrium complex containing an acetyl­acetonato ligand and also for the analogous lanthanum complex containing acetyl­acetonate.

Crystal structure of a new mixed-metal coordin­ation polymer consisting of Ni^II piperidine-di­thio­carbamate and penta­nuclear Cu^I—I cluster units

A novel heterometallic Cu^I–Ni^II coordination polymer with an infinite one-dimensional structure was prepared and structurally characterized via X-ray diffraction. This complex consists of a mononuclear nickel(II) unit of Ni^II(C₆H₁₀NS₂)₂ and a penta­nuclear copper(I) cluster unit of Cu₅I₅(CH₃CH₂CN).

Supra­molecular inter­actions in 2,6-di­amino-4-chloro­pyrimidin-1-ium 5-chloro­salicylate and bis­(2,6-di­amino-4-chloro­pyrimidin-1-ium) naphthalene-1,5-di­sulfonate

Two new salts – 2,6-di­amino-4-chloro­pyrimidin-1-ium 5-chloro­salicylate and bis­(2,6-di­amino-4-chloro­pyrimidin-1-ium) naphthalene-1,5-di­sulfonate – have been synthesized and characterized by single-crystal X-ray diffraction. The supra­molecular inter­actions such as hydrogen bonding, halogen bonding, C—Cl⋯π and π–π inter­actions are investigated for these crystal structures.

Synthesis and crystal structure of a new polymorph of potassium europium(III) bis­(sulfate) mono­hydrate, KEu(SO₄)₂·H₂O

In comparison with the known polymorph of KEu(SO₄)₂·H₂O (monoclinic, P2₁/c), the new polymorph crystallizes in the trigonal crystal system (space group P3₁21).

Crystal structure and Hirshfeld surface analysis of aqua­bis­(nicotinamide-κN¹)bis­(2,4,6-tri­methyl­benzoato-κ²O,O′)cadmium(II)

The Cd^II cation, located on a twofold rotation axis, is coordinated by two 2,4,6-tri­methyl­benzoate anions, two nicotinamide ligands and a water mol­ecule in a distorted penta­gonal–bipyramidal geometry.

A new mononuclear neutral high-spin iron(III) complex with the different tridentate ligands 5-bromo­salicyl­aldehyde (pyridin-2-yl)hydrazone and 5-bromo­salicyl­aldehyde thio­semicarbazone

The mol­ecular and crystal structure of a new mononuclear neutral high-spin iron(III) complex with two different tridentate ligands has been studied by an X-ray diffraction analysis.

3-Methyl-1-{(E)-[1-(4-methyl­pyridin-2-yl)ethyl­idene]amino}­thio­urea: crystal structure and Hirshfeld surface analysis

The title mol­ecule is twisted, with the dihedral angles between the imine core (C₃N) and thio­urea and methyl­pyridyl residues being 20.25 (8) and 7.60 (9)°, respectively. In the crystal, corrugated supra­molecular layers in the bc plane are mediated by amine-N—H⋯N(pyrid­yl) and thio­amide-N—H⋯S(thione) hydrogen bonds.

S-Benzyl 3-[1-(6-methyl­pyridin-2-yl)ethyl­idene]di­thio­carbazate: crystal structure and Hirshfeld surface analysis

The title mol­ecule has a approximately coplanar relationship between the methyl­idenehydrazinecarbodi­thio­ate (C₂N₂S₂) core and substituted pyridyl ring but the former plane is nearly orthogonal to the thio­ester phenyl ring. Supra­molecular layers in the bc plane sustained by C—H⋯S and C—H⋯π inter­actions feature in the crystal.

Crystal structure and quantum-chemical calculations of a tri­methyl­aluminium–THF adduct

The title compound, trimeth­yl(tetra­hydro­furan-κO)aluminium(III), is an addition product of tri­methyl­aluminium and tetra­hydro­furan (THF). Instead of a dimeric structure, which is very common for these types of compounds, a monomeric mol­ecular structure is observed.