Mg_44.29Ru₇

Cubic Mg_44.29Ru₇ is related to the previously reported Mg_43.83Ru_7.17 to which it shows differences relative to some occupancies of the Ru and Mg sites,

trans-Bis[2-(pyrimidin-2-yl)ethyn­yl]bis­(tri­phenylphosphine)palladium

The the title compound, isolated after a Sonogashira coupling reaction, crystallizes in the monoclinic space group C2/c.

Bis(L-leucinium) hexa­chlorido­stannate(IV) dihydrate

The L-leucinium cations in the title compound adopt extended conformations that maximize the separation between the methyl groups [–CH(CH₃)₂] and the polar NH₃⁺ and COOH groups.

Di-μ-hydroxido-bis­[iodido­diphenyl­tin(IV)]–1,3-di­methyl­imidazolidin-2-one (1/2)

In the solid, state di­phenyl­tin(IV)-hydroxide-iodide-N,N′-di­methyl­propyl­ene-urea, Ph₂Sn(OH) ·DMPU, consists of centrosymmetric dimers exhibiting the characteristic structural features of diorganotin(IV)-hydroxide-halides.

N-(3-Chloro-4-hy­droxy­phen­yl)acetamide

In the title compound, the acetamide substituent is twisted out of the phenyl plane, forming a dihedral angle of 58.61 (7)°. In the extended structure, each mol­ecule donates two hydrogen bonds [N—H⋯O(carbon­yl) and O—H⋯O(carbon­yl)] and thus also accepts two such hydrogen bonds. The chlorine atom is not involved in the hydrogen bonding.

10-(4-Fluoro­phen­yl)-4-[(4-fluoro­phen­yl)amino]-5-phenyl-5,8,9,10-tetra­hydro­pyrimido[4,5-b]quin­olin-6(7H)-one

The title compound forms a crystal structure with near-coplanar heteroaryl units and perpendicular aromatic rings, assembling into a corrugated two-dimensional network along the crystallographic ac plane that is consolidated into a three-dimensional supra­molecular architecture via hydrogen bonding.

tert-Butyl 5-{2-[2-(N-ethynyl-4-methyl­benzene­sulfonamido)­phen­yl]ethyn­yl}furan-2-carboxyl­ate

In the title mol­ecule, two essentially planar and nearly parallel branches are connected to the aniline unit and the angle between the alkynes amounts to 26 (4)°. Weak intra­molecular aromatic π–π stacking occurs.

N-(4-Amino-1,2,5-oxa­diazol-3-yl)formamide

Two crystallographically independent planar mol­ecules are present in the title compound that differ slightly in some of the bond angles.

2-Oxo-2H-chromen-4-yl 4-ethyl­benzoate

In the title compound, the dihedral angle between the coumarin ring system and the phenyl ring is 63.46 (5)°. In the crystal, the mol­ecules are linked by weak C—H⋯O hydrogen bonds and aromatic π–π stacking inter­actions

5-Methyl-2-nitro­aniline

The short C—NH₂ bond length of 1.3469 (12) Å in the title mol­ecule is indicative of substantial involvement of the aniline N-atom in the aromatic π bonding system of the ring. In the extended structure, N—H⋯O hydrogen bonds link the mol­ecules into [001] tapes, which aggregate into zipper-like folded ribbons. Layers of parallel ribbons stack along a to complete the structure.

4-Chloro­curcumin. Addendum

Addendum to Pham & Bader [IUCrData (2025), 10, x241243].