trans-Di­aqua­bis­(1,1,1,5,5,5-hexa­fluoro­pentane-2,4-dionato-κ²O,O′)cobalt(II) dihydrate

trans-Di­aqua­bis­(1,1,1,5,5,5-hexa­fluoropenta­ne-2,4-dionato)cobalt(II) dihydrate exhibits a two-dimensional network structure parallel to (100) held together by O—H⋯O and O—H⋯F hydrogen bonds.

trans-Acetyl­dicarbon­yl(η⁵-cyclo­penta­dien­yl)[tris­(3,5-di­methyl­phen­yl)phosphane-κP]molybdenum(II)

The title compound was prepared by phosphane-induced migratory insertion of [Mo(C₅H₅)(CO)₃(CH₃)] with tris­(3,5-di­methyl­phen­yl)phosphane. The structural parameters are similar to the related tri­phenyl­phosphane complex and the mol­ecule is linked into chains along [010] by non-classical C—H⋯O inter­actions involving the acetyl carbonyl group.

catena-Poly[[μ₂-4,4′-bis­(pyridin-3-ylethyn­yl)-1,1′-bi­phenyl-κ²N:N′]bis­(μ₂-thio­cyanato-κ²N:S)bis­(thio­cyanato-κS)dimercury(II)]

The title polymer contains thio­cyanate ligands with both monodentate and bridging bidentate behaviour.

Di­chlorido­{2-[(5-methyl-1H-pyrazol-3-yl-κN²)meth­yl]-1H-1,3-benzimidazole-κN³}zinc

The asymmetric unit of the title compound contains two independent mol­ecules having similar conformations. The coordination about the Zn^II atom is distorted tetra­hedral, with angles at the Zn^II atom ranging from 92.17 (18) to 120.88 (15)°.

5-(2,3-Di­chloro­phen­yl)-3-(4-meth­oxy­phen­yl)-1-phenyl-4,5-di­hydro-1H-pyrazole

The di­hydro­pyrazole ring in the title compound is almost planar. Weak aromatic π–π stacking occurs in the crystal.

(E)-1-(1,3-Benzodioxol-5-yl)-3-(2,4,5-tri­meth­oxy­phen­yl)prop-2-en-1-one

In the crystal, the mol­ecules are linked via weak C—H⋯O hydrogen bonds, forming zigzag chains along the c axis.

(E)-1-(1,3-Benzodioxol-5-yl)-3-[4-(di­methyl­amino)­phen­yl]prop-2-en-1-one

The mol­ecular and crystal structures of a chalcone derivative are reported. In the crystal, the olefinic double bond adopts an E conformation.

(E)-2-(5-Chloro-2-hy­droxy­benzyl­idene)-N-cyclo­hexyl­hydrazine-1-carbo­thio­amide

In the crystal of the title carbo­thio­amide Schiff base compound, mol­ecules are linked by N—H⋯O and O—H⋯S hydrogen bonds, forming inversion dimers with an (14) ring motif flanked by two (6) ring motifs.

1-Ethyl-4-phenyl-1,5-benzodiazepine-2-thione

In the title compound, the seven-membered ring adopts a boat conformation. The mol­ecules pack in layers parallel to (100).

3-(4-Amino-3-ethyl-5-sulfanyl­idene-4,5-di­hydro-1H-1,2,4-triazol-1-yl)-1,3-di­phenyl­propan-1-one

In the title triazole derivative, the 1,2,4-triazole ring forms dihedral angles of 58.64 (9) and 87.68 (9)° with the phenyl rings. In the crystal, mol­ecules are linked by N—H⋯O, N—H⋯S and C—H⋯S hydrogen bonds, forming chains propagating along the c-axis direction.

(E)-2-Methyl-6-{[(5-methyl­pyridin-2-yl)imino]­methyl}phenol

The title N-heterocyclic phenolic Schiff base compound is almost planar and the structure is reinforced by an Intra­molecular O—H⋯N hydrogen bond.

4-Iodo-N-(o-tolyl­sulfon­yl)benzamide

The title compound, crystallizes with two independent mol­ecules (A and B) in the asymmetric unit. The dihedral angle between the two aryl rings is 83.1 (4)° in mol­ecule A and 79.8 (4)° in mol­ecule B. In the crystal, the two mol­ecules are linked by a pair of N—H⋯O hydrogen bonds, forming an A–B dimer with an (8) ring motif.

N-Bromo-S-(4-nitro­phen­yl)-S-phenyl­sulfimide

The structure of N-bromo-S-(4-nitro­phen­yl)-S-phenyl­sulfimide, the first crystal structure of an N-halosulfimide, is reported.

(E)-3-(2,3-Di­chloro­phen­yl)-1-(2-meth­oxy­phen­yl)prop-2-en-1-one

In the crystal of the title chalcone derivative, mol­ecules are linked via weak C—H⋯O hydrogen bonds, forming zigzag chains along the c axis.

(6-Fluoro-2-oxo-2H-chromen-4-yl)methyl di­ethyl­carbamodi­thio­ate

The title compound, crystallizes with two independent mol­ecules in the asymmetric unit (A and B). The mean plane of the chromene rings make dihedral angles of 80.01 (7) and 76.97 (8)° with the carbamodi­thio­ate moiety [(N—C(= S)—S] for mol­ecules A and B, respectively.

N,N-Di­butyl­anilinium hydrogen squarate

In the title mol­ecular salt, N,N-di­butyl­anilinium hydrogen squarate, the disparate bond lengths within the squarate anion suggest delocalization of the negative charge over only part of the squarate moiety.

Tris(2-meth­oxy­phen­yl)phosphine selenide

In the crystal structure of tris­(2-meth­oxy­phen­yl)phosphine selenide, there are C—H⋯π and C—H⋯Se close contacts.

5-Fluoro-1-(prop-2-en-1-yl)-2,3-di­hydro-1H-indole-2,3-dione

The asymmetric unit of the title compound consists of two independent mol­ecules forming pseudocentrosymmetric dimers associated through pairwise C—H⋯F hydrogen bonds. These units form `stairstep' stacks along the b-axis direction via π–π stacking inter­actions between di­hydro­indole moieties with the stacks tied together by weak C—H⋯O hydrogen bonds.

4-[Bis(2-chloro­eth­yl)amino]­benzaldehyde

In the title compound, the chloroethyl amino groups are twisted with respect to the amino group, with N—C—C—Cl torsion angles of −177.4 (4) and 179.2 (3)°. In the crystal, C—H⋯Cl and C—H⋯O hydrogen bonds link the mol­ecules, forming sheets parallel to (20).

1-Allyl-3′-phenyl-6′H-spiro­[indoline-3,4′-isoxazolo[4′,5′:5,6]pyrido[2,3-d]pyrimidine]-2,5′,7′(8′H,9′H)-trione di­methyl sulfoxide monosolvate

In the title spiro compound, the pyridine ring adopts a twist-boat conformation. The isoxazole ring is inclined to the indoline ring system, the pyrimidine ring, and the phenyl ring by 82.31 (7), 10.41 (8) and 53.77 (10)°, respectively. The solvent mol­ecule is linked to the title compound by an N—H⋯O hydrogen bond. In the crystal, these units are linked by N—H⋯O hydrogen bonds, forming chains along the b-axis direction.

(Z)-1,4-Bis(2-chloro­phen­yl)-2-(methyl­sulfan­yl)but-2-ene-1,4-dione

In the title compound, the chloro­benzene rings are inclined to one another by 84.59 (16)°, and the conformation of the C=C bond is Z. In the crystal, mol­ecules are linked by C—H⋯O hydrogen bonds, forming layers parallel to the (10-1) plane.

1-(3-Chloro­phen­yl)-5-(4-chloro­phen­yl)-3-(5-chloro­thio­phen-2-yl)-4,5-di­hydro-1H-pyrazole

In the crystal, mol­ecules are linked by weak C—H⋯Cl hydrogen bonds into supra­molecular chains propagating along the b-axis direction.

1-Cyclo­hexyl-5-(2-hy­droxy­benzo­yl)-3-nitro­pyridin-2(1H)-one

The title compound, is V-shaped with the cyclo­hexane ring mean plane almost normal to the central pyridin-2-one ring, making a dihedral angle of 87.94 (8)°. The latter ring is inclined to the 2-hy­droxy­benzoyl ring by 50.92 (8)°. In the crystal, mol­ecules are linked via C—H–O hydrogen bonds, forming chains propagating along [001].

4-Cyclo­hexyl-3-[(3,5-di­methyl-1H-pyrazol-1-yl)meth­yl]-4,5-di­hydro-1H-1,2,4-triazole-5-thione

In the title compound, the dihedral angle between the five-membered rings is 88.16 (7)°. In the crystal, the mol­ecules are linked by N—H⋯N hydrogen bonds to generate C(7) chains propagating in [001]. The chains are cross-linked by very weak C—H⋯S hydrogen bonds to generate (100) sheets.

N-(4-Chloro­phenyl­sulfon­yl)-4-iodo­benzamide

In the title sulfonamide, the dihedral angle between the planes of the benzene rings is 81.6 (2)°. In the crystal, mol­ecules are linked by pairs of N—H⋯O hydrogen bonds, forming inversion dimers with an (8) ring motif.

(Z)-N′-(3-Ethyl-4-oxo­thia­zolidin-2-yl­idene)-2-[6-(4-meth­oxy­phen­yl)imidazo[2,1-b]thia­zol-3-yl]aceto­hydrazide

The title compound crystallizes with two independent mol­ecules (A and B) in the asymmetric unit (Z′ = 2). In the crystal, mol­ecules are linked via N—H⋯O hydrogen bonds, forming –A–B–A–B– chains along [100].

(E)-1-(5-Chloro­thio­phen-2-yl)-3-(p-tol­yl)prop-2-en-1-one

In the title chloro­thio­phene derivative, the olefinic double bond adopts an E conformation, and the chloro­thio­phene ring is inclined to the p-toluene ring by 22.6 (2)°.

3-Phenyl­isoxazolin-5-one: a redetermination

Low-temperature diffraction data for the title compound gave a refined structure with s.u. values for the metrical parameters one-fourth to one-sixth of those in the original determination, as well as unambiguous location and refinement of the H atoms.

1-Benzyl-2-benzyl­sulfanyl-4,4-di­phenyl-4,5-di­hydro-1H-imidazol-5-one

The asymmetric unit of the title compound consists of two independent mol­ecules, which differ in the orientations of the substituents on the imidazole ring. The crystal packing is directed primarily by several C—H⋯π inter­actions, forming a three-dimensional supra­molecular structure.

(E)-1-(4-Fluoro­phen­yl)-2-(2-oxidonaphthalen-1-yl)diazen-1-ium

In the title zwitterion, which belongs to the family of azo dyes, the dihedral angle between the benzene ring and naphthalene ring system is 15.33 (7)° and an Intra­molecular N—H⋯O hydrogen bond closes an S(6) ring. In the crystal, inversion dimers linked by weak C—H⋯O hydrogen bonds generate (16) loops.

Ethyl 6-(4-chloro­phen­yl)-2,2-di­methyl-4-oxo-3,4-di­hydro-2H-pyran-5-carboxyl­ate

In the title of 3,4-di­hydro-2H-pyran-4-one derivative, the root moiety forms a dihedral angle of 49.36 (5)° with the attached benzene ring. In the crystal, C—H⋯O inter­actions link the mol­ecules, forming a three-dimensional network.

9-Fluoro-2,4,4a,6-tetra­hydro­spiro­[benzo[c]chromene-3,2′-[1,3]dioxolane]

In the title spiro-fused dioxolane–chromene derivative, the mean plane of the dioxolane ring is almost normal to the mean plane through the hetero atoms, including the substituent F atom, of the rest of the mol­ecule, with a dihedral angle of 81.1 (1)°.

2,2′-[(1E,1′E)-1,2-Phenyl­enebis(aza­nylyl­idene)bis­(methanylyl­idene)]bis­(4-bromo­phenol)

The title compound has pseudo-twofold rotation symmetry, with two intra­molecular O—H⋯N hydrogen bonds forming S(6) ring motifs.

2-(5-Bromo­thio­phen-2-yl)-1-phenyl-1H-phenanthro[9,10-d]imidazole

In the title mol­ecule, the imidazole ring makes dihedral angles of 15.18 (16), 2.94 (15) and 88.46 (16)°, respectively, with the thio­phene ring, the central benzene ring of the phenanthrene unit and the phenyl ring attached to the latter unit. In the crystal, mol­ecules are linked by C—H⋯N and C—H⋯Br hydrogen bonds, forming zigzag chains along [100].

3-(1H-Indol-3-yl)-2-benzo­furan-1(3H)-one

In the crystal, the mol­ecules are linked by N—H⋯O hydrogen bonds, forming supra­molecular chains propagating along the a-axis direction.

2-(2-Oxo-4-phenyl-2,3-di­hydro-1H-1,5-benzodiazepin-1-yl)acetic acid

The asymmetric unit of the title compound consists of two independent mol­ecules having distinctly different conformations. The components of the asymmetric unit are connected by an O—H⋯N hydrogen bond, with additional O—H⋯N hydrogen bonds connecting this assemblage into chains running parallel to the b axis. Inter­molecular C—H⋯π(ring) inter­actions are also present.

Ethyl 2-(2,5-dioxo-4,4-di­phenyl­imidazolidin-1-yl)acetate

In the title compound, C₁₉H₁₈N₂O₄, the five-membered ring adopts an envelope conformation. A combination of N—H⋯O and C—H⋯O hydrogen bonds forms sheets of mol­ecules parallel to (100). A second set of C—H⋯O hydrogen bonds, together with C—H⋯π(ring) inter­actions, connect the sheets, forming a three-dimensional network.

(E)-1-(Benzo[d][1,3]dioxol-5-yl)-3-(2,3-di­chloro­phen­yl)prop-2-en-1-one

The mol­ecular and crystal structure of a chloro­thio­phene derivative is reported. In the crystal, mol­ecules are linked by weak hydrogen bonds, forming chains propagating along the c axis.

1,3-Bis(4-methyl­benzo­yl)-2,4-bis­(2,4,5-tri­meth­oxy­phen­yl)cyclo­butane

In the centrosymmetric mol­ecule, the centroid of the cyclo­butane ring is located at the inversion centre.

2-[4,5-Di­phenyl-2-(pyridin-4-yl)-1H-imidazol-1-yl]ethanol

In the title compound, O—H⋯N hydrogen bonds form helical chains running along the [101] direction, which are formed into sheets by C—H⋯O hydrogen bonds between the chains. The sheets are then joined together by C—H⋯N hydrogen bonds.

6-tert-Butyl-4-[(4-hy­droxy­methyl-2H-1,2,3-triazol-2-yl)meth­yl]-2H-chromen-2-one. Corrigendum

Erratum to IUCrData (2016), 1, x161618.

4-[(4-Hy­droxy­methyl-2H-1,2,3-triazol-2-yl)methyl]-6,8-di­methyl-2H-chromen-2-one. Corrigendum

Erratum to IUCrData (2016), 1, x161644.