[μ-N,N,N′,N′-Tetra­kis(pyridin-2-ylmeth­yl)butane-1,4-di­amine]­bis­[(di­methanol-κO)(perchlorato-κO)copper(II)] bis­(perchlorate)

In the crystal structure of the title dicopper(II) complex, the Cu^II centre adopts a Jahn–Teller-distorted octa­hedral coordination geometry. The bonds to the equatorial ligands are significantly shorter than those to the axial ligands.

μ-Chlorido-bis­[(di­methyl sulfoxide-κO)bis­(triphenyl­phosphane-κP)silver(I)] nitrate

The complex binuclear silver cation in the title salt is centrosymmetric, with the bridging Cl atom located on the inversion centre.

Bis[2,6-bis­(tri­methyl­silyl­amino)­pyridine-κN¹]{[6-bis­(tri­methyl­silyl­amino)­pyridin-2-yl-κN¹](tri­methyl­sil­yl)aza­nido-κN}lithium

Three 2,6-bis­(tri­methyl­silyl­amino)­pyridine ligands coordinate a lithium cation in a tetra­hedral coordination environment.

Tris(N,N,N′,N′,N′′,N′′-hexa­ethyl­guanidinium) dodeca­iodido­tribismuthate(III)

The asymmetric unit of the title salt comprises one cation and two independent (1/6) fragments of the [Bi₃I₁₂]³⁻ ions. The C—N bond lengths in the guanidinium ion indicate partial double-bond character, pointing towards charge delocalization within the NCN planes.

(tert-Butyl isocyanide-κC)tri­chlorido­gallium(III)

The mol­ecular structure of the first isocyanide complex with GaCl₃ is presented.

Hexa­kis­(di­methyl sulfoxide-κO)zinc mer-aqua­tris­(di­methyl sulfoxide-κO)(ethanol-κO)[octa­deca­tungstodiphosphato(V)-κO]zincate(II)–di­methyl sulfoxide–ethanol–water (2/4/2/3)

In the title compound, there are two types of Zn^II complex ions. In one, the Zn^II cation is coordinated by a Wells–Dawson polyanion [α-P₂W₁₈O₆₂]⁶⁻ (POM) via a terminal O atom. The two independent [Zn(C₂H₆OS)₆]²⁺ cations exhibit similar distorted octa­hedral coordination geometries.

Tris(pyrrolidin-1-yl)carbenium tri-μ-iodido-bis­[tri­iodido­bis­muthate(III)]

The asymmetric unit of the title salt, (C₁₃H₂₄N₃)₃[Bi₂I₉], comprises two tris­(pyrrolidin-1-yl)carbenium cations and one half of the [Bi₂I₉]³⁻ ion. The C—N bond lengths of the CN₃ units in both cations indicate partial double-bond character, pointing towards charge delocalization within the NCN planes.

(4,4′-Dimeth­oxy-2,2′-bi­pyridine-κ²N,N′)bis­[2-(pyridin-2-yl)phenyl-κC¹]iridium(III) hexa­fluorido­phosphate unknown solvate

The Ir^III atom in the cation of (4,4′-dimeth­oxy-2,2′-bi­pyridine)­bis­[2-(pyridin-2-yl)phen­yl]iridium hexa­fluorido­phosphate has a distorted octa­hedral geometry defined by a cis-C₂N₄ donor set.

(4,7,13,16,21,24-Hexaoxa-1,10-di­aza­bicyclo[8.8.8]hexa­cosane-κ⁸N₂,O₆)rubidium 4,4′-bipyridinid­yl

The crystal structure consists of Rb⁺ ions sequestered by a [2.2.2]cryptand mol­ecule and 4,4′-bipyridinidyl monoanions. The building units are arranged in the sense of a distorted rock salt type of structure.

(E)-4-Chloro-N′-(2,4,5-tri­fluoro­benzyl­idene)benzohydrazide

The title compound is approximately planar. In the crystal, mol­ecules are stacked in a column along the b axis through π–π inter­actions.

(5-Hy­droxy-3-methyl-5-tri­fluoro­methyl-4,5-di­hydro-1H-pyrazol-1-yl)(2-hy­droxy­phen­yl)methanone

In the title compound, the hy­droxy­phenyl ring is twisted by 35.42 (11)° from the plane of the pyrazoline ring. The keto O atom is involved in two intra­molecular O—H⋯O hydrogen bonds, which generate S(6) ring motifs.

7-Hy­droxy-3-(4-nitro­phen­yl)-2H-chromen-2-one

In the title compound, there is asymmetry with respect to the O—C=O bond angles. In the crystal, mol­ecules are linked by O—H⋯O hydrogen bonds, forming chains along [010]. In addition, weak C—H⋯O hydrogen bonds link these chains, forming a three-dimensional network.

(1aR*,2R*,7S*,7aS*)-rel-3,6-Dimeth­oxy-2-methyl-1a,2,7,7a-tetra­hydro-2,7-ep­oxy-1H-cyclo­propa[b]naphthalene

In the racemic title compound, the dihedral angle formed by the mean planes of the cyclo­propane and benzene rings is 5.0 (2)°. In the crystal, a pair of weak C—H⋯O hydrogen bonds connect two mol­ecules related by a twofold rotation axis, thus forming a dimer with an (10) motif.

N-Hexyl-3,4-di­hydroxy­benzamide

In the title compound, the hexyl chain has an extended conformation. In the crystal, mol­ecules are linked via O—H⋯O and N—H⋯O hydrogen bonds, forming slabs parallel to (001).

Di­amino­mesitylene

In the crystal of the title compound, N—H⋯N hydrogen bonds link the mol­ecules into [010] chains.

4-Bromo-2-hy­droxy­benzoic acid

The crystal structure of C₇H₅BrO₃ features carb­oxy­lic acid inversion dimers and short Br⋯Br contacts [3.4442 (5) Å].

Tetra­methyl­ammonium tri­fluoro­methane­sulfonate

The mol­ecular structure of tetra­methyl­ammonium tri­fluoro­methane­sulfonate (tri­fluoro­methane­sulfonate) is presented. The solid-state structure of very few tetra­alkyl­ammonium tri­fluoro­methane­sulfonate salts have been determined.

4-Methyl­cyclo­hexyl p-toluene­sulfonate

The crystal structure of trans-4-methyl­cyclo­hexyl tosyl­ate is reported. The structure demonstrates a flattening of the cyclo­hexyl ring from the ideal chair conformation.

5-Bromo-1-octylindoline-2,3-dione

In the crystal structure of 5-bromo-1-octylindoline-2,3-dione, there are two independent mol­ecules in the asymmetric unit having different orientations and linked by a hydrogen bond.

1-Benzyl-5-methyl­indoline-2,3-dione

In the title compound, the isatin (indole-2,3-dione) moiety is planar (r.m.s. deviation = 0.022 Å) and its mean plane makes a dihedral angle of 74.19 (12)° with the benzyl ring. In the crystal, mol­ecules are linked by C—H⋯O hydrogen bonds, forming C(6) chains propagating along the b-axis direction.

4-Benz­yloxy-1,1′-biphen­yl

In the title compound, the dihedral angle between the benzene rings of the biphenyl unit is 1.54 (13)° and the C—O—C—C torsion angle is 174.4 (2)°. In the crystal, very weak C—H⋯π inter­actions link the mol­ecules into a three-dimensional network.

5-Chloro-1-(prop-2-yn­yl)indoline-2,3-dione

In the title isatin derivative, the dihedral angle between the mean plane of the indoline ring system and that of the propynyl chain is 73 (8)°. In the crystal, mol­ecules are linked by C—H⋯O hydrogen bonds, forming zigzag chains propagating along [010].

7-Iodo-1H-indole-2,3-dione

The mol­ecules of 7-iodo-1H-2,3-dione dimerize in the solid state through N—H⋯O hydrogen bonds. Inter­molecular I⋯O close contacts link the mol­ecules into infinite chains along [20].

(E)-4-Meth­oxy-N′-(4-methyl­benzyl­idene)benzo­hydrazide

In the title hydrazide compound, the meth­oxy­phenyl ring and the methyl­benzyl­idene ring are inclined to one another by 60.43 (5)°. In the crystal, mol­ecules are linked via N—H⋯O hydrogen bonds, forming chains along [001].

2-(Naphthalen-1-yl)ethanol

The title compound crystallizes with two mol­ecules in the asymmetric unit with different conformations to the ethanol side chain; one is gauche and the other is anti. In the crystal, [100] chains of alternating mol­ecules are linked by O—H⋯O hydrogen bonds.

Ethyl 2-(4-chloro-3-methyl­phen­oxy)acetate

In ethyl 2-(4-chloro-3-methyl­phen­oxy)acetate, the pendant ethyl chain has an extended conformation and lies in the plane of the substituted benzene ring. The crystal structure features inversion-related dimers linked by pairs of benzene–carbonyl C—H⋯O hydrogen bonds, generating (16) loops.

2-Chloro-6-fluoro­phenyl 4-chloro­benzoate

In the title mol­ecule, C₁₃H₇Cl₂FO₂, the planes of the two aromatic rings are inclined to one another by 49.96 (12)° and the keto group is twisted at an angle of 66.3 (3)° out of the 2-chloro-6-fluoro­phenyl plane. In the crystal, inter­molecular C—H⋯O hydrogen bonds link the mol­ecules into chains extending in the [010] direction and weak C—H⋯Cl inter­actions link these chains into sheets parallel to the (101) plane.

4-(4-Meth­oxy­phen­yl)-5,7-di­methyl­chroman-2-one

The title di­hydro­coumarin was synthesized via a microwave-assisted hydro­aryl­ation reaction. The mol­ecule is L-shaped with the 4-meth­oxy­phenyl ring being inclined to the mean plane of the coumarin moiety by 78.21 (9)°. In the crystal, mol­ecules are linked via C—H⋯O hydrogen bonds, forming ribbons along [010].

2-{[5-(4-Chloro­phen­oxy­meth­yl)-4-phenyl-4H-1,2,4-triazol-3-yl]sulfan­yl}-N-(4-nitro­phen­yl)acetamide

The title mol­ecule has an `extended' conformation. The mol­ecules form chains through N—H⋯N and C—H⋯O hydrogen bonds.

Di­methyl N-cyano­dithio­imino­carbonate

The title compound, (MeS)₂C=N—C N, has a planar environment around the imido C atom (sp²) and a linear one around the cyanide C atom (sp); the CN bonds are triple, double and single.

2-Meth­oxy-4-[3-(3-nitro­phen­yl)-4,5-di­hydro-1H-pyrazol-5-yl]phenol

In an effort to evaluate the anti­tubercular activity of vanillin-based pyrazoles, the title compound was synthesized. The mol­ecule is twisted with the benzene rings being inclined to the mean plane of the pyrazole ring by 56.78 (9) and 9.7 (1)°.

1-[(7E)-7-(2-Chloro­benzyl­idene)-3-(2-chloro­phen­yl)-3,3a,4,5,6,7-hexa­hydro-2H-indazol-2-yl]ethanone

In the title compound, the diazole ring adopts a shallow envelope conformation with the methine C atom bonded to the adjacent chloro­benzene ring as the flap. In the crystal, weak C—H⋯Cl inter­actions connect the mol­ecules into [001] chains.

Bis[4-(2,4,4-tri­methyl­pentan-2-yl)phen­yl]amine

In the title compound, the dihedral angle between the aromatic rings is 41.15 (12)° and both side chains exhibit extensive disorder. No directional inter­actions beyond van der Waals contacts could be identified in the crystal.

N,N,N′,N′,N′′,N′′-Hexa­methyl­guanidinium 1,1,3,3-tetra­cyano­prop-2-en-1-ide

The asymmetric unit of the title salt comprises one orientationally disordered cation and one anion. The C—N bond lengths in the guanidinium ion indicate double-bond character, pointing towards charge delocalization within the NCN planes. The C—C bond lengths in the anion indicate partial double-bond character and delocalization of the negative charge within the CCC planes.

5-Nitro-1-(prop-2-yn-1-yl)-1H-indazole

The prop-2-yn-1-yl substituent is substanti­ally twisted out of the plane of the indazole moiety. The packing features the formation of weak dimers via pairwise C—H⋯O inter­actions across centers of symmetry.

2-[(E)-(2S,5R)-2-Iso­propyl-5-methyl­cyclo­hexyl­idene]-N-methylhydrazine-1-carbo­thio­amide

The crystal structure of 4-methyl-(-)-menthone 3-thio­semicarbazone is reported. The compound crystallizes as a non-centrosymmetric dimer, which matches the asymmetric unit forming a (8) loop. The mol­ecules are connected by N—H⋯S inter­actions into a two-dimensional hydrogen-bonded polymer.

2-({5-[(4-Chloro­phen­oxy)­meth­yl]-4-phenyl-4H-1,2,4-triazol-3-yl}sulfan­yl)-N-phenyl­acetamide

In the crystal, the title mol­ecule has an `extended' conformation. Pairwise N—H⋯N and C—H⋯O hydrogen bonds form `stair-step' chains.

Ethyl 3-({[(4-methyl­phen­yl)carbamo­yl]meth­yl}sulfan­yl)-5,6-di­phenyl­pyridazine-4-carboxyl­ate

The packing in the title mol­ecule is aided by inter­molecular N—H⋯O and C—H⋯O hydrogen bonds.

1-Benzyl-5-nitro-1H-indazole

A weak C—H⋯O hydrogen bond links the two unique mol­ecules in the asymmetric unit of the title compound. π–π-stacking inter­actions between neighboring dimeric units form tetra­mers which pack without other short contacts.

N-(4-Benzoyl­phen­yl)pyridine-2-carbo­thio­amide

There are two mol­ecules with different conformations in the asymmetric unit of the title compound.

N-(3-{[(Z)-(3-Hy­droxy-4-methyl­phen­yl)imino]­meth­yl}pyridin-2-yl)pivalamide

In the title compound, the dihedral angle between the rings is 34.84 (7)°. An intra­molecular N—H⋯N hydrogen bond generates an R(6) ring.

Bis[4-(5-anilino-1,3,4-thia­diazol-2-yl)pyridinium] sulfate

The title compound is a salt containing two 4-(5-anilino-1,3,4-thia­diazol-2-yl)pyridinium cations and a sulfate anion. In the crystal, mol­ecules are connected by inter­molecular hydrogen bonds and π–π contacts, forming a three-dimensional structure.

2,7,10,13-Tetra-tert-butyl-N-phenyl­ace­naphtho[1,2-j]fluoranthene-4,5-dicarboximide

In the mol­ecule of the title compound, the ace­naphtho­[1,2-j]fluoranthene-4,5-dicarboximide framework has an approximately planar structure. Two of the tert-butyl groups are disordered over two sets of sites. An inter­molecular short contact between a methyl group and the aromatic ring occurs in the crystal structure.