(N-{Amino­[(di­amino­methyl­idene)amino]­methyl­idene}-N-methyl­methanaminium)tri­bromido­zinc(II)

In the title complex, the metal zinc atom is tetra-coordinated by three bromide atoms and one nitro­gen atom of the MetforminH+ ligand.

cis-Di­chlorido­(6,11-di­hydro­dibenzo[b,f][1,4]di­thio­cine-κ²S,S′)palladium(II)

In the title complex, the asymmetric di­thio­cine derivative adopts a boat conformation on coordinating to a PdCl₂ fragment.

[K(18-crown-6)][FeCp*(CO)₂]

In the title compound, [K(C₁₂H₂₄O₆][Fe(C₁₀H₁₅)(CO)₂], one carbonyl group of the [FeCp*(CO)₂]⁻ anion inter­acts with the potassium cation that is embedded in an 18-crown-6 mol­ecule. Intra- and inter­molecular C—H⋯O inter­actions are present in the crystal.

catena-Poly[[sodium-di-μ-aqua-μ-(boric acid)-μ-succinato-sodium-di-μ-aqua] boric acid monosolvate]

The main structural feature of the title structure are mol­ecular chains extending parallel to [101] with boric acid solvent mol­ecules in between. The crystal structure is consolidated by O—H⋯O hydrogen bonds.

Di-μ-chlorido-bis­({4-[bis­(tri­methylsilyl)amino]-6-chloro-2,2,8,8-tetra­methyl-5,7-bis­(tri­methylsilyl)-3,5,7-tri­aza-4,6-diphospha-2,8-disilanon-3-en-4-ido-κ²P,P′}palladium(II)) di­ethyl ether disolvate

The title compound features a dinuclear chloride-bridged palladium complex bearing two equivalents of the novel monoanionic mixed valent (λ³-P)—N—(λ⁵-P) ligand.

A second monoclinic polymorph of caesium salicylate monohydrate

The crystal structure of the title compound contains of polymeric sheets extending parallel to (010). In the centrosymmetric dinuclear bridged repeat unit, the Cs⁺ cation has an irregular O₆ coordination set.

Poly[(2,2′-bi­pyridine-κ²N,N′)[μ₄-2,2′-(1,3-phenyl­ene)bis­(imidazol-1-yl)-κ⁴N:N′:N′′:N′′′]dicopper(I)]

One of the two unique Cu^I atoms in the title structure has a linear coordination whereas the other is tetra­hedrally coordinated.

2-Chloro-N-(4-phenyl-1,3-thia­zol-2-yl)acetamide

The title acetamide crystallizes with two independent mol­ecules in the asymmetric unit whose geometrical features are similar. In the crystal, mol­ecules are linked via C—H⋯N hydrogen bonds which form C(10) chains along the [00] direction.

2-[(2-Fluoro­phen­yl)(1H-indol-3-yl)meth­yl]-1H-indole

The indole ring systems are oriented orthogonally while the fluoro­phenyl ring is nearly perpendicular to one of the indole ring systems and twisted by 63.6 (6)° from the other. In the crystal, N—H⋯π, C—H⋯π and C—H⋯F inter­actions occur, forming a three-dimensional network.

Cyclo­hexane-1,4-di­ammonium di­thio­cyanate

The cyclo­hexane ring of the title compound has a chair conformation. The crystal structure is stabilized by inter­molecular N—H⋯N and N—H⋯S hydrogen bonds, forming a three-dimensional network.

3,5-Di­bromo-4-methyl­pyridine

The title compound lies on a mirror plane. In the crystal, mol­ecules are linked by Br⋯N and Br⋯Br inter­actions, forming zigzag chains along [010].

5-Chloro-1-methyl­indoline-2,3-dione

The title mol­ecule, C₉H₆ClNO₂, is almost planar, with an r.m.s. deviation of 0.0922 (19) Å. In the crystal, mol­ecules are connected through methyl-C—H⋯O(carbon­yl) inter­actions into supra­molecular helical chains along the b axis.

(4E)-1-Phenyl-4-{[(pyridin-2-yl)amino]­methyl­idene}pyrazolidine-3,5-dione

The title compound contains two independent mol­ecules in the asymmetric unit which differ modestly in their conformations. The independent mol­ecules each self-associate to form layers in the crystal structure through N—H⋯O and C—H⋯O hydrogen bonding.

2,4-Di­chloro-N-{[1-(2,4-di­chloro­benzo­yl)piperidin-4-yl]meth­yl}benzamide

In the title compound, the piperdine ring adopts a chair conformation. The dihedral angles between its mean plane and the two benzene rings are 45.5 (3) and 28.0 (3)°, while the benzene rings are inclined to one another by 54.5 (3)°.

Methyl 8-oxo-2-phenyl-1-oxa­spiro­[4.5]deca-2,6,9-triene-3-carboxyl­ate

This paper reports a 5/6 spiro-fused system with the five- and six-membered rings inclined to one another at 89.79 (5)°. The crystal structure is stabilized by inter­molecular C—H ⋯ O hydrogen bonds.

2-Chloro-N-[4-(4-chloro­phen­yl)-1,3-thia­zol-2-yl]acetamide

In the title acetamide, C₁₁H₈Cl₂N₂OS, the chloro­phenyl ring is oriented at an angle of 7.1 (1)° with respect to the thia­zole ring. In the crystal, mol­ecules are linked via C—H⋯O inter­molecular inter­actions, forming C(10) chains propagating in a zigzag manner along the b axis.

1-(5-Nitro-1H-indazol-1-yl)ethanone

Weak C—H⋯O hydrogen bonds form ribbons parallel to (010). Two such chains are associated via offset π-stacking inter­actions between a six-membered ring in one chain and a five-membered ring in the other with a 3.7361 (9) Å separation.

1,4-Dihy­droxy-2,3-di­nitro-9,10-anthra­quinone

In the the title compound, the planes of the two nitro groups make dihedral angles of 54.77 (8) and 55.60 (3)° with the anthra­quinone ring system, which is essentially planar. In the crystal, mol­ecules are linked by short inter­molecular O⋯O contacts, leading to a three-dimensional network structure.

Ethyl 2-[(5Z)-5-(4-methyl­benzyl­idene)-2,4-dioxo-1,3-thia­zolidin-3-yl]acetate

The chain of the ester group adopts an extended conformation. In the crystal, inversion dimers linked by pairs of C—H⋯O hydrogen bonds generate (10) loops and further such bonds connect the dimers into `stair-step' chains propagating in [100].

1-Benzyl-5-chloro­indoline-2,3-dione

The title compound, C₁₅H₁₀ClNO₂, crystallizes with two mol­ecules in the asymmetric unit with almost identical conformations.

1-Allyl-5-chloro­indoline-2,3-dione

In the title compound, the allyl group is almost perpendicular to the 5-chloro­indoline-2,3-dione ring system, with a dihedral angle of 88.0 (3)°.

2-[(2Z)-2-Benzyl­idene-3-oxo-3,4-di­hydro-2H-1,4-benzo­thia­zin-4-yl]acetic acid

The fused thia­zine ring in the title compound has a screw-boat conformation.

Methyl 2-(benzo­yloxy)benzoate

In the title compound, the two aromatic rings are inclined to one another by 68.19 (9)°. In the crystal, mol­ecules are linked by C—H⋯π inter­actions, forming chains propagating along [010].

2-(2-Amino-5-methyl-1,2,4-triazolo[1,5-a]pyrimidin-7-yl)acetohydrazide monohydrate

In the crystal structure of the title mol­ecule, C₈H₁₁N₇O·H₂O, a network of O—H⋯O, O—H⋯N, N—H⋯O and N—H⋯N hydrogen bonds links the components, forming layers which include the lattice water mol­ecules. The layers are held together by π–π stacking inter­actions.

5-Bromo-1-(6-bromo­hex­yl)indoline-2,3-dione

In the title compound, C₁₄H₁₅Br₂NO₂, the dihedral angle between the mean plane passing through the bromo­hexyl chain and the and 5-bromo­indoline ring system [r.m.s. deviation = 0.044 (4) Å] is 70.0 (3)°.

4-[(E)-4-Hydroxybut-2-en-1-yl]-2-methoxyphenol

The title compound forms centrosymmetric dimers that are linked by O—H⋯O hydrogen bonds into supra­molecular chains. These chains are linked into sheets in the bc plane by C—H⋯O hydrogen bonds.

5-Acetamido-1H-pyrazole-4-carboxamide monohydrate

The two independent carboxamide mol­ecules in the asymmetric unit differ primarily in the orientations of the peripheral methyl and amino groups. Hydrogen bonding with the lattice water mol­ecules plays a dominant role in forming the cross-linked layer structure in the crystal.

1,1′-(Ethane-1,2-di­yl)bis­[3-(4-chloro­benzoyl)­thio­urea]

The centrosymmetric title compound contains two benzoyl­thio­ureido groups linked by an ethyl­ene group. Inter­molecular N—H⋯S hydrogen bonds form one-dimensional chains along b.

1-((E)-{2-[4-(2-{(1E)-[(carbamo­thioyl­amino)­imino]­meth­yl}phen­oxy)but­oxy]benzyl­idene}amino)­thio­urea di­methyl sulfoxide disolvate

The title compound has crystallographically imposed centrosymmetry. The packing is assisted by N—H⋯O, C—H⋯O and N—H⋯S inter­actions with the lattice solvent mol­ecules.

3-Methyl­pyridinium 4-nitro­benzoate–4-nitro­benzoic acid (1/1)

In the cation, the pyridine ring is protonated at the N atom and the anion is deprotonated at the hy­droxy O atom. The crystal structure is stabilized by N—H⋯O and O—H⋯O hydrogen bonds and further by weak C—H⋯O, C—H⋯π and π–π inter­actions.

4′-(3,4-Di­meth­oxy­phen­yl)-2,2′:6′,2′′-terpyridine

The title compound contains a terpyridine unit bearing a di­meth­oxy­phenyl substituent at the 4-position of the central pyridine ring.

1-(12-Bromo­dodec­yl)-5-chloro­indoline-2,3-dione

In the structure of the title compound, the mean plane through the fused-ring system makes a dihedral angle of 61.00 (18)°, with the mean plane passing through the 1-dodecyl chain.

A second polymorph of 3,4-bis­(6-bromo­pyridin-3-yl)-1,2,5-thia­diazole

A triclinic polymorph of 3,4-bis­(6-bromo­pyridin-3-yl)-1,2,5-thia­diazole is presented.

1-Methyl-5-nitro-3-phenyl-1H-indazole

The indazole ring system and the nitro groups are nearly coplanar. The crystal structure is stabilized by hydrogen bonds and π–π stacking inter­actions.

4,4′-([4,4′-Bi­pyridine]-1,1′-diium-1,1′-di­yl)dibenzo­ate dihydrate

The title compound displays zwitterionic properties and may serve as a ligand to construct extended complexes when coordinating to metal ions, including metal–organic frameworks.

2-Oxo-1,2-di­hydro­quinoline-4-carb­oxy­lic acid monohydrate

In the title compound, C₁₀H₇NO₃·H₂O, O—H⋯O hydrogen bonds form stepped sheets approximately parallel to {010} which are tied together by pairwise N—H⋯O inter­actions.

Bis(creatininium) 3-nitro­phthalate monohydrate

In the crystal structure of bis­(creatininium) 3-nitro­phthalate monohydrate, the components are linked via inter­molecular N—H⋯O, N—H⋯N and C—H⋯O inter­actions.

(5Z)-5-(4-Chloro­benzyl­idene)-1,3-thia­zolidine-2,4-dione

Mol­ecules of (5Z)-5-(4-chloro­benzyl­idene)-1,3-thia­zolidine-2,4-dione form undulating ribbons running approximately parallel to (101) through N—H⋯O hydrogen bonds.

2-Amino-4-meth­oxy-6-methyl­pyrimidin-1-ium tri­fluoro­acetate

In the crystal of the title mol­ecular salt, the cations and anions are linked via N—H⋯O hydrogen bonds, forming a centrosymmetric 2 + 2 aggregate with (8) and (8) loops.

1,3-Bis(1-methyl-5-thioxo-1,2,4-triazolin-4-yl)urea

The mol­ecules of 1,3-bis­(1-methyl-5-sulfanyl­idene-1,2,4-triazolin-4-yl)urea form chains by N—H⋯O hydrogen bonds.

2,2′-[(4-Bromo­phen­yl)methyl­ene]bis­(1H-pyrrole)

The title compound is a dipyrro­methane derivative with the three H atoms of the methane mol­ecule substituted by two pyrrole rings and one 4-bromo­phenyl moiety.

Ethyl 2-[(Z)-2-(2-nitro­phen­yl)hydrazinyl­idene]propano­ate

Apart from the methyl H atoms, all atoms of the structure are almost coplanar. The mol­ecules are linked by π–π inter­actions, forming stacks parallel to the c axis..

4-[(3-Phenyl-4,5-di­hydro­isoxazol-5-yl)meth­yl]-2H-benzo[b][1,4]thia­zin-3(4H)-one

The phenyl and the 5-di­hydro­isoxazol-5-yl rings of the title mol­ecule are almost coplanar. The thia­zin-3-yl ring adopts a screw-boat conformation. In the crystal, the mol­ecules are inter­connected by C—H⋯O and C—H⋯N hydrogen bonds.

4-(2-Oxoprop­yl)-1,3-bis­(prop-2-yn-1-yl)-2,3,4,5-tetra­hydro-1,5-benzodiazepin-2(1H)-one

The seven-membered diazepinone ring of this benzodiazepin-2-one derivative adopts a boat conformation. C—H⋯O hydrogen bonds link mol­ecules into double chains.

(4S,5R)-3-(4-Chloro­phen­yl)-5-(4-meth­oxy­phen­yl)-4-methyl-1-phenyl-4,5-di­hydro-1H-pyrazole

In the mol­ecule, the pyrazole ring adopts a twisted conformation and is linked to three aromatic rings with different dihedral angles.

Sulfamethizole–2-amino-4,6-di­meth­oxy­pyrimidine (1/1)

In the sulfamethizole–2-amino-4,6-di­meth­oxy­pyrimidine (1/1) co-crystal, the components are linked into dimers by pairs of N—H⋯N hydrogen bonds.

5,7,7,12,14,14-Hexa­methyl-4,11-di­aza-1,8-di­azonia­cyclo­tetra­deca-4,11-diene bis­(methane­sulfonate)

In the mol­ecular salt 5,7,7,12,14,14-hexa­methyl-4,11-di­aza-1,8-diazo­nia­cyclo­tetra­deca-4,11-diene bis­(methane­sulfonate), the centrosymmetric macrocyclic mol­ecule has all four N atoms oriented towards the inside of the cavity, similar to its conformation in metal complexes.

(4E)-1-Phenyl-4-[(piperidin-1-yl)methyl­idene]pyrazolidine-3,5-dione

The conformation of the mol­ecule of (4E)-1-phenyl-4-[(piperidin-1-yl)methyl­idene]pyrazolidine-3,5-dione is partially determined by an intra­molecular C—H⋯O hydrogen bond, while a combination of N—H⋯O and C—H⋯O hydrogen bonds organizes the mol­ecules into chains parallel to the a axis.