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The title compound, C15H19NO3, a Schiff base, crystallizes as a zwitterion with the hydroxyl H atom transfered to the imine N atom. This leads to the formation of an intra­molecular N—H⋯O hydrogen bond. In the crystal structure, symmetry-related mol­ecules are linked by an inter­molecular O—H⋯O hydrogen bond, forming chains extended in the a-axis direction. The mol­ecules are also connected via C—H⋯O hydrogen bonds, forming a two-dimensional network. [ABSTRACT FROM AUTHOR]

The title compound, C8H5NO5, consists of a cyclic diether (1,3-dioxalene) fused to 3-nitro­benzaldehyde. In the crystal structure, symmetry-related mol­ecules are linked by C—H⋯O hydrogen bonds, forming a sheet-like structure parallel to the ab plane. These sheets are further linked by C—H⋯O hydrogen bonds, forming a three-dimensional network. [ABSTRACT FROM AUTHOR]

The crystal structure of the title compound, [Sn(CH3)3(C15H10ClO2)] n, contains polymeric chains along the b axis. The geometry around the Sn atom is distorted trigonal bipyramidal, wherein three methyl groups are bonded to the Sn atom at equatorial positions with essentially identical bond distances [mean Sn—C = 2.119 (6) Å] and two O atoms of the carboxylate ligand are bonded asymmetrically with significantly different Sn—O distances of 2.159 (2) and 2.351 (2) Å. [ABSTRACT FROM AUTHOR]

The mol­ecule of the title compound, [Sn(C2H5)2(C11H12N3O2S2)Cl], features an asymmetrically chelating thio­carboxyl­ate ligand. The Sn atom is five-coordinate within a C2ClS2 donor set that is best described as trigonal bipyramidal with S and Cl atoms in axial positions, defining a bond angle of 156.58 (2)°. [ABSTRACT FROM AUTHOR]

The crystal structure of the title compound, [Sn(CH3)3-(C3H4N3S)]n, consists of a linear chain in which adjacent trimethyltin groups are bridged by the 4-methyl-4H-1,2,4-triazole-3-thiolate anion through its N and S atoms. [ABSTRACT FROM AUTHOR]

In the solid state, the title compound, C14H13NO2, crystallizes as a zwitterion. Two molecules comprise the asymmetric unit. The molecules exhibit two types of hydrogen bonds: N—H...O hydrogen bonds involving hydroxy and imine groups generate an S(6) ring motif, and O—H...O hydrogen bonds linking two symmetry-related molecules form a centrosymmetric dimer. [ABSTRACT FROM AUTHOR]

The title compound, [Sn(C6H5)2(C8H6N2O2)], features a five-coordinate C2NO2 coordination geometry for Sn that is inter­mediate between trigonal-bipyramidal and square-pyramidal. [ABSTRACT FROM AUTHOR]

The asymmetric unit of the title compound, C13H10O3, contains two mol­ecules with small conformational differences. Both mol­ecules form hydrogen-bonded inversion dimers through their carboxyl groups. [ABSTRACT FROM AUTHOR]

The crystal packing of the essentially planar molecules of the title compound, C14H10F3NO2, is stabilized by O—H⋯O hydrogen bonds and possible C—H⋯O and C—H⋯F inter­actions. [ABSTRACT FROM AUTHOR]

In the zigzag polymeric title compound, [Sn(CH3)3(C16H20NO3)] n, the Sn atom adopts a distorted trigonal–bipyramidal geometry. [ABSTRACT FROM AUTHOR]

The structure of the title compound, [Sn(C6H5)3(C7H5ClNO2)], contains dimeric units that are stabilized by inter- and intra­molecular hydrogen bonds involving amino H atoms and carbonyl O and Cl atoms. The geometry around Sn is slightly distorted tetra­hedral and the Sn—C distances are essentially identical. [ABSTRACT FROM AUTHOR]

The Sn atom in the title compound, [Sn(CH3)2(C13H16NS2)2], has a highly distorted octa­hedral geometry that may be best described as skew-trapezoidal planar for thio­carboxyl­ates. The ligands are asymmetrically coordinated to the Sn atom, with shorter Sn—S bond lengths that are very close to the sum of the covalent radii of Sn and S, while the longer Sn—S distances are significantly less than the sum of their van der Waals radii. [ABSTRACT FROM AUTHOR]

The title mol­ecule, C15H18BrNO3, contains a cyclo­hexyl ring in a chair conformation linked to an aromatic ring through an HC=N—CH2 group. The mol­ecular conformation may be partially controlled by an intra­molecular O—H⋯N hydrogen bond, while the crystal structure is stabilized by inter­molecular O—H⋯O hydrogen bonds. [ABSTRACT FROM AUTHOR]

In the paper by Hanif, Ali, Hussain, Bhatti, Karmazin Brelot & Stoeckli-Evans [ ], the name and address of the fourth author are given incorrectly. The correct author list is shown opposite. [ABSTRACT FROM AUTHOR]

The structure of the title compound, C17H20N2S, exhibits hydrogen bonding of the type N—H⋯S, resulting in chains of mol­ecules running along the b axis. [ABSTRACT FROM AUTHOR]

The title complex, [Sn(C4H9)2(C11H12N3O2S2)Cl], features an asymmetrically chelating thio­carboxyl­ate ligand. There are two molecules in the asymmetric unit. The Sn atom is five-coordinated within a C2ClS2 donor set that is best described as trigonal–bipyramidal with one S atom and the Cl atom in axial positions, subtending bond angles of 155.67 (2) and 155.11 (2)°, respectively. [ABSTRACT FROM AUTHOR]

In the title complex, [Sn(C6H5)2(C10H16NS2)Cl], the Sn atom has a distorted trigonal–bipyramidal geometry, with an axial S—Sn—Cl bond angle of 156.87 (3)°. Intra­molecular hydrogen bonding is present between an S atom and the H atom of the amine group. The mol­ecules are linked by an inter­molecular C—H⋯Cl hydrogen bond to form chains extending in the c direction. [ABSTRACT FROM AUTHOR]

In the solid-state structure of the title compound, C16H11NO4, the double bond is E, and the mean planes through the two aromatic rings are inclined to one another by 64.81 (12)°. In the crystal structure, symmetry-related mol­ecules are linked by O—H⋯O hydrogen bonds, forming centrosymmetric carboxylic acid dimers. The crystal structure is further stabilized by C—H⋯O and C—H⋯F inter­molecular hydrogen bonds, leading to the formation of a slab-like structure, two mol­ecules thick, extending in the ab plane. [ABSTRACT FROM AUTHOR]

In the title compound, [Sn(CH3)3(C7H5ClNO2)], the Sn atom is bonded to three methyl groups and one O atom in a distorted tetra­hedral geometry, with Sn—C bond lengths of 2.118 (2)–2.119 (2) Å and an Sn—O bond length of 2.0804 (12) Å. [ABSTRACT FROM AUTHOR]

In the crystal structure of the title compound, C15H11NO4·H2O, there are hydrogen-bonded clusters involving conventional and unconventional hydrogen bonds of the types O—H⋯O and C—H⋯O. Pairs of mol­ecules lie parallel to each other in a head-to-tail fashion, exhibiting strong π–π overlapping. [ABSTRACT FROM AUTHOR]

The title compound, C8H6O4, consists of a cyclic diether fused to benzoic acid and crystallizes as a hydrogen-bonded carboxylic acid dimer. [ABSTRACT FROM AUTHOR]

The title compound, [Sn(CH3)2(C7H12NS2)2], comprises SnIV coordinated by two 4-methyl­piperidine­dithio­carboxyl­ate ligands and two methyl groups. The coordination geometry around Sn is distorted octa­hedral, with the methyl groups adopting an arrangement inter­mediate between a cis and trans configuration. There are two independent complexes in the asymmetric unit, with closely comparable geometries. [ABSTRACT FROM AUTHOR]

The mol­ecule of the title compound, [Sn(C4H9)2(C15H9ClFO2)2], has a skewed-trapezoidal planar geometry, defined by four O donors from the carboxyl­ate ligands and two C atoms from the n-butyl groups. The C—Sn—C bond angle is 133.95 (12)°. The O atoms of the carboxyl­ate ligands are bonded asymmetrically to Sn, with significantly different Sn—O distances; the values for the shorter are 2.0914 (18) and 2.1134 (19) Å, while the longer Sn—O distances are 2.513 (2) and 2.650 (2) Å. [ABSTRACT FROM AUTHOR]

The crystal structure of the title compound, [Sn(CH3)3(C15H15O2)], is composed of polymeric chains of monomers, linked by secondary coordinating bonds from the O atoms of the hydroxyl group to the Sn atoms, with an Sn⋯O distance of 2.646 (2) Å. This additional bond leads to a distorted trigonal–bipyramidal geometry around the Sn atom, with three methyl C atoms in equatorial and two O atoms in axial positions. [ABSTRACT FROM AUTHOR]

The title compound, [Sn(CH3)3(C16H12ClO3)] n, forms polymeric chains incorporating both O atoms of the propenoate ligand. The coordination geometry around the Sn atom is distorted trigonal bipyramidal. The three methyl C atoms occupy the equatorial positions with almost identical Sn—C distances [2.115 (3)–2.120 (3) Å] and O atoms from two symmetry-related ligands are in the axial positions with significantly different Sn—O distances [2.150 (2) and 2.430 (2) Å]. [ABSTRACT FROM AUTHOR]

The crystal structure of the title compound, [Sn(C4H9)2(C15H9Cl2O2)2], has a highly distorted octahedral geometry that may be best described as a skew-trapezoid planar geometry with two additional axial ligands. The carboxyl­ate ligands are asymmetrically coordinated to the Sn atoms, with short Sn—O covalent bonds [mean 2.098 (6) Å] and long dative bonds [mean 2.602 (12) Å]. The mean Sn—C distance for the n-butyl groups is 2.117 (13) Å, with a C—Sn—C angle of 139.18 (18)°. [ABSTRACT FROM AUTHOR]

The Sn atom in the title compound, [Sn(CH3)2(C15H9Cl2O2)2], has a highly distorted octahedral coordination that may be best described as skew-trapezoid planar for the carboxylates. The ligands are asymmetrically coordinated to the Sn atoms with Sn—O covalent bonds and dative bonds. The mean Sn—C distance for the methyl groups is 2.094 (6) Å, with a bent C—Sn—C angle of 145.77 (11)°. [ABSTRACT FROM AUTHOR]

The structure of the title compound, [Sn(CH3)3(C8H8NO4)], is composed of two independent monomers in the asymmetric unit, which form polymeric chains involving both O atoms of the acid moieties lying parallel to the b axis, and are separated by one half unit cell along the a axis. The geometry around the Sn atoms in both monomers is distorted trigonal-bipyramidal, where three methyl C atoms occupy the equatorial positions with almost identical Sn—C distances, and O atoms from two symmetry-related ligands are in the axial positions with significantly different Sn—O distances. [ABSTRACT FROM AUTHOR]

The title compound, [Sn(CH3)3(C15H9Cl2O2)] n, forms polymeric chains involving both O atoms of the carboxyl­ate group. The coordination geometry around the Sn atom is distorted trigonal–bipyramidal. The three methyl C atoms occupy the equatorial positions, with Sn—C distances of 2.113 (3)–2.124 (2) Å, and two O atoms, including one from a symmetry-related mol­ecule, are at the axial positions, with Sn—O distances of 2.152 (2) and 2.454 (2) Å. [ABSTRACT FROM AUTHOR]

In the solid-state structure of the title compound, C16H11NO6, the configuration about the C=C double bond is E, and the two aromatic rings are inclined to one another by 67.96 (7)°. In the crystal structure, symmetry-related mol­ecules are linked by O—H⋯O hydrogen bonds, forming centrosymmetric carboxylic acid dimers. The crystal structure is further stabilized by C—H⋯O inter­molecular hydrogen bonds, leading to the formation of a sheet-like structure in the ab plane. [ABSTRACT FROM AUTHOR]

The crystal structure of the title compound, [Sn3(CH3)9Cl(NO3)], contains trigonal–bipyramidal Sn atoms with three methyl groups bonded in the equatorial plane and an O atom of the NO3 group and a Cl atom in the axial sites. The Cl atom, which lies on a threefold axis, is bridged between three Sn atoms, with Sn—Cl distances of 2.9298 (13) Å. The N atom of the NO3 group also lies on a threefold axis, with its O atoms bonded to three Sn atoms. Thus, polymeric sheets are formed parallel to the ab plane. [ABSTRACT FROM AUTHOR]

The geometry around the Sn atom of the title compound, [Sn(C6H5)2Cl2(C2H6OS)2], is distorted octahedral, with Sn—C and Sn—O distances lying in the ranges 2.139 (4)–2.156 (4) and 2.270 (2)–2.279 (2) Å, respectively. Molecules are linked by intermolecular C—H...O and C—H...Cl hydrogen bonds, and by C—H...π interactions with distances of 2.8 and 2.75 Å. [ABSTRACT FROM AUTHOR]

In the crystal structure of the title compound, [Sn(C7H7)2(C10H7S)2], the distorted tetrahedral coordination around the Sn atom consists of two benzyl C atoms and two S atoms of naphthalenethiolate groups. The bond angles in the coordination environment are in the range 102.27 (5)–116.63 (19)°. The average Sn—C and Sn—S bond lengths are 2.151 (4) and 2.4172 (13) Å, respectively. One of the naphthalenethiolate groups is disordered, with a relative occupancy ratio of 0.726 (8):0.274 (8). [ABSTRACT FROM AUTHOR]

The solid-state structure of the title compound, C16H13BrO2, demonstrates an E configuration about the central C=C bond. Symmetry-related molecules are linked by O—H...O hydrogen bonds [O...O = 2.617 (3) Å], forming centrosymmetric carboxylic acid dimers. [ABSTRACT FROM AUTHOR]

The configuration in the solid state structure of the title compound, C11H11BrO2, about the C=C double bond is E. In the crystal structure, symmetry-related molecules are linked by O—H...O hydrogen bonds, forming centrosymmetric carboxylic acid dimers. [ABSTRACT FROM AUTHOR]

The title compound, C10H9BrO2, displays an E configuration about the C=C double bond. In the crystal structure, symmetry-related molecules are linked by O—H...O hydrogen bonds, forming centrosymmetric carboxylic acid dimers. [ABSTRACT FROM AUTHOR]

The title compound, C7H3ClN2O6, crystallizes with two independent mol­ecules in the asymmetric unit. Strong inter­molecular O—H⋯O hydrogen bonds link the mol­ecules into centrosymmetric dimers. The crystal packing is further stabilized by weak inter­molecular C—H⋯O hydrogen bonds. [ABSTRACT FROM AUTHOR]

The title compound, [Sn(CH3)3(C9H9O2)], forms polymeric chains involving both O atoms of the carboxyl­ate group. The coordination geometry around the Sn atom is distorted trigonal–bipyramidal. [ABSTRACT FROM AUTHOR]

The two bromo­phenyl rings in the title compound, C13H10Br2N2S, adopt a cis– cis configuration to S with respect to the C—N thio­urea bonds. The crystal packing is characterized by N—H⋯S hydrogen bonds. [ABSTRACT FROM AUTHOR]

The two o-tolyl groups in the title compound, C15H16N2S, are trans with respect to the thio­urea unit. The asymmetric unit consists of two mol­ecules linked by N—H⋯S hydrogen bonds into dimers. [ABSTRACT FROM AUTHOR]

In the solid-state structure of the title compound, C16H11BrO4, the configuration about the double bond is E, and the mean planes through the two aromatic rings are inclined to one another by 63.71 (12)°. In the crystal structure, symmetry-related mol­ecules are linked by O—H⋯O hydrogen bonds, forming centrosymmetric carboxylic acid dimers. The crystal structure is further stabilized by C—H⋯Br and C—H⋯O inter­molecular hydrogen bonds, leading to the formation of a layer-like structure, which extends in the ab plane. [ABSTRACT FROM AUTHOR]

The title compound, [Sn4O2(C7H2ClN2O6)4(C4H9)8], is a centrosymmetric dimer of an oxoditin(IV) complex. Two dibutyl­bis[4-chloro-3,5-dinitro­benzoate]tin(IV) units con­taining monodentate and bridging bidentate carboxyl­ate ligands are connected to the central Sn2O2 core. Each Sn atom adopts a distorted trigonal–bipyramidal geometry, with Sn—C distances lying in the narrow range 2.119 (3)–2.135 (3) Å, while Sn—O distances range between 2.037 (2) and 2.286 (2) Å. [ABSTRACT FROM AUTHOR]

In the mol­ecule of the title compound, C16H13NO2, the N and C atoms of the phthalic anhydride and aniline units form a distorted trigonal–planar structure. The mol­ecules are linked by inter­molecular C—H⋯O hydrogen bonds, forming infinite chains along the [101] direction. [ABSTRACT FROM AUTHOR]

The title compound, [Sn(C4H9)3(C7H9O2)] n, forms a polymeric chain involving both O atoms of the carboxyl­ate group. The Sn atom is five-coordinate and shows a distorted trigonal–bipyramidal geometry wherein the Cα atoms of the n-butyl chains occupy the equatorial positions. Two O atoms from symmetry-related ligands are asymmetrically bonded to the Sn atom and occupy axial positions with significantly different Sn—O distances of 2.209 (2) and 2.358 (2) Å. [ABSTRACT FROM AUTHOR]

The mol­ecular structure of the title compound, tetra-μ2-(cyclo­pent-2-en­yl)acetato-1:2κ2 O: O′;1:3κ2 O: O′;2:4κ2 O: O′;3:4κ2 O: O′-octa­ethyl-1κ2 C,2κ2 C,3κ2 C,4κ2 C-di-μ3-oxo-1:2:3κ3 O;2:3:4κ3 O-tetra­tin, [Sn4(C2H5)8(C7H9O2)4O2], is composed of two independent centrosymmetric dimers lying about inversion centers. In each dimer, the central Sn2O2 core is fused with two four-membered (Sn2O2) and two six-membered (Sn2O3C) rings. The endocyclic Sn atoms are six-coordinate in a skew-trapezoidal bipyramidal environment. The exocyclic Sn atoms are five-coordinate and show disotorted trigonal–bipyramidal geometry. The cyclo­pentenylacetate ligand shows different modes of coordination with tin. In both dimers, the Sn—C distances lie in a very narrow range [2.118 (4)–2.134 (4) Å], while the Sn—O distances range between 2.042 (2) and 2.314 (3) Å for strong bonds and between 2.638 (3) and 2.658 (3) Å for relatively weaker Sn—O bonds. [ABSTRACT FROM AUTHOR]

The crystal structure of the title compound, tetra-μ2-(cyclopent-2-en­yl)acetato-1:2κ2 O: O′;1:3κ2 O: O′;2:4κ2 O: O′;3:4κ2 O: O′-octa­methyl-1κ2 C,2κ2 C,3κ2 C,4κ2 C-di-μ3-oxo-1:2:3κ3 O;2:3:4κ3 O-tetra­tin(IV), [Sn4(CH3)8(C7H9O2)4O2], is composed of discrete centrosymmetric dimers lying about inversion centres. The cyclo­pentenylacetate ligand shows different modes of coordination with Sn, as a result of which the central Sn2O2 core is fused with two four-membered (Sn2O2) and two six-membered (Sn2O3C) rings. The endocyclic Sn atoms are six-coordinate in a skew-trapezoidal bipyramidal environment. The exocyclic Sn atoms are five-coordinate and show distorted trigonal–bipyramidal geometry. The Sn—C distances lie in a very narrow range [2.095 (4)–2.113 (4) Å], while the Sn—O distances range between 2.030 (3) and 2.280 (3) Å for strong bonds and a value of 2.654 (3) Å for the relatively weak Sn—O bond. [ABSTRACT FROM AUTHOR]

The title Schiff base, C15H19NO4, crystallizes with two mol­ecules per asymmetric unit. In the solid state, a zwitterion is observed, with a strong intra­molecular N—H⋯O hydrogen bond involving the NH imine H atom and the phenolate O atom. In the crystal structure, the two crystallographically independent mol­ecules are linked by O—H⋯O hydrogen bonds to create centrosymmetric dimers. These dimers are connected by inter­molecular C—H⋯O hydrogen bonds to form layers. [ABSTRACT FROM AUTHOR]

This article presents information on the Palladium(II) complexes with heterocylic thione ligands, which are of interest currently for the synthesis of clinically useful drugs. The compound crystallizes with two unique molecules and a disordered methanol solvent molecule in the asymmetric unit. Each Pd atom of the two unique molecules in the asymmetric unit is four-coordinate, in the case of title compound. The atoms exhibits a slightly distorted square-planar geometry. The pyrimidine-2-thiolate ligand acts as a bidentate chelate. It coordinates to Pd via the S1 atom and the adjacent pyrimidine N1 atom.

In the hexacoordinated title germanium compound [alternatively called (butanoato-κ2 C3, O)bis(8-quinolato-κ2 N, O)germanium(IV)], [Ge(C9H7NO)2(C4H6O2)], the Ge atom adopts a slightly distorted octahedral geometry, where the Ge—N coordinate covalent bonds [mean 2.079 (8) Å] are significantly longer than the Ge—O [mean 1.904 (8) Å] and Ge—C [1.976 (3) Å] covalent bonds. [ABSTRACT FROM AUTHOR]

The crystal structure of the title compound, C10H6Cl3NO3, establishes that condensation of 2,4,6-tri­chloro­aniline with maleic anhydride gives the title compound at room temperature. There are strong intermolecular N—H⋯O hydrogen bonds [N⋯O = 2.832 (2) and 2.867 (2) Å], resulting in a hydro­phobic region in the middle of the unit cell. The carboxyl groups adopt an anti-planar conformation and participate in intramolecular O—H⋯O hydrogen bonds [both O⋯O = 2.486 (2) Å]. There are two molecules in the asymmetric unit. [ABSTRACT FROM AUTHOR]