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The coordination geometry at the Sn atom in the title compound, [Sn(C6H5)2(C9H6NO)2], is distorted cis-octa­hedral, in which the two phenyl ligands are cis to one another and trans to the N atoms of the oxinate ligands. This arrangement brings the oxinate O atoms into a trans relationship and is the geometry adopted most frequently by diorganotin(IV) oxinates. The O...O vector in the mol­ecule is almost parallel to the plane of every ligand.

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In the title compound, C23H27NO4, a modified synthetic D-homo steroid, the cyclo­hexene ring adjacent to the aromatic ring adopts a half-chair conformation, while the cyclo­hexane ring has an ideal chair conformation and the heterocyclic ring has a sofa conformation. The plane of the allyl substituent lies almost perpendicular to the least-squares plane of the heterocyclic ring. The crystal structure contains a series of weak C—H...O intermolecular interactions.

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The title compound, [Sn2(C6H5)5(C11H11NO3)Cl], is a dinuclear organotin adduct in which the two Sn atoms are bridged via the carboxyl­ate O—C—O group of a 2-[(E)-1-(2-hydroxy­aryl)­alkyl­idene­amino]­acetate ligand. Each Sn atom has a distorted trigonal bipyramidal geometry, with the Ph3SnCl moiety being less distorted.

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In the crystal structure of the title compound, C13H12O3S, the dihedral angle between the mean planes of the 4-tolyl and phenyl rings is 52.6 (1)°. There are weak C—H...O hydrogen bonds, which generate rings of graph-set motifs R12(4) and R21(9). The supramolecular aggregation is completed by the presence of van der Waals short contacts and C—H...π interactions.

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The title compound, [Sn(C4H9)3(C21H16N3O3)]n, is a one-dimensional polymer in which the two carboxyl­ate O atoms of a single benzoate ligand bridge adjacent SnBu3 groups. The Sn atom has a slightly distorted trans-Bu3SnO2 trigonal–bipyramidal coordination geometry.

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In the title compound, C22H29NO3, a modified synthetic D-homo steroid, the cyclo­hexene ring adjacent to the aromatic ring adopts a half-chair conformation, while the cyclo­hexane ring has an ideal chair conformation. The heterocyclic ring adopts a 14β-sofa conformation. The butyl substituent is nearly planar, this plane lying almost perpendicular to the least-squares plane of the heterocyclic ring. Inter­molecular O—H...O hydrogen bonds link the mol­ecules into extended chains and the compound also exhibits some weak inter­molecular C—H...O inter­actions.

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In the title compound, C23H31NO3, a modified synthetic D-homo steroid derivative, the cyclo­hexene ring adjacent to the aromatic ring adopts a half-chair conformation, while the cyclo­hexane ring has an ideal chair conformation. The heterocyclic ring adopts a 14α-sofa conformation. The butyl substituent is nearly planar, this plane lying almost perpendicular to the least-squares plane of the heterocyclic ring. The structure displays some weak inter­molecular C—H...O inter­actions.

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In the title compound, C9H8N2O2S, the H atom of the thiol group has been transferred to the neighbouring N atom of the oxadiazole ring. Inter­molecular N—H...N hydrogen bonds exist between adjacent mol­ecules.
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