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Crystal structure of bis-(diiso-propyl-ammonium) cis-di-iodido-bis-(oxolato-κ2O1,O2)stannate(IV).

ABSTRACT: In the title compound, (iPr2NH2)2[SnI2(C2O4)2], which was prepared by reacting ( i Pr2NH2+)2·C2O42- with SnI4 in a 2:1 molar ratio in a mixed ethanol-aceto-nitrile solvent, the Sn atom is coordinated by two chelating oxalate ions and two iodide ions, with the latter in a cis configuration. In the crystal, the cations are linked to the anions by N-H⋯O and bifurcated N-H⋯(O,O) hydrogen bonds, generating [10-1] chains.

SUBMITTER: Sarr B

PROVIDER: S-EPMC5946977 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Di-?-oxido-bis-[bis-(diiso-propyl-aceta-midinato)-?N;?(2) N,N'-germanium(IV)].

Project description:The title compound, [Ge2(C8H17N2)4O2], crystallizes with imposed twofold symmetry, which allows the monodentate amidinate ligands to be arranged in a cisoid fashion. The independent Ge-O distances within the central Ge2O2 ring, which is essentially planar (r.m.s. deviation = 0.039?Å), are 1.7797?(8) and 1.8568?(8)?Å. The germanium centres adopt a distorted trigonal-bipyramidal geometry, being coordinated by the two O atoms and by one bidentate and one monodentate amidinate ligand (three N atoms). One N-isopropyl group is disordered over two positions; these are mutually exclusive because of 'collisions' between symmetry-equivalent methyl groups and thus each has 0.5 occupancy.

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Project description:In the title binuclear complex, [Li2(C27H36N2)2I2], the unique Li(I) cation is coordinated by two iodide anions and one yl-idene C atom from a 1,3-bis-(2,6-diiso-propyl-phen-yl)imidazol-2-yl-idene ligand in a distorted trigonal-planar geometry. The two symmetry-related iodide anions bridge two Li(I) cations, forming an inversion dimer in which the Li2I2 plane is nearly perpendicular to the imidazol-2-yl-idene ring, with a dihedral angle of 85.5?(3)°. No hydrogen bonding is observed in the crystal.

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Synthesis, structure determination and characterization by UV-Vis and IR spectroscopy of bis-(diiso-propyl-ammonium) cis-di-chlorido-bis(oxalato-κ2 O 1,O 2)stannate(IV).

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Bis(diisopropyl-ammonium) hexa-chlorido-stannate(IV).

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Crystal structure of bis-(diiso-propyl-ammonium) molybdate.

Project description:The organic-inorganic title salt, (C6H16N)2[MoO4] or ( i Pr2NH2)2[MoO4], was obtained by reacting MoO3 with diiso-propyl-amine in a 1:2 molar ratio in water. The molybdate anion is located on a twofold rotation axis and exhibits a slightly distorted tetra-hedral configuration. In the crystal structure, the diiso-propyl-ammmonium ( i Pr2NH2)+ cations and [MoO4]2- anions are linked to each other through N-H?O hydrogen bonds, generating rings with R 12 12(36) motifs that give rise to the formation of a three-dimensional network. The structure was refined taking into account inversion twinning (ratio of ca 4:1 between the two domains).

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Bis(trimethyl-ammonium) tetra-chlorido-diphenyl-stannate(IV).

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| S-EPMC3051760 | biostudies-literature

Bis(cyclo-hexyl-ammonium) tetra-chlorido-diphenyl-stannate(IV).

Project description:The title compound, (C6H14N)2[Sn(C6H5)2Cl4], contains cyclo-hexyl-ammonium cations in general positions and a stannate(IV) anion that is located on a twofold rotation axis. The Sn(IV) atom in the complex anion is surrounded by four Cl(-) ligands and two trans-phenyl groups in a distorted octa-hedral configuration. The anions are connected with the cations through N-H?Cl hydrogen bonds. Every cation is involved in three N-H?Cl bonds to the chloride ligands of three different anions, and each chloride ligand is linked to two cations. This arrangement leads to a layered structure parallel to (010).

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Bis(cyclo-hexyl-ammonium) tetra-chlorido-(oxalato)stannate(IV).

Project description:The title salt, (C6H14N)2[Sn(C2O4)Cl4], was obtained as a by-product from the reaction between 2C6H14N(+)·C2O4 (2-)·1.5H2O and SnCl2·2H2O. The cyclo-hexyl-ammonium cation has a chair conformation. The complex anion consists of an oxalate anion chelating the SnCl4 moiety, resulting in a distorted octa-hedral coordination sphere of the Sn(IV) atom with the O atoms in equatorial cis positions. In the crystal, cations and anions are linked through N-H?O and N-H?Cl inter-actions into a layered arrangement parallel to (100).

| S-EPMC3793702 | biostudies-literature

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