Trimethyl-phenyl-ammonium µ-bromido-bis-[dibromidobis(4-bromobenzyl)stannate(IV)].

In the title salt, [C(6)H(5)N(CH(3))(3)][Sn(2)Br(5)(C(7)H(6)Br)(4)], the Sn(IV) atoms of the dinuclear anion are bridged by a Br atom; the Sn-Br(bridge) bond lengths are 2.9818 (5) and 3.0470 (5) Å. Both Sn atoms show a distorted cis-trigonal-bipyramidal coordination geometry that is distorted towards a square pyramid. In the crystal, weak C-H⋯π inter-actions occur between anions and cations.

catena-Poly[[tribenzyl-tin(IV)]-µ-(E)-3-(2-fur-yl)prop-2-enoato-κO:O'].

In the title carboxyl-ate-bridged polymer, [Sn(C(7)H(7))(3)(C(7)H(5)O(3))](n), the Sn(IV) atom exists in a distorted trans-C(3)SnO(2) trigonal-bipyramidal geometry. The polymer propagates as a chain along the a axis. There are two independent formula units in the asymmetric unit; the furyl ring of one of the anions is disordered over two positions in a 0.630 (8):0.370 (8) ratio. The crystal studied was a non-merohedral twin with a minor twin domain of 37.3 (1)%.

Trichlorido(4-methyl-benz-yl)bis-(1H-pyrazole-κN)tin(IV).

The six-coordinate Sn(IV) atom in the title compound, [Sn(C(8)H(9))Cl(3)(C(3)H(4)N(2))(2)], shows an octa-hedral coordination. The N atoms of the N-heterocycle are cis to each other. The Sn-N bond that is trans to the Sn-C bond is shorter than the Sn-N bond trans to the Sn-Cl bond. Weak N-H⋯Cl hydrogen bonds link adjacent mol-ecules, generating a double chain running along the c axis.

(2,2'-Bipyridine-κN,N')dichloridobis(4-fluoro-benz-yl)tin(IV).

The six-coordinate Sn(IV) atom in the title compound, [Sn(C(7)H(6)F)(2)Cl(2)(C(10)H(8)N(2))], shows a trans-C(2)SnN(2)Cl(2) octa-hedral coordination [C-Sn-C = 174.81 (10) and 176.71 (9)° in the two independent mol-ecules in the asymmetric unit]; the Cl atoms are cis to each other as are the N atoms of the chelating N-heterocycle.

Tetra-chloridobis(dibenzyl sulfoxide-κO)tin(IV).

The six-coordinate Sn(IV) atom in the title compound, [SnCl(4)(C(14)H(14)OS)(2)], exists in a cis-SnCl(4)O(2) octa-hedral geometry. Of the four Cl atoms, two are close to adjacent S atoms [Cl⋯S = 3.320 (1) and 3.376 (1) Å]; the Sn-Cl bonds involving these two Cl atoms are longer than the other two Sn-Cl bonds.

Aqua-bis-(4-chloro-benz-yl)bis-(nicotinato-κO,O')tin(IV).

In the title mol-ecule, [Sn(C(7)H(6)Cl)(2)(C(6)H(4)NO(2))(2)(H(2)O)], the O atoms of the two chelating nicotinate groups and the O atom of the coordinated water mol-ecule comprise the penta-gonal plane of the trans-C(2)SnO(5) penta-gonal-bipyramid [C-Sn-C = 178.62 (11) °] surrounding the Sn(IV) atom. In the crystal, adjacent mol-ecules are linked by O-H⋯N hydrogen bonds, generating a chain running along the body diagonal of the triclinic unit cell.

Bis{µ-2-[(N,N-diisopropyl-carbamothio-yl)sulfan-yl]acetato-κO:O'}bis-(bis-(4-chloro-benz-yl){2-[(N,N-diisopropyl-carbamothio-yl)sulfan-yl]acetato-κO,O'}tin(IV)).

The dinuclear title complex, [Sn(2)(C(7)H(6)Cl)(4)(C(9)H(16)NO(2)S(2))(4)], lies on a center of inversion. The Sn(IV) atoms are chelated by one of the two carboxyl-ate ions; the other carboxyl-ate ion bridges two metal atoms. The geometry of the six-coordinate Sn(IV) atom is a distorted trans-C(2)SnO(4) octa-hedron [C-Sn-C = 155.32 (8)°].

Chloridobis(2-chloro-benz-yl)(quinolin-8-olato-κN,O)tin(IV).

The Sn(IV) atom in the three independent mol-ecules of the title compound, [Sn(C(7)H(6)Cl)(2)(C(9)H(6)NO)Cl], is N,O-chelated by the quinolin-8-olate anion and exists in a cis-C(2)SnNOCl trigonal-bipyramidal geometry; the O atom of the anion and the two benzyl C atoms lie in the equatorial plane.

Tris(2-chloro-benz-yl)[3-(4-methyl-phen-yl)prop-2-enoato-κO]tin(IV).

The Sn(IV) atom in the title compound, [Sn(C(7)H(6)Cl)(3)(C(10)H(9)O(2))], exists in a tetra-hedral geometry [Σ C-Sn-C = 341.5 (4)°]. If the doubly bonded carbonyl O atom is taken into account for the coordination sphere of Sn [Sn⋯O = 2.808 (2) Å], the coordination geometry can be described as a cis-penta-gonal bipyramid.

catena-Poly[[tribenzyl-tin(IV)]-µ-4-formyl-2-meth-oxy-6-nitro-phenolato-κO:O].

The formyl-meth-oxy-nitro-phenoxide ions in the polymeric title compound, [Sn(C(7)H(7))(3)(C(8)H(6)NO(5))](n), link adjacent triorganotin(IV) cations into linear chains lying close to (101) [Sn-O = 2.1227 (12) Šand Sn← O = 2.4936 (13) Å]. The Sn(IV) atom is displaced out of the C(3)Sn girdle of the trans-C(3)SnO(2) trigonal-bipyramidal polyhedron in the direction of the covalently-bonded O atom [Sn-O-C = 137.63 (11)°] by 0.247 (1) Å; the geometry is distorted towards an octa-hedron by a remote O atom of the meth-oxy subsituent [Sn⋯O = 3.019 (1) Å].

Dichloridobis(4-methyl-benz-yl)(1,10-phenanthroline-κN,N')tin(IV).

The tin(IV) atom in the title compound, [Sn(C(8)H(9))(2)Cl(2)(C(12)H(8)N(2))], is chelated by the N-heterocycle and bonded to two C atoms and two chloride ions in an SnC(2)Cl(2)N(2) octa-hedral coordination environment with the C atoms trans to each other. The dihedral angles between the heterocycle ring system and the benzene rings of the 4-methyl-benzyl groups are 21.20 (12) and 28.71 (11)°.

{[(N-Butyl-N-methylcarbamothioyl)sulfanyl]acetato-κO}tris(2-chloro-benz-yl)tin(IV).

The Sn atom in the title compound, [Sn(C(7)H(6)Cl)(3)(C(8)H(14)NO(2)S(2))], is coordinated by three chlorobenzyl ligands and one carboxylate O atom of the substituted acetate ligand in a distorted tetra-hedral environment. Three of the C atoms of the n-butyl group are disordered over two sites with equal occupancies.

catena-Poly[[tris-(4-fluoro-benz-yl)tin(IV)]{µ-[(N,N-diisopropylcar-bamo-thioyl)sulfanyl]acetato-κO:O'}].

In the title compound, [Sn(C(7)H(6)F)(3)(C(9)H(16)NO(2)S(2))](n), the Sn atom is coordinated in a slightly distorted, trans-C(3)SnO(2) trigonal-bipyramidal environment. Symmetry-related Sn atoms are bridged by diisopropyl-dithio-carbamoylacetato ligands, forming a one-dimensional polymer along [001].

Tris(o-chloro-benz-yl)[3-(4-meth-oxybenzoyl)-propionato-κO]tin(IV).

The tin atom in the title compound, [Sn(C(7)H(6)Cl)(3)(C(11)H(11)O(4))], exists in a distorted tetra-hedral coordination environment. The carboxyl-ate anion is equally disordered over two positions.

catena-Poly[[tribenzyl-tin(IV)]-µ-2-(piperidin-1-ylcarbothio-ylsulfan-yl)acetato-κO:O'].

The Sn atom in the title polymeric compound, [Sn(C(7)H(7))(3)(C(8)H(12)NO(2)S(2))](n), exists in a trans-C(3)O(2) trigonal-bipyramidal coordination environment in the two independent formula units. The carboxyl-ate moiety functions in a bridging mode, linking adjacent triorganotin cations into a linear chain running along the shortest axis of the triclinic unit cell; the repeat distance of the polymer is half the a-axial length. In one formula unit, the Sn atom is displaced out of the equatorial plane in the direction of the Sn-O(covalent) bond by 0.093 (4) Šand in the second mol-ecule, the Sn atom is displaced by 0.105 (4) Šin the same direction.

Tris(2-chloro-benz-yl)(1H-1,2,4-triazole-5-thiol-ato-κS)tin(IV)-tris-(2-chloro-benz-yl)(4H-1,2,4-triazole-3-thiol-ato-κS)tin(IV) (1/1).

Tris(2-chloro-benz-yl)tin hydroxide condenses with 3-mercapto-1,2,4-triazole to form the 1:1 cocrystal of the title compound, [Sn(C(7)H(6)Cl)(3)(C(2)H(2)N(3)S)]. The asymmetric unit contains two mol-ecules which differ only in the position of the nitro-gen-bound H atom of the triazole ring; one mol-ecule is linked to the other mol-ecule by an N-H⋯N hydrogen bond. In the second mol-ecule, two of the chloro-benzyl units are disordered over two positions in a 0.73 (1):0.27 (1) ratio. The Sn atom in both mol-ecules shows a distorted tetra-hedral SnSC(3) coordination.

Tribenzylbis(triphenyl-arsine oxide-κO)tin(IV) tetra-phenyl-borate.

The crystal structure of the title salt, [Sn(C(7)H(7))(3)(C(18)H(15)AsO)(2)][B(C(6)H(5))(4)], consists of discrete cations and anions; the tin atom of the cation is five-coordinated in a distorted trans-C(3)SnO(2) trigonal-bipyramidal geometry [summation of C-Sn-C angles 360.0 (3)° and O-Sn-O angle 173.1 (1)°]. The structure contains voids of 113 (19) Å(3), but no solvent mol-ecule could reasonably be located there.

Dichloridobis(4-chloro-benz-yl)(4,4'-dimethyl-2,2'-bipyridine-κN,N')tin(IV).

The Sn(IV) atom in the title compound, [Sn(C(7)H(6)Cl)(2)Cl(2)(C(12)H(12)N(2))], is coordinated by the bidentate N-heterocycle mol-ecule, two chloro-benzyl anions and two Cl(-) anions in a distorted trans-C(2)SnCl(2)N(2) octa-hedral geometry [C-Sn-C = 178.4 (1)°]. In the mol-ecular structure, the two benzene rings are oriented at a dihedral angle of 39.62 (17)°.