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Redetermination of dipotassium trichlorido-stannate(II) chloride monohydrate.

Ye F, Reuter H - Acta Crystallogr Sect E Struct Rep Online (2013)

Bottom Line: Inorg.Nucl.The positions of the H atoms of the water mol-ecule (also lying on a crystallographic mirror plane) could be determined and confirm the existence of a bifurcated O-H⋯Cl hydrogen bond to neighbouring Cl atoms.

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Affiliation: Institut für Chemie neuer Materialien, Anorganische Chemie II, Universität Osnabrück, Barbarastrasse 7, 49069 Osnabrück, Germany.

ABSTRACT
The title compound, K(2)[SnCl(3)]Cl·H(2)O, is the prototype of some isostructural compounds of composition M(2)[SnX(3)]X·H(2)O (M = large monovalent cation; X = halogen). In comparison with a previous study based on photographic data [Kamenar & Grdenić (1962 ▶). J. Inorg. Nucl. Chem.24, 1039-1045], its crystal structure has now been redetermined using CCD-based data in order to gain more accurate values for bond lengths and angles within the [SnCl(3)](-) anion and to locate the H atoms. The [SnCl(3)](-) anion has a trigonal-pyramidal shape and exhibits crystallographic mirror symmetry. With the exception of the K(+) ion which is located on a general position, all other atoms are situated on crystallographic mirror planes. The coordination polyhedron of the cation may be described by means of nine atoms in the form of a monocapped square anti-prism with seven typical K-Cl/O distances and two additional atoms at considerably longer distances. The positions of the H atoms of the water mol-ecule (also lying on a crystallographic mirror plane) could be determined and confirm the existence of a bifurcated O-H⋯Cl hydrogen bond to neighbouring Cl atoms.

No MeSH data available.


Packing diagram only representing the covalent bonds (yellow) of the trichloridostannate(II) ions and the water molecules; with exception of the hydrogen atoms, which are shown as spheres of arbitrary radius, all other atoms are represented as displacement ellipsoids at the 70% probability level.
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Fap5: Packing diagram only representing the covalent bonds (yellow) of the trichloridostannate(II) ions and the water molecules; with exception of the hydrogen atoms, which are shown as spheres of arbitrary radius, all other atoms are represented as displacement ellipsoids at the 70% probability level.


Redetermination of dipotassium trichlorido-stannate(II) chloride monohydrate.

Ye F, Reuter H - Acta Crystallogr Sect E Struct Rep Online (2013)

Packing diagram only representing the covalent bonds (yellow) of the trichloridostannate(II) ions and the water molecules; with exception of the hydrogen atoms, which are shown as spheres of arbitrary radius, all other atoms are represented as displacement ellipsoids at the 70% probability level.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC3569173&req=5

Fap5: Packing diagram only representing the covalent bonds (yellow) of the trichloridostannate(II) ions and the water molecules; with exception of the hydrogen atoms, which are shown as spheres of arbitrary radius, all other atoms are represented as displacement ellipsoids at the 70% probability level.
Bottom Line: Inorg.Nucl.The positions of the H atoms of the water mol-ecule (also lying on a crystallographic mirror plane) could be determined and confirm the existence of a bifurcated O-H⋯Cl hydrogen bond to neighbouring Cl atoms.

View Article: PubMed Central - HTML - PubMed

Affiliation: Institut für Chemie neuer Materialien, Anorganische Chemie II, Universität Osnabrück, Barbarastrasse 7, 49069 Osnabrück, Germany.

ABSTRACT
The title compound, K(2)[SnCl(3)]Cl·H(2)O, is the prototype of some isostructural compounds of composition M(2)[SnX(3)]X·H(2)O (M = large monovalent cation; X = halogen). In comparison with a previous study based on photographic data [Kamenar & Grdenić (1962 ▶). J. Inorg. Nucl. Chem.24, 1039-1045], its crystal structure has now been redetermined using CCD-based data in order to gain more accurate values for bond lengths and angles within the [SnCl(3)](-) anion and to locate the H atoms. The [SnCl(3)](-) anion has a trigonal-pyramidal shape and exhibits crystallographic mirror symmetry. With the exception of the K(+) ion which is located on a general position, all other atoms are situated on crystallographic mirror planes. The coordination polyhedron of the cation may be described by means of nine atoms in the form of a monocapped square anti-prism with seven typical K-Cl/O distances and two additional atoms at considerably longer distances. The positions of the H atoms of the water mol-ecule (also lying on a crystallographic mirror plane) could be determined and confirm the existence of a bifurcated O-H⋯Cl hydrogen bond to neighbouring Cl atoms.

No MeSH data available.