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Röntgenstrukturbestimmung von AlCl3-Pyridin-Addukten: der strukturelle Aufbau im trans-Dichlorotetrakis(pyridin)aluminium(III)-Tetrachloroaluminat(III) und im Trichlorotris(pyridin)aluminium(III)

X-ray diffraction study of AlCl3-pyridine adducts: the crystal structure of trans-dichlorotetrakis(pyridine)aluminium(III)tetrachloroaluminat(III) and of trichlorotris(pyridine)aluminium(III)

  • Crystals of [Al(C5H5N)4Cl2][AlCl4] are orthorhombic, Pna21, Z = 4, a = 18.522(7), b = 15.141(5), c = 9.593(3) Å, V = 2690(2) Å3 , Dc = 1.440 g/cm3 . The structure has been solved from 5968 diffractometer measured intensities and refined by full-matrix least squares to Rw(F) = 0.032. The crystal structure shows the complex to be trans-dichloro-tetrakis(pyridine)aluminium(III) tetrachloroaluminat(III). The mean trans Al-Cl-and trans Al-N-distances in the octahedron are 2.279(3) and 2.070(4) Å, respectively. Crystals of Al(C5H5N)3Cl3 are monoclinic, P21/c, Z = 4, a = 7.261(2), b = 29.961(4), c = 8.624(1) Å, β = 98.12(2)°, V -1857(1) Å3 , DC = 1.326 g/cm3 . The structure has been solved from 4707 diffractometer measured intensities and refined to Rw(F) = 0.028. The crystal structure shows octahedral complexes AlCl3·3 (C5H5N) with trans geometry. The Al-N-distance trans to chlorine (2.096(2) Å) is significantly longer than the two other Al-N-distances (mean 2.072(2) Å).

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Metadaten
Author:Peter Pullmann, Karl Hensen, Jan W. Bats
URN:urn:nbn:de:hebis:30:3-719669
DOI:https://doi.org/10.1515/znb-1982-1017
ISSN:1865-7117
ISSN:0932-0776
Parent Title (German):Zeitschrift für Naturforschung, B
Publisher:Verlag der Zeitschrift für Naturforschung
Place of publication:Tübingen
Document Type:Article
Language:German
Date of Publication (online):2014/06/02
Year of first Publication:1982
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2024/01/10
Tag:Aluminium Chloride; Crystal Structure; Pyridine
Volume:37.1982
Issue:10
Page Number:4
First Page:1312
Last Page:1315
Institutes:Biochemie, Chemie und Pharmazie / Biochemie und Chemie
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 54 Chemie / 540 Chemie und zugeordnete Wissenschaften
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung-Nicht kommerziell-Keine Bearbeitung 3.0