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Crystal structures of the phosphoraneiminato complex [INi(NPMe3)]4 · C4H8O · C7H8 and of the phosphanimine complex [INi{Me2Si(NPMe3)2}(HNPMe3)]+I-

Title data

Müller, Ulrich ; Bock, Oliver ; Sippel, Heike ; Gröb, Thorsten ; Dehnicke, Kurt ; Greiner, Andreas:
Crystal structures of the phosphoraneiminato complex [INi(NPMe3)]4 · C4H8O · C7H8 and of the phosphanimine complex [INi{Me2Si(NPMe3)2}(HNPMe3)]+I-.
In: Zeitschrift für anorganische und allgemeine Chemie. Vol. 628 (July 2002) Issue 7 . - pp. 1703-1707.
ISSN 0044-2313
DOI: https://doi.org/10.1002/1521-3749(200207)628:7<1703::AID-ZAAC1703>3.0.CO;2-3

Official URL: Volltext

Abstract in another language

The phosphoraneiminato complex 1Ni(NPMe3)](4) was obtained by reaction of NiI2 in molten Me3SiNPMe3 in the presence of potassium fluoride at 200degreesC. Dark-green single crystals of INi(NPMe3)](4) (.) C4H8O (.) C7H8 were formed from THF-toluene solution. According to the X-ray crystal structure determination the complex has a Ni4N4 heterocubane core and its symmetry deviates only marginally from T-d (space group Pca2(1), Z = 4, a = 3160.7(6), b = 1001.5(1), c = 1422.6(8) pm). The INi(NPMe3)](4) molecules are stacked to columns parallel to b, with a nearly tetragonal pattern in projection on (010). The solvent molecules reside in channels between the columns. A side product of the synthesis were blue single crystals of the phosphanimine complex INi{Me2Si(NPMe3)(2)}(HNPMe3)]I-+(-). The crystal structure determination (space group Pca2(1), Z = 4, a = 1213.3(4) b - 1582.7(6), c = 1339.7(4) pm) revealed a distorted tetrahedral coordination of the Ni atom in the cation; the coordinated atoms are the two N atoms of the chelating bis(phosphane)imine molecule, the N atom of the phosphaneimine molecule HNPMe3 and one iodo ligand.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: nickel; phosphoraneiminato complexes; phosphanimine complexes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II > Chair Macromolecular Chemistry II - Univ.-Prof. Dr. Andreas Greiner
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 08 Apr 2015 09:31
Last Modified: 08 Apr 2015 09:31
URI: https://eref.uni-bayreuth.de/id/eprint/9822