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Crystal structures of trans-[NiBr2(pyridine)4] and [Ni(HNPEt3)4]I2

Title data

Gröb, Thorsten ; Neumüller, Bernhard ; Harms, Klaus ; Schmock, Fritjof ; Greiner, Andreas ; Dehnicke, Kurt:
Crystal structures of trans-[NiBr2(pyridine)4] and [Ni(HNPEt3)4]I2.
In: Zeitschrift für anorganische und allgemeine Chemie. Vol. 627 (August 2001) Issue 8 . - pp. 1928-1931.
ISSN 0044-2313
DOI: https://doi.org/10.1002/1521-3749(200108)627:8<1928::AID-ZAAC1928>3.0.CO;2-V

Official URL: Volltext

Abstract in another language

Turquoise single crystals of trans-NiBr2(pyridine)(4)] have been obtained by the reaction of excess pyridine with nickel(II) bromide/diacetonealcohol. According to the crystal structure determination the nickel atom is octahedrally coordinated by the two bromine atoms in trans-position and by the nitrogen atoms of the pyridine molecules. Space group Pna2(1), Z = 4, lattice dimensions at 20 degreesC: a = 1592.9(2) b = 943.8(1), c = 1413.0(2) pm, R-1 = 0.0492. Dark blue single crystals of the phosphoraneimine complex Ni(HNPEt3)(4)]I-2 have been obtained from NiI2/H2O with excess Me3SiNPEt3 and subsequent re crystallization from acetonitrile. According to the crystal structure determination the nickel atom is tetrahedrally coordinated by the nitrogen atoms of the HNPEt3 molecules. The iodide ions are connected via N-H (. . .) I contacts with the cation to form an ion triple. Space group P2(1)/c, Z = 4, lattice dimensions at -80 degreesC: a = 1934.9(2), b = 1078.3(1), c = 1966.3(2)pm, beta = 111.040(8)degrees; R-1 = 0.043.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: nickel; triethylphosphoraneimine; crystal structures
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 09:10
Last Modified: 08 Apr 2015 09:10
URI: https://eref.uni-bayreuth.de/id/eprint/9841