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Synthese und Kristallstruktur des gemischt‐valenten Komplexes [Sn 2 I 3 (NPPh 3 ) 3 ]
Author(s) -
Chitsaz Soheila,
Neumüller Bernhard,
Dehnicke Kurt
Publication year - 2000
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/(sici)1521-3749(200004)626:4<813::aid-zaac813>3.0.co;2-6
Subject(s) - tin , crystallography , crystal structure , chemistry , molecule , tetrahydrofuran , ring (chemistry) , atom (system on chip) , solvent , organic chemistry , computer science , embedded system
Synthesis and Crystal Structure of the Mixed Valent Complex [Sn 2 I 3 (NPPh 3 ) 3 ] The mixed valent phosphoraneiminato complex [Sn 2 I 3 (NPPh 3 ) 3 ] ( 1 ) was prepared by the reaction of the tin(II) complex [SnI(NPPh 3 )] 2 with sodium in tetrahydrofuran. 1 crystallizes with two formula units of THF to form yellow, moisture sensitive single crystals, which were characterized by a crystal structure determination. 1 · 2 THF: Space group P2 1 /c, Z = 4, lattice dimensions at –80 °C: a = 1964.5(2), b = 1766.0(2), c = 2058.6(2) pm; β = 118.33(1)°, R = 0.052. 1 forms dimeric molecules in which the tin atoms are linked by two nitrogen atoms of two (NPPh 3 – ) groups to form a planar Sn 2 N 2 four‐membered ring. The Sn IV atom is additionally coordinated by a terminal iodine atom and by a terminal (NPPh 3 – ) group, whereas the Sn II atom is additionally coordinated by two iodine atoms forming a ψ trigonal‐bipyramidal surrounding.