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[NbAs 8 ] 3− , a Novel Type of Complex and an Unexpected One‐Dimensional Chain Structure:   ∞ 1 [Rb{NbAs 8 }] 2−
Author(s) -
von Schnering HansGeorg,
Wolf Juliana,
Weber Dieter,
Ramirez Rafael,
Meyer Teodoro
Publication year - 1986
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198603531
Subject(s) - rubidium , ethylenediamine , crystallography , chemistry , chain (unit) , ligand (biochemistry) , center (category theory) , product (mathematics) , atom (system on chip) , type (biology) , crystallization , metal , ion , stereochemistry , physics , inorganic chemistry , mathematics , potassium , computer science , organic chemistry , ecology , biochemistry , receptor , geometry , astronomy , embedded system , biology
A serendipitous result was obtained when too much rubidium was used in the synthesis of Rb 3 As 7 in a niobium tube: the surprising product is a complex containing the anion [NbAs 8 ] 3− 1 . This is the first example of an octacycle acting as an η 8 ‐ligand to coordinate a metal atom at its center. With Rb + , one‐dimensional chains   ∞ 1 [Rb{NbAs 8 }] 2− are formed, even though the strong complex formers 2,2,2‐crypt and ethylenediamine were present during the crystallization.

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