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[As 3 Br 12 ] 3– and [As 8 I 28 ] 4– – Structurally Novel, Discrete Halogenoarsenate( III ) Ions
Author(s) -
Sheldrick William S.,
Häusler HansJoachim
Publication year - 1987
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.198711721
Subject(s) - octahedron , crystallography , ion , chemistry , combinatorics , physics , materials science , mathematics , crystal structure , organic chemistry
EF 6 octahedra can be linked in a large number of different ways , as demonstrated once again by the preparation of the two title anions, which were obtained as crystalline triethylammonium salts. In [As 3 Br 12 ] 3− , the central AsBr 6 octahedron shares two faces having a common corner with two other AsBr 6 octahedra. [As 8 I 28 ,] 4− (shown at right) formally consists of eight edge‐bridged AsI 6 octahedra.