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Cover Feature: The Role of [BF 4 ] − and [B(CN) 4 ] − Anions in the Ionothermal Synthesis of Chalcogenidometalates (Chem. Eur. J. 14/2018)
Author(s) -
Santner Silke,
Sprenger Jan A. P.,
Finze Maik,
Dehnen Stefanie
Publication year - 2018
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201800245
Subject(s) - ionic liquid , boron , ion , absorption (acoustics) , chemistry , ionic bonding , inorganic chemistry , absorption spectroscopy , crystallography , materials science , organic chemistry , physics , catalysis , composite material , quantum mechanics
The nature of the ionic liquid borate anion , [BF 4 ] − or [B(CN) 4 ] − , is an important parameter in the ionothermal synthesis of crystalline selenidostannates using K 4 [SnSe 4 ] ⋅ 4 H 2 O and K 2 [SnCl 6 ]. [BF 4 ] − anions tend to form solid K[BF 4 ], whereas the K + cations remain available for the syntheses in [B(CN) 4 ] − ‐based ionic liquids. The choice of both the anion and the reaction temperature thus influences the product spectrum, and also indirectly the optical absorption properties of the uncommon salts like (C 4 C 1 C 1 Im) 5 [Sn 9 Se 20 ][BF 4 ] or K 2 [Sn 3 Se 7 ]. More information can be found in the Full Paper by S. Dehnen, et al. on page 3474.