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Structural and Physical Properties of (EDO‐TTF‐Cl) 2 XF 6 (X = As, Sb): Geometrical Aspects for Monosubstituted EDO‐TTF (EDO‐TTF = 4,5‐ethylenedioxytetrathiafulvalene)
Author(s) -
Ishikawa Manabu,
Nakano Yoshiaki,
Uruichi Mikio,
Otsuka Akihiro,
Yakushi Kyuya,
Yamochi Hideki
Publication year - 2014
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.201400128
Subject(s) - chemistry , substituent , intermolecular force , crystallography , stacking , molecule , dimer , crystal structure , ion , metal , salt (chemistry) , inorganic chemistry , stereochemistry , organic chemistry
Abstract Compounds of the formula (EDO‐TTF‐Cl) 2 XF 6 (EDO‐TTF‐Cl = 4‐chloro‐4′,5′‐ethylenedioxytetrathiafulvalene, X = As, Sb) were prepared to examine the substituent size effect on the packing structure of the donor molecules. In these salts, a head‐to‐tail type donor stacking was observed. Although the AsF 6 salt is a quasi‐one‐dimensional dimer Mott insulator, the SbF 6 salt shows quasi‐one‐dimensional metallic behavior. Detailed crystal structure analyses revealed the correlation between the anion size and the intermolecular slipping among the donor molecules. The donor morphology, which plays an important role in the overlapping mode selectivity, is characterized by the magnitude and configuration of the out‐of‐plane substituent size.