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(Perylene)3-(TCNQF1)2: Yet Another Member in the Series of Perylene–TCNQFx Polymorphic Charge Transfer Crystals

AuthorsSalzillo, Tommaso; Valle, Raffaele G. Della; Venuti, Elisabetta; Brillante, Aldo; Kociok-Köhn, Gabriele; Nuzzo, Daniele Di; Masino, Matteo; Girlando, Alberto
KeywordsCharge transfer crystals
X-ray diffraction
Vibrational spectroscopy
Issue DateMar-2020
PublisherMolecular Diversity Preservation International
CitationCrystals 10(3): 177 (2020)
AbstractThe 3:2 Charge Transfer (CT) co-crystal (Perylene)3(TCNQF1)2 is grown by the Physical Vapor Transport (PVT) method, and characterized structurally and spectroscopically. Infrared analysis of the charge sensitive modes reveals a low degree of charge transfer (less than 0.1) between donor and acceptor molecules. The crystal is isostructural to the other 3:2 CT crystals formed by Perylene with TCNQF2 and TCNQF4, whereas such stoichiometry and packing is not known for the CT crystals with non-fluorinated TCNQ. The analysis of the isostructural family of 3:2 Perylene–TCNQFx (x = 1,2,4) co-crystal put in evidence the role of weak F…HC bonding in stabilizing this type of structure
Publisher version (URL)http://dx.doi.org/10.3390/cryst10030177
Appears in Collections:(ICMAB) Artículos
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