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Open AccessArticle

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

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Dipartimento di Chimica Industriale “Toso Montanari”, Università di Bologna and INSTM UdR Bologna, Viale Risorgimento, 40136 Bologna, Italy
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Department of Molecular Nanoscience and Organic Materials, Institut de Ciència de Materials de Barcelona (ICMAB-CSIC) and (CIBER-BBN), Campus de la UAB, 09193 Bellaterra, Spain
3
Material and Chemical Characterization facility (MC2), University of Bath, Claverton Down, Bath BA2 7AY, UK
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Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, UK
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Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale (SCVSA), Università di Parma and INSTM-UdR Parma, Parco Area delle Scienze 17/a, 43124 Parma, Italy
*
Authors to whom correspondence should be addressed.
Crystals 2020, 10(3), 177; https://doi.org/10.3390/cryst10030177
Received: 18 February 2020 / Revised: 2 March 2020 / Accepted: 4 March 2020 / Published: 6 March 2020
(This article belongs to the Special Issue Charge Transfer Crystals)
The 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 FHC bonding in stabilizing this type of structure View Full-Text
Keywords: charge transfer crystals; X-ray diffraction; vibrational spectroscopy charge transfer crystals; X-ray diffraction; vibrational spectroscopy
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Salzillo, T.; Valle, R.G.D.; Venuti, E.; Brillante, A.; Kociok-Köhn, G.; Di Nuzzo, D.; Masino, M.; Girlando, A. (Perylene)3-(TCNQF1)2: Yet Another Member in the Series of Perylene–TCNQFx Polymorphic Charge Transfer Crystals. Crystals 2020, 10, 177.

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