Crystallography Journals Online : IUCR Backfile Archive 1948-2001
Chemistry and Pharmacology
The structure of C10H10N2·C10F8, (I), comprises mixed stacks of parallel (within 2°) neutral molecules, overlapping in a `graphitic' mode. Molecular geometry and UV–visible spectra indicate the absence of charge transfer. Structure (I) in space group P21 is close to P21/c and pseudo-isostructural with the 1:1 complex of naphthalene and C10F8, hence the crystal packing of (I) is governed largely by quadrupole–quadrupole interactions, hydrogen bonding of NH2 groups (including a relatively strong N—H...F bond of 2.16 Å) being less important.
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