A new polymorph and two inclusion compounds of 9,9'-spirobifluorene

Two new inclusion compounds of 9,9'-spirobifluorene (SBF) incorporating benzene [(I), C25H16.C6H6] and biphenyl [(II), C25H16.C12H10], and a new polymorph of SBF [(III), C25H16] are reported. All three exhibit C-H...pi(arene) hydrogen bonds between adjacent SBF molecules. Compound (II) also con...

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Veröffentlicht in:	Acta crystallographica. Section C, Crystal structure communications Crystal structure communications, 2005-05, Vol.61 (Pt 5), p.o328-o331
Hauptverfasser:	DOUTHWAITE, Richard E, TAYLOR, Andrew, WHITWOOD, Adrian C
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: structure, mechanical and thermal properties Crystalline state (including molecular motions in solids) Exact sciences and technology Physics Structure of solids and liquids crystallography Structure of specific crystalline solids Theory of crystal structure, crystal symmetry calculations and modeling
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Beschreibung
Zusammenfassung:	Two new inclusion compounds of 9,9'-spirobifluorene (SBF) incorporating benzene [(I), C25H16.C6H6] and biphenyl [(II), C25H16.C12H10], and a new polymorph of SBF [(III), C25H16] are reported. All three exhibit C-H...pi(arene) hydrogen bonds between adjacent SBF molecules. Compound (II) also contains biphenyl C-H to SBF pi-arene interactions. Collectively, hydrogen bonding gives rise to a chain and a layered motif in compounds (I) and (II), respectively.
ISSN:	0108-2701 1600-5759
DOI:	10.1107/s0108270105009479