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The X-ray crystal structures for the title compounds, (I) (C72H112O8.4C2H6O) and (II) (C72H112O12.2.5C2H6O.H2O) (also called alkyl calix[4]resorcinarene and calix[4]pyrogallene, respectively), have been determined. The `legs' of the long alkyl chains on both compounds are deeply interdigitated and this observation accounts for the spontaneous formation of multilayers of such molecules. Both compounds are in a cone conformation in the crystal with very similar geometry parameters. The arrangement of the molecules in the crystal is also similar, with the long alkyl chains lying nearly parallel to the c axis and with `bowl'-to-`bowl' interactions being effected through van der Waals forces and hydrogen bonds involving solvate molecules [ethanol in the case of (I), and ethanol and water in the case of (II)].

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks I, II, global

sft

Structure factor file (SHELXL table format)
Supplementary material

sft

Structure factor file (SHELXL table format)
Supplementary material

CCDC references: 130189; 130190

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