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The title compound, 1,4,7,10,13-pentaoxacycloheptadecane-14,17-dione, C12H20O7, was prepared in a mixture of large ether-ester rings and isolated by preparative gel permeation chromatography. The maximum internal diameter of its cavity was found to be 7.5 Å.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablock shelxl

fcf

Structure factor file (CIF format)
Contains datablock shelxl

CCDC reference: 128800

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