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The potassium complex of the [2.1]cryptahemispherand 33,34,35-trimethoxy-5,10,15-trimethyl-22,25,30-trioxa-1,19-diazapentacyclo[17.8.5. 13,7.18,12.113,17]pentatriaconta-3,5,7(33),8,10,12 (34),13, 15,17 (35)-nonaene, crystallizes from ethyl acetate with a thiocyanate counterion {[K(C36H48N2O6)]SCN}. The space group is Pnma. The longer cryptand-like bridge is disordered, departing from mirror symmetry because it is constrained to fold unsymmetrically by the geometry of the rest of the host. Five of the O atoms and the two N atoms of the host, as well as the N of the SCN- ion, are coordinated by the K+ ion. The sixth O atom of the host is at 3.211 (3) Å from the K+ ion, about 0.5 Å farther than the closest O atoms.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks global, DUGBOW

fcf

Structure factor file (CIF format)
Contains datablock crk21

CCDC reference: 129416

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