Crystal structure of a host–guest complex of the tris-urea receptor, 3-(4-nitro­phen­yl)-1,1-bis­{2-[3-(4-nitro­phen­yl)ureido]eth­yl}urea, that encapsulates hydrogen-bonded chains of di­hydrogen phosphate anions with separate tetra-n-butyl­ammonium counter-ions

Wang, R.; Shu, X.; Fan, Y.; Li, S.; Jin, Y.; Xia, C.; Huang, C.

doi:10.1107/S2056989019001336

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 2
A partial view along the b axis of the crystal packing of the title complex. The receptors R1 and R2 are drawn in space-filling mode. The H atoms not involved in the O—H⋯O hydrogen bonds have been omitted.

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 75| Part 3| March 2019| Pages 319-323

https://doi.org/10.1107/S2056989019001336

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