5,17-Bis(acetamido)-25,26,27,28-tetrapropoxycalix[4]arene; the first example of two different pinched cone conformations in the solid state

Autor:	Paul J. Bodewes, David N. Reinhoudt, Remko H. Vreekamp, Willem Verboom, Sybolt Harkema
Přispěvatelé:	Faculty of Science and Technology, Molecular Nanofabrication
Rok vydání:	2010
Předmět:	Crystallography chemistry.chemical_compound chemistry Ethyl acetate Solid-state Molecule General Chemistry Triclinic crystal system
Zdroj:	Recueil des travaux chimiques des Pays-Bas, 115(9), 402-406. Royal Netherlands Chemical Society
ISSN:	0165-0513
DOI:	10.1002/recl.19961150904
Popis:	Crystals of 5,17‐bis(acetamido)‐25,26,27,28‐tetrapropoxycalix[4]arene · ethyl‐acetate (1: 1), C44H54N2O6 · C4H8O2 are triclinic, space group P‐1, a = 13.319(4), b = 15.519(4), c = 22.386(6) Å, α = 104.73(3), β = 99.02(3), γ = 95.30(3)°, T = 100(5) K, Z = 4. The asymmetric unit contains two calix[4]arene molecules and two ethyl acetate molecules. The two calix[4]arene molecules have different pinched cone conformations. The phenyl rings show small but consistent boat‐like deformations. The final R factor is 7.9%.
Databáze:	OpenAIRE
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