Crystal structure of 11,23-bis-(tert-butyl)-25,27-bis-(ethoxyethoxy)-26,28-bis-(propoxy)calix[4]arene, C50H68O6
نویسندگان
چکیده
منابع مشابه
Crystal structure of bis[bis(4-azaniumylphenyl) sulfone] tetranitrate monohydrate
In the title compound, the hydrated tetra-(nitrate) salt of dapsone (4,4'-di-amino-diphenyl-sulfone), 2C12H14N2O2S2+·4NO3-·H2O {alternative name: bis[bis-(4,4'-di-aza-niumylphen-yl) sulfone] tetra-nitrate monohydrate}, the cations are conformationally similar, with comparable dihedral angles between the two benzene rings in each of 70.03 (18) and 69.69 (19)°. In the crystal, mixed cation-anion-...
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systems that can be applicable for heterocyclic pigments. A series of investigations was carried out on the pigments based on this chromophore with special attention being paid to the correlation between the crystal structures and the electronic structures.1 Most of such studies have been on compounds with aromatic substituents at the 3 positions. On the other hand, we have been interested in t...
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Two new dialkylammonium thiosulfates, namely bis(diisopropylammonium) thiosulfate, 2C(6)H(16)N(+)·S(2)O(3)(2-), (I), and bis(tert-butylammonium) thiosulfate, 2C(4)H(12)N(+)·S(2)O(3)(2-), (II), have been characterized. The secondary ammonium salt (I) crystallizes with Z = 4, while the primary ammonium salt (II), with more hydrogen-bond donors, crystallizes with Z = 8 and a noncrystallographic ce...
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The asymmetric unit of the title compound, [Fe(C11H19Si)2], consists of one half of a ferrocene derivative. The Fe(II) atom lies on a twofold rotation axis, giving an eclipsed conformation for the cyclo-penta-dienyl ligands. No significant inter-molecular inter-actions are observed in the crystal structure.
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The whole mol-ecule of the title compound, C27H26N2O2, is generated by twofold rotational symmetry, with the central C atom of the pentyl chain located on the twofold rotation axis. The compound crystallizes as a bis-zwitterion, and there are two intra-molecular N-H⋯O hydrogen bonds generating S(6) ring motifs. In the crystal, mol-ecules are linked by pairs of C-H⋯O hydrogen bonds, forming ribb...
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ژورنال
عنوان ژورنال: Zeitschrift für Kristallographie - New Crystal Structures
سال: 2003
ISSN: 2197-4578,1433-7266
DOI: 10.1524/ncrs.2003.218.4.427