Acta Crystallographica Section B

Structural Science

Volume 58, Part 5 (October 2002)

Acta Cryst. (2002). B58, 786-802 [doi:10.1107/S010876810200976X]

Ferrocene-1,1'-dicarboxylic acid as a building block in supramolecular chemistry: supramolecular structures in one, two and three dimensions

C. M. Zakaria, G. Ferguson, A. J. Lough and C. Glidewell

Abstract: The supramolecular structures have been determined for nine adducts formed between organic diamines and ferrocene-1,1'-dicarboxylic acid. In the salt-like 1:1 adduct (1) formed with methylamine, the supramolecular structure is one-dimensional, whereas in the 1:1 adducts formed with 1,4-diazabicyclo[2.2.2]octane, (2), and 4,4'-bipyridyl, (4), and in the hydrated 2:1 adduct (3) formed with morpholine, the hard hydrogen bonds form one-dimensional structures, which are expanded to two dimensions by soft C-HO hydrogen bonds. The hard hydrogen bonds generate two-dimensional structures in the 2:1 adduct (5) formed with octylamine, where the ferrocene component lies across a centre of inversion, in the 1:1 adduct (6) formed with piperidine and in the tetrahydrofuran-solvated 1:1 adduct (7) formed with di(cyclohexyl)amine. In the 2:3 adduct (8) formed by tris-(2-aminoethyl)amine, and in the 2:1 adduct (9) formed with 2-(4'-hydroxyphenyl)ethylamine (tyramine), where Z' = 1.5 in space group P $\bar{1}$ , the hard hydrogen bonds generate three-dimensional structures. No H transfer from O to N occurs in (4) and only partial transfer of H occurs in (2); in (1), (6) and (7), one H is transferred to N from each acid molecule, and in (3), (5), (8) and (9), two H are transferred from each acid molecule.

Online 24 September 2002


	Structure factor file (CIF format) (155.4 kbytes) Contains datablock I

	Structure factor file (CIF format) (142.9 kbytes) Contains datablock II

	Structure factor file (CIF format) (218.5 kbytes) Contains datablock III

	Structure factor file (CIF format) (200.7 kbytes) Contains datablock IV

	Structure factor file (CIF format) (160.3 kbytes) Contains datablock V

	Structure factor file (CIF format) (132.3 kbytes) Contains datablock VI

	Structure factor file (CIF format) (540.0 kbytes) Contains datablock VII

	Structure factor file (CIF format) (496.7 kbytes) Contains datablock VIII

	Structure factor file (CIF format) (435.5 kbytes) Contains datablock IX

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