Abstract
Two crystalline adducts of triethylenediamine with hydroquinone [N(CH2CH2)3N·C6H4(OH)2,I] and phenol [N(CH2CH2)3N·2C6H5OH,II] have been isolated and characterized by X-ray analysis. ComplexI crystallizes in the monoclinic space groupC2/c, witha=11.944(2),b=9.491(2),c=11.986(2) Å,β=121.70(1)°, andZ=4. Both molecular components occupy sites of symmetry 2, and are linked alternately by N ⋯ H-O hydrogen bonds to form infinite zigzag chains. Crystals ofII are also monoclinic, with space groupP21/c,a=12.987(2),b=6.376(1),c=21.350(3) Å,β=106.94(1)°, andZ=4. The structure is composed of discrete hydrogen-bonded molecular aggregates corresponding to the stoichiometric formula. The triethylenediamine moieties in both adducts closely approximate to the idealizedD 3 h conformation. The structures have been refined toR values of 0.097 (I) and 0.092 (II) using, respectively, 479 and 1580 observed MoKα data.
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Mak, T.C.W., Yip, WH. & Book, L. Isolation and crystal structures of triethylenediamine-hydroquinone (1/1) and triethylenediamine-phenol (1/2). Journal of Crystallographic and Spectroscopic Research 14, 457–465 (1984). https://doi.org/10.1007/BF01160694
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DOI: https://doi.org/10.1007/BF01160694