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(Diethyl-enetriamine)bis-(theophyllinato)zinc(II) dihydrate.

ABSTRACT: In the title compound, [Zn(C(7)H(7)N(4)O(2))(2)(C(4)H(13)N(3))]·2H(2)O, the Zn(II) ion is penta-coordinated by three N atoms of the diethyl-enetriamine ligand and one N atom of each of the two theophyllinate anions in a distorted trigonal-bipyramidal geometry. The Zn-N distances range from 2.076?(3) to 2.221?(3)?Å. The crystal packing is stabilized by O-H?O, O-H?N and N-H?O hydrogen bonds involving the theophylline and diethyl-enetriamine ligands and uncoordinated water mol-ecules.

SUBMITTER: Mihaly B

PROVIDER: S-EPMC2977621 | biostudies-literature | 2009 Apr

REPOSITORIES: biostudies-literature

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(Diethyl-enetriamine)bis-(theophyllinato)zinc(II) dihydrate.

Mihály Béla B Forizs Edit E Kun Attila-Zsolt AZ Silaghi-Dumitrescu Ioan I

Acta crystallographica. Section E, Structure reports online 20090430 Pt 5

In the title compound, [Zn(C(7)H(7)N(4)O(2))(2)(C(4)H(13)N(3))]·2H(2)O, the Zn(II) ion is penta-coordinated by three N atoms of the diethyl-enetriamine ligand and one N atom of each of the two theophyllinate anions in a distorted trigonal-bipyramidal geometry. The Zn-N distances range from 2.076 (3) to 2.221 (3) Å. The crystal packing is stabilized by O-H⋯O, O-H⋯N and N-H⋯O hydrogen bonds involving the theophylline and diethyl-enetriamine ligands and uncoordinated water mol-ecules. ...[more]

PMID: 21583807

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