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A tetra-gonal polymorph of bis-[hydro-tris-(pyrazol-1-yl)borato]iron(II).

ABSTRACT: The title compound, [Fe(C(9)H(10)BN(6))(2)], is a polymorph of a compound reported previously [Oliver et al. (1980 ?). Inorg. Chem.19, 165-168]. In the previous report, the compound crystallized in the monoclinic space group P2(1)/c (Z = 4), whereas the crystal symmetry of the compound reported here is tetra-gonal (P4(2)/ncm, Z = 4). The mol-ecular structure is comprised of two hydro-tris-(1-pyrazol-yl)borate ligands (Tp(-)) and a central Fe(II) ion, which is coordinated by six pyrazole N atoms from two two Tp(-) ligands, yielding a distorted bipyramidal FeN(6) geometry. The complete molecule exhibits symmetry 2/m.

SUBMITTER: Ni ZH

PROVIDER: S-EPMC3212124 | biostudies-literature | 2011 Aug

REPOSITORIES: biostudies-literature

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A tetra-gonal polymorph of bis-[hydro-tris-(pyrazol-1-yl)borato]iron(II).

Ni Zhong-Hai ZH Li Guo-Ling GL Ma Rui R Nie Jing J

Acta crystallographica. Section E, Structure reports online 20110706 Pt 8

The title compound, [Fe(C(9)H(10)BN(6))(2)], is a polymorph of a compound reported previously [Oliver et al. (1980 ▶). Inorg. Chem.19, 165-168]. In the previous report, the compound crystallized in the monoclinic space group P2(1)/c (Z = 4), whereas the crystal symmetry of the compound reported here is tetra-gonal (P4(2)/ncm, Z = 4). The mol-ecular structure is comprised of two hydro-tris-(1-pyrazol-yl)borate ligands (Tp(-)) and a central Fe(II) ion, which is coordinated by six pyrazole N atoms ...[more]

PMID: 22090826

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