Synthesis, structure, and properties of nickel complexes with nitrilotris(methylenephosphonic acid) [Ni(H2O)3N(CH2PO3H)3] and Na4[Ni(H2O)N(CH2PO3)3] ∙ 11H2O


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Nitrilotris(methylenephosphonato)triaquanickel and tetrasodium nitrilotris(methylenephosphonato) aquanickelate undecahydrate were synthesized and characterized. The crystal of [Ni(H2O)3N(CH2PO3H)3] is composed of linear coordination polymers and belongs to sp. gr. P21/c, Z = 4, a = 9.17120(10) Å, b = 16.05700(10) Å, c = 9.70890(10) Å, β = 115.830(2)°. The Ni atom is in an octahedral coordination formed by two oxygen atoms of one phosphonate ligand, one oxygen atom of another ligand molecule, and three water molecules in a meridional configuration. The crystal of Na4[Ni(H2O)N(CH2PO3)3] ∙ 11H2O has an island dimeric chelate structure and belongs to sp. gr. С2/c, Z = 8, a = 18.7152(2) Å, b = 12.05510(10) Å, c = 21.1266(2) Å, β = 104.4960(10)°. The Ni atom has a slightly distorted octahedral coordination involving one nitrogen atom and closes three five-membered N–C–P–O–Ni rings sharing the Ni–N bond.

作者简介

I. Fedotova

Udmurt State University

Email: somov@phys.unn.ru
俄罗斯联邦, ul. Universitetskaya 1, Izhevsk, 426034

N. Somov

Lobachevsky Nizhny Novgorod State University

编辑信件的主要联系方式.
Email: somov@phys.unn.ru
俄罗斯联邦, Gagarina pr. 23, Nizhny Novgorod, 603950

F. Chausov

Physico-Technical Institute, Ural Branch; Udmurt State University

Email: somov@phys.unn.ru
俄罗斯联邦, ul. Kirova 132, Izhevsk, 426000; ul. Universitetskaya 1, Izhevsk, 426034

R. Zakirova

Udmurt State University

Email: somov@phys.unn.ru
俄罗斯联邦, ul. Universitetskaya 1, Izhevsk, 426034

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