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Trans-Bis[(1-ammonio-pentane-1,1-di-yl)diphospho-nato-?O,O']diaqua-copper(II).


ABSTRACT: In the title compound, [Cu(C(5)H(14)NO(6)P(2))(2)(H(2)O)(2)], the Cu(II) atom occupies a special position on an inversion centre. It exhibits a distorted octa-hedral coordination environment consisting of two O,O'-bidentate (1-ammonio-pentane-1,1-di-yl)diphospho-nate anions in the equatorial plane and two trans water mol-ecules located in axial positions. The ligand mol-ecules are coordinated to the Cu(II) atom in their zwitterionic form via two O atoms from different phospho-nate groups, creating two six-membered chelate rings with a screw-boat conformation. The CuO(6) coordination polyhedron is strongly elongated in the axial direction with 0.6?Å longer bonds than those in the equatorial plane. Intra-molecular N-H?O hydrogen bonding helps to stabilize the mol-ecular configuration. The presence of supra-molecular -PO(OH)?O(OH)P- units parallel to (100) and other O-H?O and N-H?O hydrogen bonds establish the three-dimensional set-up.

SUBMITTER: Tsaryk NV 

PROVIDER: S-EPMC3011560 | biostudies-literature | 2010 Nov

REPOSITORIES: biostudies-literature

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trans-Bis[(1-ammonio-pentane-1,1-di-yl)diphospho-nato-κO,O']diaqua-copper(II).

Tsaryk Natalia V NV   Dudko Anatolij V AV   Kozachkova Alexandra N AN   Bon Vladimir V VV   Pekhnyo Vasily I VI  

Acta crystallographica. Section E, Structure reports online 20101110 Pt 12


In the title compound, [Cu(C(5)H(14)NO(6)P(2))(2)(H(2)O)(2)], the Cu(II) atom occupies a special position on an inversion centre. It exhibits a distorted octa-hedral coordination environment consisting of two O,O'-bidentate (1-ammonio-pentane-1,1-di-yl)diphospho-nate anions in the equatorial plane and two trans water mol-ecules located in axial positions. The ligand mol-ecules are coordinated to the Cu(II) atom in their zwitterionic form via two O atoms from different phospho-nate groups, creati  ...[more]

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