The crystal and molecular structure of sodium pentacyanoammineferrate(II) heptahydrate. Role of intermolecular hydrogen-bond interactions

The crystal and molecular structures of sodium pentacyanoammineferrate(II) heptahydrate have been determined by X-ray diffraction. The Fe-N distance is longer than in the analogous iron(III) complex by 0.06 Å; the Fe-C and C-N distances are similar to those for the hexacyanoferrate(II) species, alth...

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Detalles Bibliográficos
Autores principales: Parise, A.R., Piro, O.E., Castellano, E.E., Olabe, J.A.
Formato: JOUR
Materias:
Amine complexes
Crystal structures
Cyanoferrate complexes
Iron complexes
anion
cyanide
ferrocyanide
hydrogen
ligand
metal ion
sodium derivative
sodium ion
sodium pentacyanoammineferrate
unclassified drug
water
analytic method
article
atom
chemical analysis
chemical structure
crystal structure
crystallization
hydrogen bond
molecular interaction
molecule
species
structure activity relation
synthesis
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00201693_v319_n1-2_p199_Parise
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
Descripción
Sumario:The crystal and molecular structures of sodium pentacyanoammineferrate(II) heptahydrate have been determined by X-ray diffraction. The Fe-N distance is longer than in the analogous iron(III) complex by 0.06 Å; the Fe-C and C-N distances are similar to those for the hexacyanoferrate(II) species, although with a significant relative shortening of the trans Fe-C bonds. The anions display a chain-like arrangement, with interlinking sodium ions and water molecules H-bonded to cyanide N atoms. By comparing with related structures of pentacyano-L-ferrate(II) ions (L = NO+, CN-), it results that the binding mode of the L ligand influences strongly both the first- and second-sphere metal-ligand interactions. © 2001 Elsevier Science B.V.

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