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Synthesis and structure of decaaqua-hexasodium-calcium bis-nitrilotris(methylenephosphonate) bis(hexaaquasodium) tetrahydrate [CaNa 6 {NH(CH 2 PO 3 ) 3 } 2 (H 2 O) 10 ][Na(H 2 O) 6 ] 2 · 4H 2 O

Synthesis and structure of decaaqua-hexasodium-calcium bis-nitrilotris(methylenephosphonate)... Abstract The product of the reaction of tetrasodium nitrilotris(methylenephosphonate) Na4H(NH(CH2PO3)3) with Ca(OH)2 having the formula [CaNa6{NH(CH2PO3)3}2(H2O)10][Na(H2O)6]2 · 4H2O (sp. gr. P21/c, Z = 2, a = 12.0579(4) Å, b = 10.4569(3) Å, c = 19.9346(4) Å, β = 95.355(2)°) was synthesized and characterized. The complex anion consists of a ring composed of six hydrate-bridged Na atoms. The cavity of the anion incorporates a Ca atom coordinated by two phosphonate ligands in a distorted octahedral geometry. Each of the two complex cations contains a sodium ion octahedrally coordinated by six water molecules. The crystal packing consists of infinite ribbons of the complex anions, which are linked by hydrate bridges to form layers alternating with layers of the complex cations and interlayers composed of disordered water molecules of solvation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Crystallography Reports Springer Journals

Synthesis and structure of decaaqua-hexasodium-calcium bis-nitrilotris(methylenephosphonate) bis(hexaaquasodium) tetrahydrate [CaNa 6 {NH(CH 2 PO 3 ) 3 } 2 (H 2 O) 10 ][Na(H 2 O) 6 ] 2 · 4H 2 O

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References (30)

Publisher
Springer Journals
Copyright
2017 Pleiades Publishing, Inc.
ISSN
1063-7745
eISSN
1562-689X
DOI
10.1134/s1063774517030208
Publisher site
See Article on Publisher Site

Abstract

Abstract The product of the reaction of tetrasodium nitrilotris(methylenephosphonate) Na4H(NH(CH2PO3)3) with Ca(OH)2 having the formula [CaNa6{NH(CH2PO3)3}2(H2O)10][Na(H2O)6]2 · 4H2O (sp. gr. P21/c, Z = 2, a = 12.0579(4) Å, b = 10.4569(3) Å, c = 19.9346(4) Å, β = 95.355(2)°) was synthesized and characterized. The complex anion consists of a ring composed of six hydrate-bridged Na atoms. The cavity of the anion incorporates a Ca atom coordinated by two phosphonate ligands in a distorted octahedral geometry. Each of the two complex cations contains a sodium ion octahedrally coordinated by six water molecules. The crystal packing consists of infinite ribbons of the complex anions, which are linked by hydrate bridges to form layers alternating with layers of the complex cations and interlayers composed of disordered water molecules of solvation.

Journal

Crystallography ReportsSpringer Journals

Published: May 1, 2017

Keywords: Crystallography and Scattering Methods

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