Synthesis and Structure of Decaaqua-Hexasodium-Calcium Bis-nitrilotris(methylenephosphonate) Bis(hexaaquasodium) Tetrahydrate [CaNa6{NH(CH2PO3)3}2(H2O)10][Na(H2O)6]2 • 4H2O

被引：2
作者：
Somov, N. V. [1 ]
Chausov, F. F. [2 ,3 ]
Zakirova, R. M. [3 ]
机构：
[1] Lobachevsky State Univ Nizhni Novgorod, Nizhnii Novgorod 603950, Russia
[2] Russian Acad Sci, Phys Tech Inst, Ural Branch, Izhevsk 426000, Russia
[3] Udmurt State Univ, Izhevsk 426034, Russia
来源：
CRYSTALLOGRAPHY REPORTS | 2017年 / 62卷 / 03期
关键词：
CRYSTAL-GROWTH; INHIBITION; COMPLEXES; CORROSION; CHEMISTRY; ACID);
D O I：
10.1134/S1063774517030208
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
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) center dot 4H(2)O (sp. gr. P2(1)/c, Z = 2, a = 12.0579(4) angstrom, b = 10.4569(3) angstrom, c = 19.9346(4) angstrom, beta = 95.355(2)degrees) 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.
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页码：397 / 404
页数：8
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