K3[C3N3(COO)3]•2H2O - Crystal Structure of a New Alkali Derivative of the Multidentate Ligand Triazine Tricarboxylate

被引：6
作者：
Makowski, Sophia J. [1 ]
Hoermannsdorfer, Michael [1 ]
Schnick, Wolfgang [1 ]
机构：
[1] Univ Munich, Dept Chem, Lehrstuhl Anorgan Festkorperchem, D-81377 Munich, Germany
来源：
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2010年 / 636卷 / 15期
关键词：
s-Triazine; Potassium; Carboxylate ligands; Structure elucidation; Metal-organic frameworks; METAL-ORGANIC FRAMEWORKS; TRI-S-TRIAZINE; DIFFRACTION; CAGES; RB;
D O I：
10.1002/zaac.201000245
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Potassium-1,3,5-triazine-2,4,6-tricarboxylate dihydrate K-3[C3N3(COO)(3)]center dot 2H(2)O was obtained by saponification of the respective ethyl ester in aqueous solution under mild conditions and subsequent crystallization at 4 C. The crystal structure of the molecular salt was elucidated by single-crystal X-ray diffraction [P (1) over bar, a = 696.63(14), b = 1748.5(3), c = 1756.0(3) pm, alpha = 119.73(3), beta = 91.96(3), gamma = 93.84(3)degrees, V = 1847.6(6).10(6) pm(3), Z = 6, T = 200 K]. Perpendicular to [100] the triazine tricarboxylate and potassium ions are arranged in layers alternating with layers of crystal water molecules. Two thirds of the triazine tricarboxylate units form hexagonal channels being filled with the remaining triazine tricarboxylate molecules. K-3[C3N3(COO)(3)]center dot 2H(2)O was additionally investigated by means of FTIR spectroscopy, TG and DTA measurements.
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页码：2584 / 2588
页数：5
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