Preparation, Crystal Structure, Vibrational Spectra, and Thermal Behavior of Tl₂H₂P₂O₆ and Tl₄P₂O₆

Abstract

Abstract.The new thallium(I) salts, Tl 2 H 2 P 2 O 6 (1) and Tl 4 P 2 O 6 (2), were prepared and structurally characterized by single-crystal X-ray diffraction. Compound 1 crystallizes in the monoclinic space group P2 1 /c and compound 2 in the orthorhombic space group Pbca. Both structures feature channels occupied by the lone electron pairs of Tl + cations. Furthermore, those are built up by discrete [H 2 P 2 O 6 ] 2-for compound 1 and [P 2 O 6 ] 4-units for 2 in staggered conformation for the P 2 O 6 skeleton and the thallium cations. In Tl 2 H 2 P 2 O 6 (1) the

Sodium hypodiphosphate – a new ionic conductor. Synthesis, stability, conductivity and 3D electron diffraction crystal structure

“…The only known so far anhydrous neutral hypodiphosphate is Tl 4 (P 2 O 6 ). 16 The purity, morphology and thermal stability of the sodium hypodiphosphate were analysed by variabletemperature optical microscopy, scanning electron microscopy (SEM) with energy dispersive X-ray analysis (EDX), powder X-ray diffraction (PXRD) and thermogravimetry (TG-DSC) (see Fig. S1-S6 in the ESI † for details).…”