Preparation and Preliminary Characterization of a Covalently Pillared Zirconium Phosphate‐ Diphosphonate with Interlayer Microporosity

Abstract

M = 1208.0, yellow. triclinic PI. 7 = 95.47(2) . I,'= 2361.5 A3. 2 =2. pL,s,cd = 1.699. p (Cu,,) = 33.755 cm-'. 4921 reflections (3 < 0 < 51 . k h + k + I ) Mere collected at -100 C on a crystal of 0.26 x 0.20 x 0.09 mm. empirical absorption correction were applied.

Hybrid Organic-Inorganic Materials Based on Organophosphorus Derivatives

“…Alberti et al proposed to overcome this tendency to segregation by using pillars with broad bases, namely 4,4 0 -(3,3 0 ,5,5 0 -tetramethylbiphenylene) bis(phosphonate), to force the alternation of pillars and phosphite groups (Fig. 9) [64,65]. Another possibility is to avoid the use of HF.…”

Direct Synthesis of Functional Zeolitic Materials

“…The first microporous inorganic-organic polymers reported were zirconium-phosphite-diphosphonate materials, formed by zirconium phosphate layers pillared by organic groups [73][74][75]. However, the first description of full three-dimensional inorganic framework containing organic groups was described by Maeda et al [76].…”

Shaping Solid-State Supramolecular Cavities: Chemically Induced Accordionlike Movement ofγ-Zirconium Phosphate Containing Polyethylenoxide Pillars

“…The recently reported observation of the same effect of size reduction in colloidal silver and gold suspensions [5,6] suggests examination of the possibility of chemical reactions, albeit of an altogether different character than in the case of carbon in water, as playing some role in the mechanism of change. The first experiments carried out here sought to determine if Au 3 ions were generated by pulsed laser irradiation of a gold sol.…”

“…Laser-Induced ªRegenerationº of Colloidal Particles: The Effects of Thermal Inertia on the Chemical Reactivity of Laser-Heated Particles** Thomas E. McGrath, Andrew C. Beveridge, and Gerald J. Diebold* Colloidal suspensions of metal particles frequently display surprising colors, [1,2] the most striking examples being perhaps the deep red of colloidal gold and the light yellow-green of colloidal silver. Irradiation of colloidal carbon [3,4] or colloidal metal solutions [5,6] by a high-power, pulsed laser causes a reduction in the diameters and the dispersion of the suspended particles, resulting in dramatic changes in their optical properties that are easily discernible by the unassisted eye. We show here that the mechanism of change in several colloidal metal solutions involves rapid production of ions as a result of laser heating, followed by diffusion and chemical reduction on a long time scale to form new small-diameter colloidal particles.…”

“…[4] In contrast, the high rigidity of the lamellae of g-zirconium phosphate ([ZrPO 4 {O 2 P(OH) 2 }]´2 H 2 O; g-ZrP) allowed us to prepare stable phases with a low extent of pillaring, making the use of pillars with bases no longer necessary. [5] The utilization of diphosphonic acid derivatives of crown ethers led to pillared materials with the ability to recognize cations. [6] More recently, the behavior of g-ZrP pillared with nonrigid alkyl chains was investigated.…”