A Zeolitic Organo-Metallophosphate Hybrid Material with Bimodal Porosity

Journal of the American Chemical Society

Volumn 126, Issue 5, 2004, Pages 1320-1321

  Liao, Yueh Chun ^a   Liao, Fen Ling ^a   Chang, Wei Kuo ^a   Wang, Sue Lein ^a  

^a NATIONAL TSING HUA UNIVERSITY   (Taiwan)

Author keywords

[No Author keywords available]

Indexed keywords

CARBOXYLIC ACID DERIVATIVE; METAL DERIVATIVE; ORGANIC COMPOUND; PHOSPHATE; ZEOLITE;

ADSORPTION; ARTICLE; CRYSTAL; CRYSTAL STRUCTURE; DISSOLUTION; MATERIALS; PHOTOLUMINESCENCE; POROSITY; SYNTHESIS;

EID: 1042299858     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja0390146     Document Type: Article

References (22)

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14. The reaction mixture was placed in a Teflon-lined Parr bomb (60% filling) and heated at 160 °C for 5 days. The resulting product contained brown crystals of NTHU-2 with an optimum yield up to ∼70% (based on Zn) and a small quantity of unknown phase. EPMA data confirmed the Zn:P ratio to be 1:1 for the brown crystals and the results of EA confirm the organic content. Found/calcd. (%): C, 36.86/36.71; N, 4.20/4.08; H, 3.40/3.23.
15. r = 687.0, R1 = 0.0767. The structure was solved and refined on intensity data of a twinned crystal. It exhibits nonmerohedral twinning with contributions of the twin components being 0.33:0.67.
16. The calculation was performed by a PLATON analysis. Ref: Spek, L. Acta Crystallogr., Sect A 1990, 46, C34.
17. EA results for NTHU-2 degassed at 250 °C: Found (%): C, 25.27; N, 2.69: H, 2.72. Powder XRD pattern revealed that the framework of NTHU-2 was sustained.
18. Type 4 isotherm is a typical behavior of mesoporous materials with the hysteresis indicative of reasonably large pores (d ≳ 4 nm). Also see Gregg, S. J.; Sing, K. S. W. Adsorption, Surface Area and Porosity; Academic Press: New York, 1981; Chapters 3, 4-4.
19. Groen, J. C.; Peffer, L. A. A.; Ramirez. J. P. Microporous Mesoporous Mater. 2003, 60, 1-17.
20. It was found that tmdp itself was neither photoexciting nor emitting, whereas BDC was luminant at 402 nm.
21. This 1:1 tmdp/BDC is a neutral molecular crystal instead of salt. Different acid-base type cocrystals were prepared by self-assembly. They have different ratios and components. (cf. Kapildev K. et al. J. Org. Chem. 2003, 68, 9177-9185.)
22. Ponzini, F.; Zagha, R.; Hardcastle, K. Siegel, J. Angew. Chem. Int. Ed. 2000, 39, 2323-2325.