Design of open-framework germanates by combining different building units

Journal of the American Chemical Society

Volumn 128, Issue 44, 2006, Pages 14238-14239

  Christensen, Kirsten E ^a   Shi, Lei ^a   Conradsson, Tony ^a   Ren, Tie Zhen ^a   Dadachov, Mike S ^b   Zou, Xiaodong ^a  

^a STOCKHOLM UNIVERSITY   (Sweden)

^b Corpuscular Inc ^*  (United States)

Author keywords

[No Author keywords available]

Indexed keywords

FDU 4; FLUORINE; GERMANATE; GERMANIUM; HYDROXYL GROUP; OXIDE; SU 44; SU 8; UNCLASSIFIED DRUG;

ARTICLE; CATALYSIS; CHEMICAL STRUCTURE; GEOMETRY; POROSITY; SYNTHESIS; THERMOSTABILITY; X RAY DIFFRACTION;

EID: 33750713665     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja065403z     Document Type: Article

References (25)

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21. 2/HF = 1:1.26 was added for the synthesis of SU-44. The final solutions were transferred to 23 ml Teflon-lined Parr autoclaves and heated under autogenous pressure at 165 °C for 21 days for SU-8 and 170 °C for 7 days for SU-44. The final products for both SU-8 and SU-44 were colorless needle-crystal aggregates. The crystals were filtered, washed first with deionized water and then with acetone, and finally dried in air at room temperature. Both samples were characterized by scanning electron microscopy (SEM), X-ray powder diffraction (XRPD), and CHN analysis. Single crystal X-ray diffraction data for SU-8 were collected at 170 K, on a STOE IPDS diffractometer equipped with an image plate system, using graphite-monochromatized Mo Ka radiation from a rotating anode. For SU-44, single crystal X-ray diffraction data were collected on a MarCCD at 297 K with a synchrotron radiation at the Beam line 1911, Max Lab, Lund University, Sweden.
22. int = 0.1356, R1 = 0.0479 for reflections with I > 2σ (7) and 0.0951 for all reflections, wR = 0.0816.
23. 1 = 0.0788 for reflections with I > 2σ (7) and 0.1093 for all reflections, wR = 0.2413.
24. 2 (SU-8): C, 10.7; N, 4.1; H, 3.0%. Found: C, 11.0; N, 4.2; H 3.1%.
25. 2.85 (SU-44): C, 10.58; N, 4.11; H, 3.11%. Found: C, 10.7; N 4.2; H 3.1%.