A Robust Microporous Zinc Porphyrin Framework Solid

Inorganic Chemistry

Volumn 42, Issue 24, 2003, Pages 7719-7721

  Smithenry, Dennis W ^a   Wilson, Scott R ^a   Suslick, Kenneth S ^a  

^a UNIVERSITY OF ILLINOIS AT URBANA CHAMPAIGN   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

METAL; METALLOPORPHYRIN; ZEOLITE; ZINC DERIVATIVE;

ADSORPTION; ARTICLE; CATALYSIS; ISOTHERM; MODEL; POLARIZATION; SOLID; STRUCTURE ANALYSIS; SYNTHESIS; X RAY CRYSTALLOGRAPHY;

CRYSTALLOGRAPHY, X-RAY; METALLOPORPHYRINS; MODELS, MOLECULAR; POROSITY; ZINC;

EID: 0345017624     PISSN: 00201669     EISSN: None     Source Type: Journal    
DOI: 10.1021/ic034873g     Document Type: Article

References (24)

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15. 4O.
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17. Structure was solved and refined using SHELX97 (Sheldrick, G. M. SHELXL97: Program for the Refinement of Crystal Structures; University of Göttingen: Göttingen, Germany, 1997).
18. 2.
19. X-ray powder diffraction patterns were collected on the same instrument used for single crystal measurements for 300 s with a 15 cm sample-to-detector distance. Solvated crystals used for XRD measurements were not crushed, but rather gently transferred along with mother liquor into a 1.0 mm X-ray capillary tube. Evacuated crystals were also not crushed prior to placement in a 1.0 mm X-ray capillary tube. The evacuated samples were resolvated directly in the capillary tube via a syringe.
20. TGA of the evacuated solid shows minimal weight loss up to 400 °C, indicating that all of the solvates have been removed by the evacuation procedure.
21. 2O. Calcd: C, 63.16; H, 4.42; N, 5.67; Zn, 15.43. Found: C, 63.29; H, 4.19; N, 5.56; Zn, 15.12. The water in the EA is from sorption from the atmosphere onto the surface of the solid prior to EA. The eight molecules of water included in the formula are in fair agreement with the TGA weight loss measured for the evacuated solid after 12 h of exposure to ambient atmosphere.
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24. An addition of 5% lattice strain to the noncentered simulated XRD gives a pattern with two broad maxima similar in shape, but not position, to the evacuated pattern. The proposed model for the evacuated case requires further development.