Differentiating Possible Surface Properties in an Unsymmetrical Crystal by Contact Angle Measurements

Crystal Growth and Design

Volumn 1, Issue 3, 2001, Pages 199-201

  Tejada, Frederick ^a   Biewer, Michael C ^a  

^a UNIVERSITY OF TEXAS AT DALLAS   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0011761313     PISSN: 15287483     EISSN: None     Source Type: Journal    
DOI: 10.1021/cg0102857     Document Type: Article

References (16)

1. Desiraju, G. R. The Crystal as a Supramolecular Entity: Perspectives in Supermolecular Chemistry; Wiley: New York, 1996.
2. Braga, D.; Grepioni, F. Acc. Chem. Res. 2000, 33, 601-608.
3. Yaghi, O. M.; Li, H.; Davis, C.; Richardson, D.; Groy, T. L. Acc. Chem. Res. 1998, 31, 474-484.
4. (a) Desiraju, G. R. Chem. Commun. 1997, 1475-1482.
5. (b) McDonald, J. C.; Whitesides, G. M. Chem. Rev. 1994, 94, 2383-2420.
6. Sonogashira, K.; Tohda, Y.; Nagahira, N. Tetrahedron Lett. 1975, 50, 4467-4470.
7. 1/a, a = 12.778 Å, b = 5.764 Å, c = 15.508 Å, β = 113.39°.
8. w = 0.105.
9. Pedireddi, V. R.; Reddy, S.; Goud, S.; Craig, D. C.; Rae, D.; Desiraju, G. R. J. Chem. Soc., Perkin Trans. 2 1994, 2353-2360.
10. The rms deviation for the heavy atoms of 2 overlaid upon 3, as calculated by Chem 3D, is 0.12 Å.
11. -2 M) were grown from both benzene and methanol solutions by slow evaporation. The only morphology observed was flat rectangular plates. Crystal structures were obtained from crystals grown in benzene for 2 and methanol for 3.
12. The difference in melting point is also a result of the larger molecular weight of 2 versus 3. Therefore, how directly this melting point difference reflects the difference in packing stability is unclear.
13. Wang, J. L.; Leiserowitz, L.; Lahav, M. J. Phys. Chem. 1992, 96, 15-16.
14. Contact angles were obtained by placing a static drop of ultrahigh purity water on the crystal surface with measurements taken using a Tantec Inc. CAM-MICRO contact angle meter.
15. McBride, J. M.; Segmuller, B. E.; Hollingsworth, M. D.; Mills, D. E.; Weber, B. A. Science 1986, 234, 830-835.
16. Bain, C. D.; Troughton, E. B.; Tao, Y.-T.; Evall, J.; Whitesides, G. M.; Nuzzo, R. G. J. Am. Chem. Soc. 1989, 111, 321-335.