Novel Type of Thermostable Channel Clathrate Hydrate Formed by Heptakis(2,6-di-O-methyl)-beta-cyclodextrin small middle dot15 H(2)O-A Paradigm of the Hydrophobic Effect Topography of Cyclodextrin Inclusion Complexes, Part 47. This work was financed by a scholarship under the Development and Promotion of Science and Technology Talents Project (DPST) by the Royal Thai Government Agencies and the Institute for the Promotion of Teaching Science and Technology (IPST) to T. Aree, by the Deutsche Forschungsgemeinschaft, and by Fonds der Chemischen Industrie. We are grateful to Prof. Dr. H. Hartl for the DSC measurements. For Part 46, see T. Aree, H. Hoier, B. Schulz, G. Reck, W. Saenger, Carbohydr. Res. 1999, 320, 120 - 128.