Molecular Tubes and Capsules, Part 6. For Part 1–5, see Ref. 1. We are indebted to Dr. Midori Watanabe, the Center of Advanced Instrumental Analysis, Kyushu University, for the measurements of SEM and XRD analysis and to Dr. Hirofumi Nobukuni and Dr. Masatoshi Ishida, Institute for Materials Chemistry and Engineering (IMCE), Kyusyu University, for X-ray crystal analysis. Thanks are also due to Prof. Teh-Chang Chou of Chaoyang University of Technology, Taiwan, for English correction of this manuscript. We wish to thank the Theme Project (Prof. Tahsin J. Chow), Institute of Chemistry, Academia Sinica, Taiwan R.O.C., and a Grant-in-Aid for Scientific Research on Innovative Areas (No. 21106015) from MEXT (Japan), for the financial support of this study.