Angewandte Chemie Coordination Polymers DOI: 10.1002/ange.201002259 Control of Interpenetration for Tuning Structural Flexibility Influences Sorption Properties** Sareeya Bureekaew, Hiroshi Sato, Ryotaro Matsuda,* Yoshiki Kubota, Raita Hirose, Jungeun Kim, Kenichi Kato, Masaki Takata, and Susumu Kitagawa* Zuschriften 7826  2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Angew. Chem. 2010, 122, 7826 –7830