**Synthesis and X-Ray Crystal Structure of α-Keggin-Type Aluminum-Substituted Polyoxotungstate**

Chika Nozaki Kato1, Yuki Makino1, Mikio Yamasaki2, Yusuke Kataoka3, Yasutaka Kitagawa3 and Mitsutaka Okumura3

> *1Shizuoka University 2Rigaku Corporation 3Osaka University Japan*
