[Cu<sub>2</sub>(HBTC)<sub>2</sub>(H<sub>2</sub>O)<sub>2</sub>(<f>¿<sub>2</sub></f>-H<sub>2</sub>O)] <f>·</f> 2H<sub>2</sub>O: a new arm-shaped two-dimensional copper coordination polymer having both rhombic cavities and helical-like channels
Autores:Chao Qin, Lin Xu, Changwen Hu, Enbo Wang, Xinlong Wang