The structure of RUB-1, (C<sub>8</sub>H<sub>16</sub>N)<sub>6</sub>[B<sub>6</sub>Si<sub>48</sub>O<sub>108</sub>], a boron containing levyne-type zeolite, occluding <i>N</i>-methyl-quinuclidinium in the cage-like pores
Zeitschrift für Kristallographie. New crystal structures/Zeitschrift für Kristallographie. New crystal structures