Crystal structures of [Li<sub>7</sub>(<i>i</i>-PrO)<sub>3</sub>(C<sub>4</sub>H<sub>10</sub>NO)<sub>3</sub>]<sub>2</sub>O and [Na(<i>i</i>-PrOH)<sub>2</sub>(C<sub>8</sub>H<sub>18</sub>NO<sub>2</sub>)]<sub>2</sub>
Acta crystallographica. Section E, Crystallographic communications