Crystal structure of an indium–salicylhydroximate complex cation: [In<sub>4</sub>(H<sub>2</sub>shi)<sub>8</sub>(H<sub>2</sub>O)<sub>6</sub>](NO<sub>3</sub>)<sub>4</sub>·8.57H<sub>2</sub>O
Acta crystallographica. Section E, Crystallographic communications