The molecule is a monovalent inorganic anion obtained by deprotonation of one of the six OH groups in orthoperiodic acid acid. It is an orthoperiodate ion and a monovalent inorganic anion. It is a conjugate base of an orthoperiodic acid. It is a conjugate acid of an orthoperiodate(2-).
tetrahydroxy-oxido-oxo-lambda7-iodane