I Na O4
Kirkpatrick L, Dickinson R
Journal of the American Chemical Society 48 (1927) 2327-2334
The crystal structure of sodium periodate
_cod_database_code 1010624
_database_code_amcsd 0017506
5.322 5.322 11.93 90 90 90 *I4_1/a
.5 .25 .125
atom x   y    z
Na1  0 .75 .125
I1   0 .75 .625