The CAS registry number of Antimonate(1-),hexafluoro-,sodium (1:1),(OC-6-11)- is 16925-25-0. The IUPAC name is sodium hexafluoroantimonate(1-). Its EINECS registry number is 240-989-8. In addition, the molecular formula is F₆Sb.Na and the molecular weight is 258.74. It is a kind of white to off-white fine crystalline powder and belongs to the classes of Antimony Metal and Ceramic Science; Catalysis and Inorganic Chemistry; Chemical Synthesis; Salts; Sodium Salts. And it is sensitive to air. What's more, it can be used as organic fluorinated agent.

When you are using Antimonate(1-),hexafluoro-,sodium (1:1),(OC-6-11)-, please be cautious about it as the following:
It is harmful by inhalation and if swallowed and toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. You only can use it in well-ventilated areas. It is harmful to water, even a small amount can infiltrate to underground water which can cause harm to the drinking water. If without government permission, do not put this material into surroundings.

You can still convert the following datas into molecular structure:
(1)SMILES:[Na+].F[Sb-](F)(F)(F)(F)F
(2)InChI:InChI=1/6FH.Na.Sb/h6*1H;;/q;;;;;;+1;+5/p-6/rF6Sb.Na/c1-7(2,3,4,5)6;/q-1;+1
(3)InChIKey:HKLMYZVMEYYVBS-JDWYLHEGAZ