The Niobium iodide (NbI₅), with the CAS registry number 13779-92-5, is also known as niobium pentaiodide. Its EINECS number is 237-422-1. This chemical's molecular formula is I₅Nb and molecular weight is 727.43. What's more, its systematic name is Niobium(+2) cation pentaiodide. It is stable at room temperature and pressure. It should be sealed and stored in containers with dry inert gas which are placed in cool and ventilated places, and be protected from water/moisture, light and acid.

When you are using this chemical, please be cautious about it as the following:
It can cause burns. When using it, don't breathe dust. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. If the clothing is stained with it, you should take off immediately all contaminated clothing. When using it, you need wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, you must seek medical advice immediately (show the label where possible).

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: [Nb](I)(I)(I)(I)I
(2)InChI: InChI=1S/5HI.Nb/h5*1H;/q;;;;;+5/p-5
(3)InChIKey: FWIYBTVHGYLSAZ-UHFFFAOYSA-I