This chemical is called Chromium silicide(Cr₃Si), and its systematic name is chromium; silicon. With the molecular formula of Cr₃Si, its molecular weight is 184.0738. The CAS registry number of this chemical is 12018-36-9. 

Other characteristics of the chemical can be summarised as followings:(1)Enthalpy of Vaporization: 15.08 kJ/mol; (2)Vapour Pressure: 54300 mmHg at 25 °C; (3)Molecular Weight: 184.0738 g/mol; (4)Molecular Formula: Cr₃Si; (5)Exact Mass: 183.798462; (6)MonoIsotopic Mass: 183.798462.

When you are using this chemical, please be cautious about it as the following:This chemical is harmful if swallowed, and it may also cause sensitization by inhalation and skin contact. So you should wear suitable protective clothing when you use it, and don't forget to keep the container tightly closed. 

You can still convert the following datas into molecular structure: 
1.SMILES: [Cr].[Cr].[Cr].[SiH4]
2.InChI: InChI=1/3Cr.Si
3.InChIKey: ITRGGKFLQODYDH-UHFFFAOYAA
4.Std. InChI: InChI=1S/3Cr.Si
5.Std. InChIKey: ITRGGKFLQODYDH-UHFFFAOYSA-N