The Cyclopentasilane,1,1,2,2,3,3,4,4,5,5-decamethyl-, with the CAS registry number 13452-92-1, is also known as Cyclopentasilane,decamethyl- (8CI,9CI). This chemical's molecular formula is C₁₀H₃₀Si₅ and molecular weight is 290.7727. What's more, its IUPAC name is 1,1,2,2,3,3,4,4,5,5-Decamethylpentasilolane.

Physical properties about Cyclopentasilane,1,1,2,2,3,3,4,4,5,5-decamethyl- are: (1)#H bond acceptors: 0; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 0 Å²; (5)Index of Refraction: 1.423; (6)Molar Refractivity: 90.07 cm³; (7)Molar Volume: 353.4 cm³; (8)Polarizability: 35.7×10^-24 cm³; (9)Surface Tension: 15.4 dyne/cm; (10)Density: 0.82 g/cm³; (11)Flash Point: 58.3 °C; (12)Enthalpy of Vaporization: 43.6 kJ/mol; (13)Boiling Point: 218.1 °C at 760 mmHg; (14)Vapour Pressure: 0.189 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: C[Si]1(C)[Si]([Si]([Si](C)(C)[Si]1(C)C)(C)C)(C)C
(2) InChI: InChI=1/C10H30Si5/c1-11(2)12(3,4)14(7,8)15(9,10)13(11,5)6/h1-10H3
(3) InChIKey: VGLVSMNWXDHPHX-UHFFFAOYAV