Pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane,1,3,5,7,9,11,13,15-octaphenyl- (5256-79-1)

The Octaphenylsilsesquioxane with cas registry number of 5256-79-1, whose systematic name is 1,3,5,7,9,11,13,15-octaphenylpentacyclo[9.5.1.1~3,9~.1~5,15~.1~7,13~]octasiloxane. And it is also named 1,3,5,7,9,11,13,15-Octaphenylpentacyclo[9.5.1.1~3,9~.1~5,15~.1~7,13~]octasiloxan.

Physical properties about this chemical are: (1)#H bond acceptors: 12; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 8; (4)Polar Surface Area: 110.76 Å²; (5)Index of Refraction: 1.658; (6)Molar Refractivity: 280.48 cm³; (7)Molar Volume: 761 cm³; (8)Polarizability: 111.19×10^-24cm³; (9)Surface Tension: 47.4 dyne/cm.

You can still convert the following datas into molecular structure: 
(1)SMILES:O1[Si]9(O[Si]4(O[Si]6(O[Si](O[Si]2(O[Si](O[Si](O[Si]1(O2)c3ccccc3)(O4)c5ccccc5)(O6)c7ccccc7)c8ccccc8)(O9)c%10ccccc%10)c%11ccccc%11)c%12ccccc%12)c%13ccccc%13;
(2)InChI:InChI=1/C48H40O12Si8/c1-9-25-41(26-10-1)61-49-62(42-27-11-2-12-28-42)52-65(45-33-17-5-18-34-45)54-63(50-61,43-29-13-3-14-30-43)56-67(47-37-21-7-22-38-47)57-64(51-61,44-31-15-4-16-32-44)55-66(53-62,46-35-19-6-20-36-46)59-68(58-65,60-67)48-39-23-8-24-40-48/h1-40H;
(3)InChIKey:KBXJHRABGYYAFC-UHFFFAOYAQ;
(4)Std. InChI:InChI=1S/C48H40O12Si8/c1-9-25-41(26-10-1)61-49-62(42-27-11-2-12-28-42)52-65(45-33-17-5-18-34-45)54-63(50-61,43-29-13-3-14-30-43)56-67(47-37-21-7-22-38-47)57-64(51-61,44-31-15-4-16-32-44)55-66(53-62,46-35-19-6-20-36-46)59-68(58-65,60-67)48-39-23-8-24-40-48/h1-40H ;
(5)Std. InChIKey:KBXJHRABGYYAFC-UHFFFAOYSA-N