244036-47-3

Basic information

• Product Name: closo-1,7-P₂B₁₀Cl₁₀
• Synonyms: closo-1,7-P₂B₁₀Cl₁₀
• CAS NO: 244036-47-3
• Molecular Weight: 524.588
• Mol File: 244036-47-3.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: closo-1,7-P₂B₁₀Cl₁₀(CAS DataBase Reference)
• NIST Chemistry Reference: closo-1,7-P₂B₁₀Cl₁₀(244036-47-3)
• EPA Substance Registry System: closo-1,7-P₂B₁₀Cl₁₀(244036-47-3)

Safety Data

• Hazardous Substances Data: 244036-47-3(Hazardous Substances Data)

Upstream product

• 13701-67-2 diboron tetrachloride 
• 7719-12-2 phosphorus trichloride 

Relevant articles and documents

Synthesis of halogenated polyhedral phosphaboranes. Crystal structure of closo-1,7-P2B10Cl10

The 12-vertex closo-phosphaborane 1,7-P2B10Cl10 (1) has been prepared in low yield from the pyrolysis reaction of B2Cl4 with PCl3 at temperatures above 400 °C. A single-crystal X-ray structure determination of 1 (monoclinic space group P21/n with a = 9.239(2) A, b = 16.786(3) A, c = 15.739(3) A, β = 93.25(3)°, and Z = 4) confirmed that, consistent with its 26 skeletal electron count, the phosphaborane adopts a distorted icosahedral structure with the phosphorus atoms in the 1,7-positions. Crystals of 1 contain toluene in a 1:1 molar ratio embedded between each P atom of neighboring cluster molecules. Alteration of the pyrolytic conditions resulted in the formation of the phosphaboranes P4B8Cl6 (2) and P2B8Cl8 (3), which were characterized spectroscopically. Copyrolysis of B2Cl4 with a mixture of PCl3 and AsCl3 at 450 °C generated the six-vertex arsaphosphaborane AsPB4Cl4 (4) and traces of the icosahedral arsaphosphaborane AsPB10Cl10. These compounds are examples of heteroboranes which contain two different group-15 atoms within a single molecule.