Crystal Structure of Dibenzophospholanic acid anhydride

Id2204533
Common nameDibenzophospholanic acid anhydride
Chemical namebis(5-hydroxy-5-oxodibenzo-5H-phosphole) anhydride or 9,9'-oxydi(9-phosphafluoren-9-one)
a (Å)11.0105(7)
b (Å)13.6596(10)
c (Å)26.8832(18)
α (°)90.00
β (°)90.00
γ (°)90.00
V (Å3)4043.2(5)
Space groupP b c a
Temperature (K)173(2)
Rint0.0505
Publication: Acta Crystallographica Section E (2004) 60, 11 o1935-o1936