Structures published

2,11,20,29-tetraoxa[3.3.3.3]paracyclophane

(c₃₂h₃₂o₄)

Journal of Organic Chemistry (2004) 69, 3654-3661

a=8.425(5)Å b=13.235(5)Å c=23.159(5)Å

α=90.00° β=90.00° γ=90.00°

Journal of the American Chemical Society (2007) 129, 4377-4385

a=22.158(7)Å b=14.303(3)Å c=23.344(5)Å

α=90° β=125.02(2)° γ=90°

Journal of the American Chemical Society (2007) 129, 4377-4385

a=11.123(6)Å b=11.647(6)Å c=13.344(5)Å

α=104.53(4)° β=112.03(4)° γ=105.56(5)°