Crystal structure of cyclo -(bis(µ 2 -3,3′-(1 H -imidazole-3-ium-1,3-diyl)dipropionato-κ 4O,O′:O″,O″′ )-dinitrato-κ 2O,O′ -tetraoxido-diuranium(VI) C 18 H 22 N 6 O 18 U 2

[摘要] C18H22N6O18U2, monoclinic, P2/c (no. 13), a = 10.894(2) Å, b = 7.9674(16) Å, c = 16.787(3) Å, β = 100.823(2)°, V = 1399.1(5) Å3, Z = 2, Rgt (F) = 0.0307, wRref (F 2) = 0.0728, T = 296(2) K.