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The location of extra-framework Cu 2+ cations in the dehydrated copper ion exchanged zeolite, ferrierite, has been determined from the analysis of synchrotron X-ray powder diffraction data (Cu 0.023 (Al 0.065 Si 0.935 )O 2 ; space groupImmm,a=18.8101(2) Å,b=14.0930(2) Å,c=7.44527(7) Å,V=1973.67(6) Å 3 ,Z=36,R wp =9.89%, χ 2 =1.12). One...
The locations of extra-framework Cu 2+ cations in hydrated copper ion-exchanged mordenite (formula Cu 1384 T 48 O 2 · 28H 2 O, space group Cmcm, a = 18.1659(4) Å,b = 20.375(1) Å,c = 7.495(1) Å, V = 2774.4(4) Å 3 , Z = 1,R = 5.13%) and its partially dehydrated analog (formula Cu 1.468 T 48 O 2 · 4.04H 2 O, space groupCmcm,...
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