SYNTHESIS AND STRUCTURE OF AN UNUSUAL NEW LAYERED ALUMINOPHOSPHATE CONTAINING OXALATE GROUPS, [NH3CH2CH2NH3]2.5[Al4H(HPO4)4(H2PO4)2(C2O4)4]

摘要

The first example of an aluminophosphate containing organic anions covalently bonded to the framework of the structure is reported; [NH3CH2CH2NH3]2.5[Al4H(HPO4)4(H2PO4)2(C2O4)4] was prepared hydrothermally and adopts a layered structure. The oxalate groups act as bidentate ligands to Al3+ and hold the structure together by strong interlayer P-O-H-oxalate H bonds. The structure was solved from synchrotron XRD data collected on a very small single crystal, space group C2/m,a=19.683(4) angstroms,b=12.360(3) angstroms,c=16.734(3) angstroms, beta=110.51(3) degrees. 17 refs.