Citation: K\"all, P.-O.; Grins, J.; Nygren, M. (1991). Structure of the Nd U-phase, Nd~3~Al~3.5~Si~2.5~O~12.5~N~1.5~; a nitrogen-containing phase of the La~3~Ga~5~GeO~14~ structure type. Acta Crystallographica Section C, 47, pp. 2015-2019.
Formula: Al3.5 N1.5 Nd3 O12.5 Si2.5
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al4 Nd3 O14 Si2 (Al4 Nd3 O14 Si2)
Multiplicity: 1
Coordination sequences: