PCOD1000015
[Ca4Al7F33]4-, a = 10.860
A
Known with Na atoms in the holes, as Na4Ca4Al7F33
PCOD1000017
AlF3, a = 9.668 A
known with some OH- and water in the holes : pyrochlore
PCOD1010005
[Ca3Al4F21]3-, a = 9.009
A
UNKNOWN - Could be stuffed by Na
and give the hypothetical Na3Ca3Al4F21
?? or stuffed by Li ?? or ??
PCOD1000014
AlF3, a = 10.216 A, c = 7.241 A
Known as t-AlF3