P4Pa3
Wojakowski, A.Damien, D.Hery, Y.
Journal of the Less-Common Metals (1982) 83, 169-174
a=8.2424Å b=8.2424Å c=8.2424Å
α=90° β=90° γ=90°
As2Pa
Hery, Y.Damien, D.Haessler, M.de Novion, C.H.
Radiochemical and Radioanalytical Letters (1978) 32, 283-292
a=3.968Å b=3.968Å c=8.127Å