PbO (oxyde rouge) *** Tétragonal *** 
3.975 3.975 5.023 90 90 90 P 4 N
Pb 0 .5 .2385 1.5 8 
Pb .5 0 -.2385 1.5 8 
O 0 0 0 .65 12 
O .5 .5 0 .65 12