COTUNNITE [1], "distorted" structure type -
matlockite
Atomic Positions
N/N
x/a
y/b
z/c
B(j)
Occupancy
1
0.2607
0.0955
0.2500
0.0000
Pb
2
0.8575
0.0745
0.2500
0.0000
(Cl)
3
0.4773
0.8379
0.2500
0.0000
(Cl)