Ions

Positional coordinates

Thermal parameters

U (Å2)

x

y

z

Pb2+/Sr2+

0.00

0.00

0.00

U11 = U22 = 0.0374 (5), U33 = 0.008 (5)

Mn2+/Sb5+/Zr4+/Ti4+

0.50

0.50

0.545 (5)

U11 = U22 = 0.0014 (5), U33 = 0.004 (5)

0.00

0.50

0.592 (5)

Uiso = 0.093 (2)

0.50

0.50

0.071 (5)

Uiso = 0.0065 (1)

a = b = 4.027 (2) Å, c = 4.098 (2) Å, RP = 16.5, Rwp = 13.1, Rexp = 9.59, Rf = 2.57, RB = 3.13, Vol = 66.475 (5) and χ2 = 1.86.