Table 1. Refined structural parameters and agreement factors.

Space group	R3c	P4mm	Cc	P4mm
Statistical parameters	Rwp=10.86; Rp=7.97; Rexp=3.80; GOF=2.86		Rwp=8.29; Rp=6.15; Rexp=3.79; GOF=2.19
Lattice parameters (Å)	a=5.5883c=13.8438	a=3.8185c=4.4943	a=9.7914b=5.5829c=5.6240β=125.69°	a=3.8188c=4.4946
Phase fraction	0.54(R3c)/0.46(P4mm)		0.56(Cc)/0.44(P4mm)

Results of the Rietveld refinements of the Bi_0.68Pb_0.32Fe_0.655Mn_0.025Ti_0.32O₃ powder composition, using mixture models with coexistence of rhombohedral R3c and tetragonal P4mm, and of monoclinic Cc and tetragonal P4mm. Reliability factors (R-factors) R_wp, R_p, R_exp and goodness-of-fit indicator (GOF) are given.