Table 1.

Unit Cell Parameters Taken from Synchrotron Rietveld Refinements and Occupancies and Impurity Weight Fractions of ${\left({\text{Mn}}_{0.5}{\text{Fe}}_{0.5}\right)}_{2-\delta }{\text{P}}_{0.5}{\text{Si}}_{0.5}$ Taken from Joint Neutron and Synchrotron Rietveld Refinements

$\delta$	$R_{\text{wp}}$ (%)	$a$ (Å)	$c$ (Å)	vol (Å3)	3f Fe occ	3f Mn occ	3g Mn occ	3g Fe occ	${\left(\text{Mn,Fe}\right)}_3\text{Si}$ (wt %)	${\text{SiO}}_2$ (wt %)
0	15.90	6.03153(3)	3.47789(3)	109.572(2)	0.884(6)	0.111(6)	0.969(6)	0.036(6)	23.3(2)	2.07(6)
0.06	12.11	6.03929(3)	3.47151(2)	109.653(1)	0.890(6)	0.098(7)	0.962(7)	0.040(6)	20.4(2)	2.16(4)
0.12	10.82	6.05463(4)	3.45616(4)	109.723(2)	0.898(7)	0.096(7)	0.944(7)	0.052(7)	14.8(2)	2.22(3)