Table 1. Atomic Positions and Cell Parameters Obtained from the Rietveld Refinement of the NPD Data for YSr₂Cu₂FeO_7.08^a.

atom	site	x	y	z	Biso (Å)	occ.
Y	4a	0	0	0	0.20(4)	1
Sr	8h	0	0.34911(7)	0.0067(8)	0.68(4)	1
Fe1/Cu1	8i	0.0440(8)	0.25	0.5584(5)	1.0(7)	0.426(7)/0.074(7)
Cu2/Fe2	8h	0	0.42610(8)	0.5000(5)	0.28(3)	0.85(1)/0.15(1)
O1	8h	0	0.3257(1)	0.4739(7)	1.30(5)	1
O2a	8g	0.25	0.0630(1)	0.25	0.39(2)	1
O2b	8g	0.25	–0.0649(1)	0.25	0.39(2)	1
O3	8i	0.390(1)	0.25	0.616(1)	2.1(1)	0.574(3)

^aS.G. Imma (no. 74); a = 5.4053(1) Å, b = 22.9136(5) Å, c = 5.4577(1) Å, V = 675.98(2) ų, δ = 0.92; R_p = 3.62%; R_wp = 4.66%; χ² = 4.22.