Table 3. Refined atomic coordinates and ADPs (×10⁻² Å²) for sample L2. * U₂₃ of O3 was fixed during refinement.

Site	x	y	z	U11	U22	U33	U12	U13	U23	Ueq
La1 (4f)	1/3	2/3	−0.0012(3)	0.71(5)	U11	1.97(5)	U11/2	0	0	1.13(5)
La2 (6 h)	0.0127(1)	0.2411(1)	1/4	0.41(4)	0.80(4)	0.69(2)	0.22(4)	0	0	0.67(3)
Si (6 h)	0.4027(5)	0.3727(4)	1/4	1.1(2)	0.6(2)	0.4(1)	0.5(1)	0	0	0.7(2)
O1 (6 h)	0.325(1)	0.484(1)	1/4	1.9(5)	4.2(7)	0.8(5)	2.6(5)	0	0	1.9(5)
O2 (6 h)	0.591(1)	0.471(1)	1/4	1.8(5)	0.7(4)	1.2(5)	0.6(4)	0	0	1.3(4)
O3 (12i)	0.3459(8)	0.2578(7)	0.0730(7)	6.2(5)	2.6(4)	1.6(4)	2.7(4)	−1.9(3)	−0.3*	3.3(4)
O4 (2a)	0	0	1/4	0.9(7)	U11	25(2)	U11/2	0	0	9(1)