sample La Cu2 O4+x 2 1 0 0 23. 5. 4 1 .5 0 0 2.3167 1 0.0 1 0.0 1 0.0 0 0.0 1 5.32 1 5.40 1 13.18 0 90 0 90 0 90 -2 0 0 51.30 28.02 131.50 17.44 1773 0 0 2 20.58 13.91 182.04 289.68 1780 0 -2 0 51.23 25.61 140.29 197.69 1784 -2 -2 0 75.59 38.04 95.27 221.22 1787 -2 -2 2 79.32 40.26 108.56 272.88 1791 -2 0 4 68.20 34.42 144.68 323.66 1819 1 -1 3 48.02 24.08 185.50 236.97 1801 -2 2 0 75.82 37.79 174.43 15.78 1804 1 -1 1 37.50 18.65 185.79 211.98 1809 0 0 6 64.07 31.95 181.88 285.97 1812 0 0 8 89.90 42.93 181.81 284.09 1816 1 0 0 0 1 0 1 0 0