Grice, J. D., Gault, R. A., and Chao, G. Y. (1995) Reederite-(Y), a new sodium rare-earth carbonate mineral with a unique fluorosulfate anion. American Mineralogist 80, 1059-1064. TABLE 5. Anisotropic displacement coefficients (x10^3, A^2) for reederite-(Y) atom U11 U22 U33 U23 U13 U12 Y 11(1) 11(1) 8(1) 5(1) 0 0 Na1 18(1) 18(1) 19(2) 9(1) 0 0 Na2 19(1) 18(1) 25(1) 6(1) -4(1) 3(1) Na3 52(3) 88(4) 23(2) 55(3) 0 0 Na4 21(2) 26(2) 19(1) 12(1) 0 0 Na5 30(2) 30(2) 12(1) 15(1) 0 0 S 16(1) 16(1) 22(2) 8(1) 0 0 F 13(5) 13(5) 19(5) 6(2) 0 0 Cl 25(2) 25(2) 760(46) 12(1) 0 0 O1 38(3) 39(3) 24(2) 24(2) -1(2) 12(2) O2 19(3) 13(2) 24(2) 0(2) 0 0 O3 21(2) 16(2) 22(2) 10(2) 1(1) 0(1) O4 16(2) 14(2) 20(1) 7(1) -4(1) 1(1) O5 19(2) 18(2) 19(1) 9(2) -3(1) 1(1) O6 32(5) 27(5) 230(16) 12(4) 0 0