Eakerite Uchida H, Downs R T, Thompson R M Acta Crystallographica E63 (2007) i47-i49 Reinvestigation of eakerite, Ca2SnAl2Si6O18(OH)2*2H2O: H-atom positions by single-crystal X-ray diffraction and correlation with Raman spectroscopic data Locality: Foote Mineral Company mine, Kings Mountain, North Carolina, USA _database_code_amcsd 0010472 15.8202 7.6963 7.4449 90 101.293 90 P2_1/a atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Sn 0 0 0 .00651 .00652 .00640 .00631 -.00026 .00054 .00031 Ca .300365 .31104 .00225 .00876 .00858 .00888 .00905 -.00034 .00227 -.00044 Al .27068 .02215 .68283 .00660 .00669 .00700 .00594 .00023 .00081 .00031 Si1 .45531 .16988 .71316 .00629 .00629 .00606 .00660 -.00021 .00144 -.00056 Si2 .16629 .14507 .30892 .00636 .00589 .00666 .00618 .00003 .00030 .00033 Si3 .49337 .21803 .33559 .00616 .00625 .00615 .00606 .00018 .00114 .00105 O1 .01960 .19958 -.16104 .01086 .0092 .0108 .0128 -.0021 .0026 -.0054 O2 .50547 -.01656 .72868 .0129 .0121 .0068 .0190 .0018 .0009 -.0015 O3 .21455 .30912 .23632 .00992 .0126 .0072 .0104 .0021 .0035 .0010 O4 .12298 .02274 .14054 .00820 .0073 .0089 .0077 -.0004 -.0005 .0025 O5 .36271 .14553 -.23084 .00947 .0078 .0111 .0101 -.0028 .0030 -.0016 O6 .44680 .33291 .16450 .00886 .0085 .0098 .0077 -.0001 .0002 .0035 O7 .23642 .03515 .44934 .01008 .0098 .0120 .0076 -.0023 -.0005 -.0009 O8 .31937 .00282 .1518 .0146 .0095 .0180 .0157 -.0009 .0012 .0001 O9 .20206 .10401 -.18049 .01123 .0075 .0146 .0117 .0013 .0020 -.0014 O10 .43954 .22846 .49792 .0120 .0105 .0186 .0076 .0010 .0035 .0019 O11 .09213 .22090 .41285 .01080 .0078 .0147 .0097 -.0024 .0011 .0024 H81 .316 .002 .239 .067 H82 .363 -.025 .140 .029 H9 .150 .116 -.204 .046