Caysichite-(Y) Mellini M, Merlino S The Canadian Mineralogist 16 (1978) 81-88 Caysichite: A double crankshaft chain structure _database_code_amcsd 0005150 13.27 13.91 9.73 90 90 90 Ccm2_1 atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Y .1403 .1710 .0422 .00091 .00147 .00289 .00021 -.00013 .00052 Ca .1471 .1647 .4574 .75 .00117 .00198 .00320 -.00040 .00026 -.00058 Y .1471 .1647 .4574 .25 .00117 .00198 .00320 -.00040 .00026 -.00058 Si1 .3990 .1103 .0880 .00056 .00021 .00091 -.00010 -.00041 .00009 Si2 .4069 .1118 .4039 .00018 .00015 .00017 -.00007 .00007 .00002 O1 .3672 0 .0618 .00085 .00002 .00021 0 -.00051 0 O2 .3774 0 .4311 .00129 .00128 .00133 0 .00141 0 O3 .4390 .1228 .2457 .00130 .00072 .00101 -.00031 -.00103 -.00029 O4 .3092 .1808 .0559 .00042 .00099 .00146 0 .00019 .00077 O5 .3187 .1831 .4555 .00106 .00071 .00212 .00049 -.00030 -.00079 O6 .4953 .1382 -.0054 .00133 .00230 .00224 .00038 .00115 -.00077 Wat12 .1520 .2780 .2482 .00126 .00106 .00255 -.00021 .00118 .00005 Wat13 .3478 0 .7445 .00850 .00940 .01650 0 -.00950 0 Wat14 .1698 0 .5297 .50 .00700 .00090 .00580 0 .00360 0 OH14 .1698 0 .5297 .50 .00700 .00090 .00580 0 .00360 0 C1 .0681 .1527 .7562 .89 C2 .1622 0 .1851 .68 O7 .1632 .1381 .7701 2.41 O8 .0226 .1597 .6407 1.26 O9 .0200 .1635 .8693 1.09 O10 .1391 0 .0583 1.59 O11 .1721 .0809 .2538 .69