Guildite Wan C, Ghose S, Rossman G R American Mineralogist 63 (1978) 478-483 Guildite, a layer structure with a ferric hydroxy-sulphate chain and its optical absorption spectra Note: OW2 y-coordinate changed in order to reproduce OW2 bond lengths Note: O6 z-coordinated change from .433 to .0433 to ensure SO4 group _database_code_amcsd 0000661 9.786 7.134 7.263 90 105.28 90 P2_1/m atom x y z Biso Fe 0 0 0 .78 Cu .3497 .25 .6224 1.25 S1 .0180 .25 .6362 .71 S2 .7056 .25 .8828 .74 H1 .035 .25 .229 5.12 H2 .738 .061 .443 3.50 H3 .445 .25 .902 3.50 O1 .1172 .25 .5163 1.15 O2 .0489 .0812 .7612 1.27 O3 .8727 .25 .5223 1.33 O4 .7944 .0798 .8903 1.28 O5 .5967 .25 .7028 1.21 O6 .6436 .25 .0433 1.82 Oh .0487 .25 .1148 .77 OW1 .3731 .25 .3548 5.12 OW2 .6498 .4765 .3773 4.10 OW3 .3549 .25 .9039 3.40