Svenekite Ferraris G, Jones D W, Yerkess J Acta Crystallographica B28 (1972) 2430-2437 A neutron diffraction study of the crystal structure of calcium bis(dihydrogen arsenate), Ca(H2AsO4)2 Locality: synthetic _database_code_amcsd 0018340 8.558 7.697 5.721 92.35 109.52 109.59 P-1 atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) As1 .34157 .23990 -.01476 .00298 .00406 .00744 .00079 .00207 .00131 As2 .18712 .76648 .33085 .00325 .00387 .00779 .00121 .00182 .00046 Ca1 .0815 .1866 .3125 .00592 .00558 .00992 .00196 .00307 .00145 O1 .1741 .0617 .0032 .00449 .00480 .01036 .00046 .00289 .00112 O2 .3785 .4014 .2368 .00614 .00666 .01152 .00084 .00364 -.00098 O3 .5417 .2082 .0734 .00472 .00886 .01355 .00303 .00257 .00210 O4 .3109 .3252 -.2793 .00587 .00534 .00886 .00074 .00201 .00204 O5 .0454 .6701 .0306 .00743 .00367 .01027 .00168 .00037 .00065 O6 .1255 .9065 .4759 .00605 .00539 .01143 .00271 .00420 .00105 O7 .1701 .5672 .4665 .00690 .00602 .01214 .00261 .00245 .00322 O8 .3971 .8595 .3405 .00414 .00803 .01462 .00121 .00402 -.00039 H1 .5672 .1760 -.0775 .00730 .01372 .02507 .00434 .00565 .00079 H2 .4895 .5151 .2763 .00890 .00769 .02179 -.00032 .00295 -.00184 H3 .2593 .5993 .6362 .01287 .01886 .01860 .00705 .00144 .00672 H4 0 .5 0 .01011 .01470 .01639 .00453 .00251 .00336 H5 .5 0 .5 .01175 .01646 .02835 .00784 .00992 .00876