KFe3(AsO4)2(HAsO4)2 Schwendtner K, Kolitsch U European Journal of Mineralogy 19 (2007) 399-409 Two new structure types: KFe3(AsO4)2(HAsO4)2 and K(H2O)M3+(H1.5AsO4)2(H2AsO4) (M3+ = Fe, Ga, In) - synthesis, crystal structure and spectroscopy _database_code_amcsd 0007220 18.975 6.5850 10.955 90 100.42 90 C2/c atom x y z Uiso K 0 .16102 .25 .0228 Fe1 .25 .75 .50 .00839 Fe2 .14899 .48042 .22501 .00839 As1 .077667 .66239 .44770 .00828 As2 .302535 .48144 .27033 .00790 O1 .07989 .4942 .3347 .0147 O2 .14863 .8167 .4652 .0110 O3 .07116 .5440 .5802 .0133 O4 .00658 .8266 .4090 .0146 O5 .35359 .6794 .2527 .0122 O6 .35353 .2790 .3129 .0124 O7 .24002 .5260 .3637 .0098 O8 .23771 .4425 .1395 .0099 H -.0364 .772 .405 .05