Cuprorivaite Chakoumakos B C, Fernandez-Baca J A, Boatner L A Journal of Solid State Chemistry 103 (1993) 105-113 Refinement of the structures of the layer silicates MCuSi4O10 (M=Ca,Sr,Ba) by Rietveld analysis of neutron powder diffraction data Note: gillespite structure Locality: synthetic _database_code_amcsd 0013768 7.3017 7.3017 15.1303 90 90 90 *P4/ncc .25 -.25 0 atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Ca .25 .75 0 .009 .003 .003 .023 0 0 0 Cu .25 .25 .0819 .005 .0055 .0055 .006 0 0 0 Si .5036 .9267 .1475 .005 .004 .005 .006 -.0002 -.001 .0002 O1 .4608 .9608 .25 .019 .028 .028 .001 -.004 .0044 -.0044 O2 .7076 .0025 .1268 .010 .0002 .0127 .017 -.0019 .0016 .0043 O3 .3533 .0068 .0821 .009 .0059 .0058 .015 .0031 -.0040 .000