Dingdaohengite-(Ce) Li G, Yang G, Ma Z, Shi N, Xiong M, Sheng G, Fan H Kuangwu Xuebao 25 (2005) 313-320 The crystal structure of a new mineral dingdaohengite-(Ce) Locality: Bayun Obo, Inner Mongolia, China _database_code_amcsd 0014198 13.4656 5.7356 11.0977 90 100.636 90 P2_1/a atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) CeA1 .43027 .51328 .76028 .525 .014 .028 .015 .000 .003 .001 LaA1 .43027 .51328 .76028 .365 .014 .028 .015 .000 .003 .001 CaA1 .43027 .51328 .76028 .110 .014 .028 .015 .000 .003 .001 CeA2 .14386 .49202 .76557 .525 .018 .016 .017 .000 .003 -.001 LaA2 .14386 .49202 .76557 .365 .018 .016 .017 .000 .003 -.001 CaA2 .14386 .49202 .76557 .110 .018 .016 .017 .000 .003 -.001 FeB 0 .5 .5 .017 .013 .014 0 0 0 TiC1 .25198 .25110 .50003 .44 .015 .012 .013 .000 .002 .000 Fe2+C1 .25198 .25110 .50003 .23 .015 .012 .013 .000 .002 .000 MgC1 .25198 .25110 .50003 .20 .015 .012 .013 .000 .002 .000 Fe3+C1 .25198 .25110 .50003 .13 .015 .012 .013 .000 .002 .000 TiC2A .5 .5 .5 .99 .015 .014 .014 0 .004 0 NbC2A .5 .5 .5 .01 .015 .014 .014 0 .004 0 TiC2B .5 0 0 .97 .025 .015 .012 0 .003 0 NbC2B .5 0 0 .03 .025 .015 .012 0 .003 0 Si1 .29919 .0006 .76859 .016 .010 .014 .001 .003 .001 Si2 .35776 .4998 .04651 .017 .014 .012 .000 .003 .000 O1 .5219 .2567 .6267 .016 .021 .018 .003 .005 .003 O2 .5228 .7466 .6265 .016 .021 .020 .004 .006 .002 O3 .4212 .2644 .0943 .027 .023 .024 .007 .002 .003 O4 .4307 .7208 .0934 .030 .027 .021 .011 .001 .003 O5 .2753 .2357 .6850 .027 .012 .014 .001 .004 .000 O6 .2686 .7674 .6857 .026 .013 .015 .000 .003 .001 O7 .3543 .5036 .5226 .017 .014 .017 .000 .005 .001 O8 .3137 .5035 .9033 .025 .017 .016 .000 .003 .001 O9 .1521 .4985 .5108 .017 .013 .020 .002 .004 .000 O10 .2296 .0184 .8713 .039 .051 .026 -.005 .019 .003 O11 .4152 -.0178 .8280 .019 .051 .023 .000 .001 .001