Tengchongite Li T, Fan G, Ge X, Wang T, Yu A, Deng L The Canadian Mineralogist 60 (2022) 533-542 Crystal structure of tengchongite with a revised chemical formula Ca(UO2)6(MoO4OH)2O2(OH)4*9H2O Locality: Type sample from Tengchong County, Yunnan Province, China _database_code_amcsd 0021076 13.0866 17.6794 15.6800 90 90 90 C222_1 atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Ca .89259 .11022 .64392 .48 .03487 .03362 .03029 .04070 .00255 .00580 -.00075 Na .89259 .11022 .64392 .02 .03487 .03362 .03029 .04070 .00255 .00580 -.00075 U1 .74960 .27093 .48457 .01991 .01388 .03531 .01053 -.00152 -.00023 -.00047 U2 .77624 .20695 .25350 .01830 .01477 .02956 .01057 .00037 .00067 -.00013 U3 .52535 .17391 .37445 .01862 .01421 .02878 .01288 -.00069 .00018 .00061 Mo .00222 .30274 .39165 .93 .02016 .01225 .03613 .01211 .00089 -.00143 .00100 Si .00222 .30274 .39165 .02 .02016 .01225 .03613 .01211 .00089 -.00143 .00100 P .00222 .30274 .39165 .02 .02016 .01225 .03613 .01211 .00089 -.00143 .00100 O1 .69861 .35453 .43550 .03010 .03406 .03923 .01702 .00813 .00270 .00847 O2 .80355 .19065 .53788 .03272 .03425 .04663 .01726 .00276 -.00400 -.00081 O3 .71618 .29525 .22899 .03114 .03138 .02937 .03267 .00192 -.00380 .00813 O4 .83393 .11850 .27419 .03215 .03472 .03706 .02468 .00865 -.00073 .00235 O5 .49640 .27014 .35178 .02946 .03355 .02811 .02671 .00552 -.00631 .00470 O6 .55000 .07681 .39400 .03284 .03257 .03822 .02771 .00147 .00617 .00737 O7 .92473 .26288 .18914 .03755 .02292 .07203 .01769 -.01861 -.00263 .00843 O8 .87624 .26220 .37114 .02467 .01201 .04597 .01601 -.00839 .00102 -.00044 O9 .00481 .39810 .37052 .04208 .04824 .04294 .03505 -.00896 .00415 .00703 O10 .07936 .27762 .48454 .02616 .01668 .05013 .01167 .00558 -.00169 -.00354 O11 .68968 .20153 .37591 .02376 .01956 .04192 .00979 -.00759 .00374 -.00451 OH12 .40383 .16007 .48681 .02541 .01833 .04258 .01533 .00033 .00529 .00296 OH13 .60638 .14670 .23114 .01760 .01203 .02729 .01348 .00251 -.00041 .00131 OH14 .72014 .32984 .61236 .02513 .02339 .03743 .01458 -.00199 -.00070 .00048 Wat15 .98730 .09965 .51686 .5 .04500 Wat16 .73135 .05053 .61799 .5 .07721 Wat17 .94548 -.02174 .63284 .5 .07345 Wat18 .91419 .08840 .79319 .5 .08914 Wat19 .38301 0 .5 .07301 Wat20 .64181 -.00493 .21278 .08670 Wat21 .67406 .47632 .59598 .12564