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Donpeacorite |
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Petersen E U, Anovitz L M, Essene E J |
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American Mineralogist 69 (1984) 472-480 |
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Donpeacorite, (Mn,Mg)MgSi2O6, a new orthopyroxene and its proposed phase |
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relations in the system MnSiO3-MgSiO3-FeSiO3 |
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_database_code_amcsd 0000937 |
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18.384 8.878 5.226 90 90 90 Pbca |
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atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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Mg1 .3751 .6543 .8721 .00051 0.0025 0.0055 0.00001 -.00010 -.0003 |
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Mg2 .3776 .4801 .3684 .47 .00066 0.0034 0.0063 -.00011 -.00015 -.0003 |
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Mn2 .3776 .4801 .3684 .53 .00066 0.0034 0.0063 -.00011 -.00015 -.0003 |
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SiA .2712 .3413 .0484 .00056 0.0022 0.0052 -.00007 -.00016 0.0003 |
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SiB .4749 .3382 .7949 .00045 0.0022 0.0060 -.00010 -.00013 0.0002 |
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O1A .1833 .3379 .0407 .00068 0.0030 0.0061 0.00003 0.00020 -.0008 |
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O2A .3099 .5022 .0467 .00048 0.0028 0.0087 0.00010 0.00010 -.0001 |
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O3A .3017 .2292 .8222 .00072 0.0041 0.0071 0.00004 -.00040 -.0003 |
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O1B .5632 .3402 .7981 .00058 0.0036 0.0041 0.00005 -.00020 0.0003 |
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O2B .4349 .4872 .7028 .00080 0.0033 0.0119 0.00020 0.00010 0.0015 |
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O2B .4475 .2050 .5902 .00064 0.0043 0.0082 -.00020 -.00007 -.0021 |
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| Download AMC data (View Text File)
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Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
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Donpeacorite |
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Stimpfl M |
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American Mineralogist 90 (2005) 155-161 |
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The Mn, Mg-intracrystalline exchange reaction in donpeacorite (Mn0.54Ca0.03Mg1.43Si2O6) |
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and its relation to the fractionation behavior of Mn in Fe, Mg-orthopyroxene |
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Sample: untreated |
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_database_code_amcsd 0003667 |
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18.3668 8.8725 5.2289 90 90 90 Pbca |
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atom x y z occ Biso |
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Mg1 .37530 .65408 .87230 .9882 .5218 |
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Mn1 .37530 .65408 .87230 .0103 .5218 |
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Ti1 .37530 .65408 .87230 .0015 .5218 |
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Mg2 .37762 .47989 .36852 .4443 .7519 |
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Mn2 .37762 .47989 .36852 .5312 .7519 |
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Ca2 .37762 .47989 .36852 .0245 .7519 |
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SiA .27102 .34120 .04763 .4224 |
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SiB .47494 .33794 .79557 .9969 .4331 |
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AlB .47494 .33794 .79557 .0031 .4331 |
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O1A .18322 .33835 .04092 .4471 |
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O2A .30974 .50196 .04548 .6249 |
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O3A .30222 .22933 .82166 .7016 |
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O1B .56305 .33850 .79752 .5493 |
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O2B .43529 .48760 .70173 .7595 |
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O3B .44758 .20399 .59139 .7016 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
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Donpeacorite |
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Stimpfl M |
|
American Mineralogist 90 (2005) 155-161 |
|
The Mn, Mg-intracrystalline exchange reaction in donpeacorite (Mn0.54Ca0.03Mg1.43Si2O6) |
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and its relation to the fractionation behavior of Mn in Fe, Mg-orthopyroxene |
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Sample: quenched from 980 deg C DIS |
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_database_code_amcsd 0003668 |
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18.3653 8.8819 5.2305 90 90 90 Pbca |
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atom x y z occ Biso |
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Mg1 .37541 .65383 .87209 .9300 .4555 |
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Mn1 .37541 .65383 .87209 .0685 .4555 |
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Ti1 .37541 .65383 .87209 .0015 .4555 |
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Mg2 .37744 .48056 .36819 .5025 .6798 |
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Mn2 .37744 .48056 .36819 .4730 .6798 |
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Ca2 .37744 .48056 .36819 .0245 .6798 |
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SiA .27114 .34110 .04843 .3508 |
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SiB .47477 .33774 .79486 .9969 .3591 |
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AlB .47477 .33774 .79486 .0031 .3591 |
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O1A .18343 .33862 .04032 .4475 |
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O2A .30988 .50158 .04639 .5699 |
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O3A .30235 .22899 .82249 .6058 |
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O1B .56286 .33919 .79654 .5044 |
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O2B .43490 .48658 .69994 .6916 |
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O3B .44776 .20331 .59138 .5936 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
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Donpeacorite |
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Stimpfl M |
|
American Mineralogist 90 (2005) 155-161 |
|
The Mn, Mg-intracrystalline exchange reaction in donpeacorite (Mn0.54Ca0.03Mg1.43Si2O6) |
|
and its relation to the fractionation behavior of Mn in Fe, Mg-orthopyroxene |
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Sample: quenched from 900 deg C DIS |
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_database_code_amcsd 0003669 |
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18.3686 8.8828 5.2287 90 90 90 Pbca |
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atom x y z occ Biso |
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Mg1 .37542 .65387 .87215 .9362 .5294 |
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Mn1 .37542 .65387 .87215 .0623 .5294 |
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Ti1 .37542 .65387 .87215 .0015 .5294 |
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Mg2 .37743 .48061 .36829 .4963 .7595 |
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Mn2 .37743 .48061 .36829 .4792 .7595 |
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Ca2 .37743 .48061 .36829 .0245 .7595 |
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SiA .27114 .34111 .04843 .4242 |
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SiB .47481 .33777 .79492 .9969 .4258 |
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AlB .47481 .33777 .79492 .0031 .4258 |
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O1A .18342 .33867 .04050 .4475 |
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O2A .30982 .50160 .04651 .6283 |
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O3A .30228 .22905 .82286 .6873 |
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O1B .56293 .33911 .79670 .5532 |
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O2B .43493 .48675 .70004 .7622 |
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O3B .44773 .20355 .59141 .7044 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Donpeacorite |
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Stimpfl M |
|
American Mineralogist 90 (2005) 155-161 |
|
The Mn, Mg-intracrystalline exchange reaction in donpeacorite (Mn0.54Ca0.03Mg1.43Si2O6) |
|
and its relation to the fractionation behavior of Mn in Fe, Mg-orthopyroxene |
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Sample: quenched from 904 deg C ORD |
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_database_code_amcsd 0003670 |
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18.3718 8.8836 5.2334 90 90 90 Pbca |
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atom x y z occ Biso |
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Mg1 .37541 .65387 .87216 .9371 .453 |
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Mn1 .37541 .65387 .87216 .0614 .453 |
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Ti1 .37541 .65387 .87216 .0015 .453 |
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Mg2 .37742 .48057 .36833 .4955 .6935 |
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Mn2 .37742 .48057 .36833 .4480 .6935 |
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Ca2 .37742 .48057 .36833 .0245 .6935 |
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SiA .27114 .34107 .04833 .3639 |
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SiB .47480 .33776 .79497 .9969 .3565 |
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AlB .47480 .33776 .79497 .0031 .3565 |
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O1A .18343 .33864 .04059 .4479 |
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O2A .30987 .50165 .04640 .5762 |
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O3A .30231 .22897 .82264 .6158 |
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O1B .56294 .33916 .79617 .5025 |
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O2B .43494 .48667 .70069 .7356 |
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O3B .44781 .20351 .59125 .6256 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
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Donpeacorite |
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Stimpfl M |
|
American Mineralogist 90 (2005) 155-161 |
|
The Mn, Mg-intracrystalline exchange reaction in donpeacorite (Mn0.54Ca0.03Mg1.43Si2O6) |
|
and its relation to the fractionation behavior of Mn in Fe, Mg-orthopyroxene |
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Sample: quenched from 856 deg C ORD |
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_database_code_amcsd 0003671 |
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18.3645 8.8810 5.2284 90 90 90 Pbca |
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atom x y z occ Biso |
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Mg1 .37537 .65390 .87221 .9419 .4741 |
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Mn1 .37537 .65390 .87221 .0566 .4741 |
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Ti1 .37537 .65390 .87221 .0015 .4741 |
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Mg2 .37747 .48048 .36825 .4906 .7159 |
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Mn2 .37747 .48048 .36825 .4849 .7159 |
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Ca2 .37747 .48048 .36825 .0245 .7159 |
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SiA .27113 .34110 .04828 .3798 |
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SiB .47480 .33782 .79504 .9969 .3843 |
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AlB .47480 .33782 .79504 .0031 .3843 |
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O1A .18336 .33845 .04042 .4474 |
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O2A .30983 .50166 .04622 .596 |
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O3A .30223 .22917 .82235 .6328 |
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O1B .56299 .33903 .79668 .5212 |
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O2B .43495 .48674 .70045 .7196 |
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O3B .44769 .20372 .59169 .6291 |
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|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Donpeacorite |
|
Stimpfl M |
|
American Mineralogist 90 (2005) 155-161 |
|
The Mn, Mg-intracrystalline exchange reaction in donpeacorite (Mn0.54Ca0.03Mg1.43Si2O6) |
|
and its relation to the fractionation behavior of Mn in Fe, Mg-orthopyroxene |
|
Sample: quenched from 806 deg C ORD |
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_database_code_amcsd 0003672 |
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18.3559 8.8741 5.2256 90 90 90 Pbca |
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atom x y z occ Biso |
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Mg1 .37537 .65388 .87211 .9458 .4982 |
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Mn1 .37537 .65388 .87211 .0527 .4982 |
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Ti1 .37537 .65388 .87211 .0015 .4982 |
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Mg2 .37748 .48038 .36831 .4867 .7196 |
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Mn2 .37748 .48038 .36831 .4888 .7196 |
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Ca2 .37748 .48038 .36831 .0245 .7196 |
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SiA .27112 .34111 .04829 .3896 |
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SiB .47480 .33782 .79509 .9969 .3921 |
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AlB .47480 .33782 .79509 .0031 .3921 |
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O1A .18333 .33863 .04025 .4468 |
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O2A .30981 .50159 .04607 .6084 |
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O3A .30224 .22911 .82245 .6544 |
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O1B .56299 .33892 .79688 .5149 |
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O2B .43501 .48701 .70056 .7434 |
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O3B .44774 .20373 .59118 .6875 |
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|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
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