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Birnessite |
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Post J E, Veblen D R |
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American Mineralogist 75 (1990) 477-489 |
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Crystal structure determinations of synthetic sodium, magnesium and potassium |
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birnessite using TEM and the Rietveld method |
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sample is Na-birn |
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_database_code_amcsd 0001300 |
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5.174 2.850 7.336 90 103.18 90 C2/m |
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atom x y z occ Biso |
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Mn 0 0 0 0.5 |
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O1 .376 0 .133 1.0 |
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Na .595 0 .500 .145 1.5 |
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Wat2 .595 0 .500 .30 1.5 |
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Wat3 0 0 .5 .15 1.5 |
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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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Birnessite |
 |
Post J E, Veblen D R |
 |
American Mineralogist 75 (1990) 477-489 |
|
Crystal structure determinations of synthetic sodium, magnesium and potassium |
|
birnessite using TEM and the Rietveld method |
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Sample: Mg-birn |
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_database_code_amcsd 0001301 |
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5.050 2.846 7.054 90 96.63 90 C2/m |
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atom x y z occ Biso |
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Mn 0 0 0 0.5 |
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O1 .356 0 .141 1.0 |
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Mg .023 0 .282 .072 0.5 |
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Wat2 .703 0 .506 .425 1.5 |
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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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Birnessite |
 |
Post J E, Veblen D R |
 |
American Mineralogist 75 (1990) 477-489 |
|
Crystal structure determinations of synthetic sodium, magnesium and potassium |
|
birnessite using TEM and the Rietveld method |
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Sample: K-birn |
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_database_code_amcsd 0001302 |
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5.149 2.843 7.176 90 100.76 90 C2/m |
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atom x y z occ Biso |
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Mn 0 0 0 0.5 |
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O1 .365 0 .136 1.0 |
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K .723 0 .522 .115 1.5 |
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Wat2 .723 0 .522 .275 1.5 |
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Wat3 0 0 .5 .15 1.5 |
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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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Birnessite |
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Lanson B, Drits V A, Feng Q, Manceau A |
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American Mineralogist 87 (2002) 1662-1671 |
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Structure of synthetic Na-rich birnessite: Evidence for a triclinic |
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one-layer unit cell |
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_database_code_amcsd 0002932 |
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2.9513 2.9547 7.334 78.72 101.79 122.33 P-1 |
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atom x y z occ Biso |
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Mn-layer 0 0 0 .5 .5 |
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O-layer .3886 -.3733 .1396 1.0 |
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Na-Int .628 .476 .481 .182 2.0 |
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Wat-Int .290 -.819 .496 .272 2.0 |
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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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Birnessite |
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Lopano C L, Heaney P J, Post J E, Hanson J, Komarneni S |
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American Mineralogist 92 (2007) 380-387 |
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Time-resolved structural analysis of K-and Ba-exchange reactions with synthetic |
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Na-birnessite using synchrotron X-ray diffraction |
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Locality: synthetic |
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Sample: Na-birnessite |
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_database_code_amcsd 0004276 |
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5.1780 2.8509 7.3344 89.45 103.18 89.91 C-1 |
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atom x y z occ Uiso |
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Na -.0270 .3154 .4885 .145 .0726 |
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Mn 0 0 0 .0045 |
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O .3686 -.0241 .1307 .0138 |
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Wat -.0270 .3154 .4885 .3453 .0726 |
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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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Birnessite |
 |
Lopano C L, Heaney P J, Post J E, Hanson J, Komarneni S |
 |
American Mineralogist 92 (2007) 380-387 |
|
Time-resolved structural analysis of K-and Ba-exchange reactions with synthetic |
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Na-birnessite using synchrotron X-ray diffraction |
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Locality: synthetic |
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Sample: K-birnessite |
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_database_code_amcsd 0004277 |
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5.1371 2.8476 7.2131 89.96 100.75 89.702 C-1 |
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atom x y z occ Uiso |
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K -.1835 .6099 .4931 .115 .0673 |
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Mn 0 0 0 .0058 |
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O .3717 .0331 .1348 .0318 |
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Wat -.1835 .6099 .4931 .388 .0673 |
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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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Birnessite |
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Lopano C L, Heaney P J, Post J E |
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American Mineralogist 94 (2009) 816-826 |
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Cs-exchange in birnessite: Reaction mechanisms inferred from time-resolved |
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X-ray diffraction and transmission electron microscopy |
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Note: Solution concentration 0.001 M |
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Note: Occupancies of the Oint sites are undetermined, O is used only as a scatterer |
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_database_code_amcsd 0004947 |
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5.1342 2.8469 7.4815 90.310 101.559 89.944 C-1 |
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atom x y z occ Uiso |
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Mn 0 0 0 .0303 |
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O1 .3811 .00877 .1342 .0336 |
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Oint .2828 -.0835 .4996 .506 .0434 |
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Oint2 .4018 .3698 .5079 .521 .0107 |
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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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Birnessite |
 |
Lopano C L, Heaney P J, Post J E |
 |
American Mineralogist 94 (2009) 816-826 |
|
Cs-exchange in birnessite: Reaction mechanisms inferred from time-resolved |
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X-ray diffraction and transmission electron microscopy |
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Note: Solution concentration 0.01 M |
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Note: Occupancies of the Oint sites are undetermined, O is used only as a scatterer |
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_database_code_amcsd 0004948 |
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5.1298 2.8445 7.5029 90.12 101.395 89.958 C-1 |
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atom x y z occ Uiso |
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Mn 0 0 0 .0226 |
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O1 .3781 .0045 .1348 .0286 |
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Oint .2613 -.1038 .4984 .527 .0155 |
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Oint2 .4097 .3794 .5078 .559 .0032 |
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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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Birnessite |
 |
Lopano C L, Heaney P J, Post J E |
 |
American Mineralogist 94 (2009) 816-826 |
|
Cs-exchange in birnessite: Reaction mechanisms inferred from time-resolved |
|
X-ray diffraction and transmission electron microscopy |
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Note: Solution concentration 0.05 M |
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Note: Occupancies of the Oint sites are undetermined, O is used only as a scatterer |
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_database_code_amcsd 0004949 |
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5.1349 2.8465 7.5135 89.94 101.561 89.997 C-1 |
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atom x y z occ Uiso |
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Mn 0 0 0 .0296 |
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O1 .3710 -.0205 .1254 .0355 |
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Oint .2221 -.4317 .5177 .399 .0102 |
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Oint2 .3980 .3515 .5061 .707 .0129 |
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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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