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Magnetoplumbite |
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Moore P B, Sen Gupta P K, Le Page Y |
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American Mineralogist 74 (1989) 1186-1194 |
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Magnetoplumbite, PbFe12O19: Refinement and lone-pair splitting |
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Note: Symmetry constraints on U(i,j) for Fe5, O4 and O5 were incorrect, |
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and likely were refined wrong. |
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They have been replaced with their isotropic equivalents. |
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_database_code_amcsd 0001279 |
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5.873 5.873 23.007 90 90 120 P6_3/mmc |
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atom x y z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Pb .720 .384 .25 .167 0.0218 0.0115 0.0229 0.0068 0 0 |
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Fe1 0 0 0 0.0070 0.0070 0.0045 0.0035 0 0 |
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Fe2 0 0 .2559 .5 0.0104 0.0104 0.0026 0.0052 0 0 |
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Fe3 1/3 2/3 .02733 0.0060 0.0060 0.0038 0.0030 0 0 |
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Fe4 1/3 2/3 .19019 0.0076 0.0076 0.0043 0.0038 0 0 |
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Fe5 .1687 -.1687 -.10881 .47 |
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O1 0 0 .1511 0.0113 0.0113 0.0015 .00565 0 0 |
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O2 1/3 2/3 -.0546 0.0056 0.0056 0.0052 0.0028 0 0 |
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O3 .1839 -.1839 .25 1.01 |
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O4 .1565 -.1565 .0524 .47 |
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O5 .5035 -.5035 .1499 .51 |
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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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Magnetoplumbite |
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Bermanec V, Holtstam D, Sturman D, Criddle A J, Back M E, Scavnicar S |
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The Canadian Mineralogist 34 (1996) 1287-1297 |
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Nezilovite, a new member of the magnetoplumbite group, and the crystal |
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chemistry of mognetoplumbite and hibonite |
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_database_code_amcsd 0005519 |
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5.902 5.902 23.185 90 90 120 P6_3/mmc |
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atom x y z occ Biso |
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Pb 2/3 1/3 .25 .98 7.4 |
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Ba 2/3 1/3 .25 .02 7.4 |
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FeM1 0 0 0 .75 .3 |
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MgM1 0 0 0 .25 .3 |
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FeM2 0 0 .2587 .5 .6 |
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MnM3 1/3 2/3 .0262 .45 .7 |
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FeM3 1/3 2/3 .0262 .55 .7 |
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SbM4 2/3 1/3 -.1895 .29 .6 |
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FeM4 2/3 1/3 -.1895 .71 .6 |
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MnM5 .16675 .3335 -.1076 .15 .6 |
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FeM5 .16675 .3335 -.1076 .85 .6 |
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O1 0 0 .1523 1.6 |
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O2 1/3 2/3 -.0585 .8 |
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O3 .375 .1875 .75 .9 |
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O4 .1505 .301 .0532 .7 |
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O5 .503 -.503 .3490 .9 |
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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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Magnetoplumbite |
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Adelskold V |
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Arkiv for Kemi, Mineralogi och Geologi 12A (1938) 1-9 |
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X-ray studies on magneto-plumbite PbO.6Fe2O3 and other substances |
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resembling "beta-alumina", Na2O.11Al2O3 |
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Locality: synthetic |
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_database_code_amcsd 0017979 |
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5.877 5.877 23.02 90 90 120 P6_3/mmc |
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atom x y z |
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Pb1 1/3 2/3 .75 |
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Fe1 0 0 0 |
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Fe2 0 0 .25 |
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Fe3 1/3 2/3 .0278 |
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Fe4 1/3 2/3 .1889 |
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Fe5 1/6 .3334 .1083 |
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O1 0 0 .15 |
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O2 1/3 2/3 -.05 |
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O3 .186 .372 .25 |
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O4 1/6 .3334 .05 |
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O5 .5 0 .15 |
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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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