American Mineralogist Crystal Structure Database

17 matching records for this search.

Lueshite
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Vousden P
Download http://scripts.iucr.org/cgi-bin/openurl?genre=article&issn=0365-110X&volume=4&spage=545
Acta Crystallographica 4 (1951) 545-551
The structure of ferroelectric sodium niobate at room temperature
Locality: synthetic
Note: this is a possible polymorph of lueshite
_database_code_amcsd 0018662
5.504 5.568 15.52 90 90 90 P222_1
atom     x     y    z
Na1      0  .519  .25
Na2     .5 -.019  .25
Na3   .519     0   .5
Na4  -.019    .5   .5
Nb1   .014  .005 .375
Nb2   .514  .505 .375
O1     .25   .25 .375
O2     .75   .25 .375
O3     .25   .75 .375
O4     .75   .75 .375
O5       0  .025  .25
O6      .5  .475  .25
O7    .025     0   .5
O8    .475    .5   .5
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Lueshite
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Sakowski-Cowley A C, Lukaszewicz K, Megaw H D
Download http://scripts.iucr.org/cgi-bin/openurl?genre=article&issn=0108-7681&volume=25&spage=851
Acta Crystallographica B25 (1969) 851-865
The structure of sodium niobate at room temperature,
and the problem of reliability in pseudosymmetric structures
Locality: synthetic
_database_code_amcsd 0018684
5.566 15.520 5.506 90 90 90 Pbma
atom     x     y     z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Na1    .75     0  .243  .0246  .0018  .0064 -.0005      0      0
Na2   .782   .25  .239  .0086  .0007  .0072      0 -.0026      0
Nb1  .2722 .1262 .2566  .0021  .0004  .0023 -.0003 -.0002 -.0002
O1     .25     0  .304  .0011  .0003  .0089 -.0003      0      0
O2    .233   .25  .191  .0009  .0004  .0064      0  .0012      0
O3    .032  .140  .536  .0008  .0008  .0033  .0004  .0007  .0001
O4    .467  .110  .966  .0093  .0007  .0018  .0008  .0011  .0002
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Lueshite
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Seidel P, Hoffmann W
Download zk/vol143/ZK143_444.pdf
Zeitschrift fur Kristallographie 143 (1976) 444-459
Verfeinerung der kristallstruktur von NaNbO3
N. Bestimmung der absoluten konfiguration und des zwillingsgesetzes
Note T = 84 K
Note: this is a polymorph of lueshite
_database_code_amcsd 0010781
7.8147 7.8147 7.8147 89.17 89.17 89.17 R3c
atom    x    y    z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Na1     0    0    0  .0042  .0042  .0042 -.0003 -.0003 -.0003
Na2    .5   .5    0  .0042  .0042  .0042 -.0003 -.0003 -.0003
Nb1  .258 .258 .258  .0037  .0037  .0037  .0001  .0001  .0001
Nb2  .758 .758 .258  .0037  .0037  .0037  .0001  .0001  .0001
O1   .243 .525 .309   .004   .002   .004  -.001  -.001  -.001
O2   .243 .025 .809   .004   .002   .004  -.001  -.001  -.001
O3   .743 .525 .809   .004   .002   .004  -.001  -.001  -.001
O4   .743 .025 .309   .004   .002   .004  -.001  -.001  -.001
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Lueshite
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Xu H, Su Y, Balmer M L, Navrotsky A
 
Chemistry of Materials 15 (2003) 1872-1878
A new series of oxygen-deficient perovskites in the NaTixNb1-xO3-.05x
system: synthesis, crystal chemistry, and energetics
Note: x = 0.00
Locality: synthetic
_database_code_amcsd 0018687
5.5625 15.5495 5.5138 90 90 90 Pbma
atom     x     y      z  Uiso
Na1    .75     0   .234 .0149
Na2   .743   .25   .240 .0149
Nb1  .2583 .1260  .2462 .0040
O1     .25     0  .3110 .0069
O2   .2402   .25  .1817 .0069
O3   .0679 .1397  .5443 .0069
O4   .4919 .1102 -.0119 .0069
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Lueshite
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Xu H, Su Y, Balmer M L, Navrotsky A
 
Chemistry of Materials 15 (2003) 1872-1878
A new series of oxygen-deficient perovskites in the NaTixNb1-xO3-.05x
system: synthesis, crystal chemistry, and energetics
Note: x = 0.05
Locality: synthetic
_database_code_amcsd 0018688
5.5528 15.5597 5.5140 90 90 90 Pbma
atom     x     y      z   occ  Uiso
Na1    .75     0   .230       .0165
Na2   .742   .25   .248       .0165
Nb1  .2598 .1267  .2415   .95 .0045
Ti1  .2598 .1267  .2415   .05 .0045
O1     .25     0  .2944 .9833 .0069
O2   .2485   .25  .1796       .0069
O3   .0699 .1387  .5433 .9833 .0069
O4   .4948 .1090 -.0176       .0069
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Lueshite
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Xu H, Su Y, Balmer M L, Navrotsky A
 
Chemistry of Materials 15 (2003) 1872-1878
A new series of oxygen-deficient perovskites in the NaTixNb1-xO3-.05x
system: synthesis, crystal chemistry, and energetics
Note: x = 0.1
Locality: synthetic
_database_code_amcsd 0018689
5.5428 15.5632 5.5094 90 90 90 Pbma
atom     x     y      z   occ  Uiso
Na1    .75     0   .244       .0074
Na2   .746   .25   .256       .0074
Nb1  .2612 .1253  .2390    .9 .0047
Ti1  .2612 .1253  .2390    .1 .0047
O1     .25     0  .2752 .9667 .0066
O2   .2533   .25  .1735       .0066
O3   .0612 .1373  .5401 .9667 .0066
O4   .4945 .1065 -.0234       .0066
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Lueshite
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Xu H, Su Y, Balmer M L, Navrotsky A
 
Chemistry of Materials 15 (2003) 1872-1878
A new series of oxygen-deficient perovskites in the NaTixNb1-xO3-.05x
system: synthesis, crystal chemistry, and energetics
Note: x = 0.15
Locality: synthetic
_database_code_amcsd 0018690
5.5396 15.5705 5.5087 90 90 90 Pbma
atom     x     y      z occ  Uiso
Na1    .75     0   .238     .0090
Na2   .744   .25   .254     .0090
Nb1  .2602 .1252  .2377 .85 .0030
Ti1  .2602 .1252  .2377 .15 .0030
O1     .25     0  .2688 .95 .0074
O2   .2518   .25  .1715     .0074
O3   .0570 .1370  .5384 .95 .0074
O4   .4909 .1072 -.0242     .0074
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Lueshite
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Xu H, Su Y, Balmer M L, Navrotsky A
 
Chemistry of Materials 15 (2003) 1872-1878
A new series of oxygen-deficient perovskites in the NaTixNb1-xO3-.05x
system: synthesis, crystal chemistry, and energetics
Note: x = 0.2
Locality: synthetic
_database_code_amcsd 0018691
5.5303 15.5677 5.5072 90 90 90 Pbma
atom     x     y      z   occ  Uiso
Na1    .75     0   .242       .0140
Na2   .745   .25   .256       .0140
Nb1  .2602 .1257  .2394    .8 .0058
Ti1  .2602 .1257  .2394    .2 .0058
O1     .25     0  .2673 .9333 .0087
O2   .2516   .25  .1724       .0087
O3   .0555 .1366  .5390 .9333 .0087
O4   .4890 .1077 -.0254       .0087
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Lueshite
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Hewat A W
 
Ferroelectrics 7 (1974) 83-85
Neutron powder profile refinement of ferroelectric and
antiferroelectric crystal structures: sodium niobate at 22 deg C
Locality: synthetic
_database_code_amcsd 0018686
5.5679 15.5156 5.5029 90 90 90 Pbma
atom     x     y     z  B(1,1)  B(2,2)  B(3,3) B(1,2) B(1,3) B(2,3)
Nb1  .2705 .1231  .247 .003226 .000727 .003302      0      0      0
Na1    .75     0  .257 .008064 .001662 .008256      0      0      0
Na2   .781   .25  .254 .008064 .001662 .008256      0      0      0
O1     .25     0  .304 .009677 .000935 .009907      0      0      0
O2    .232   .25  .180 .009677 .000935 .009907      0      0      0
O3    .025 .1410  .533 .004838 .001246 .004953      0      0      0
O4    .456 .1090 -.036 .004838 .001246 .004953      0      0      0
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Lueshite
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Mishchuk D O, V'yunov O I, Ovchar O V, Belous A G
 
Inorganic Materials 40 (2004) 1324-1330
Structural and dielectric properties of solid solutions of
sodium niobate in lanthanum and neodymium niobates
Locality: synthetic
Note: La2/3-x Na3x Nb2O6 synthesized at 1350 deg C
Note: x = .5, La.17Na1.5Nb2O6
_database_code_amcsd 0018677
5.5189 5.5458 15.6313 90 90 90 Pbcm
atom    x    y     z occ
La1  .268  .25     0 .17
Na1  .268  .25     0  .5
Na2   .25 .225   .25
Nb   .249 .745 .1246
O1    .74  .25     0
O2    .20 .813   .25
O3   .476 .461  .149
O4   .015 .009  .118
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Lueshite
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Mishchuk D O, V'yunov O I, Ovchar O V, Belous A G
 
Inorganic Materials 40 (2004) 1324-1330
Structural and dielectric properties of solid solutions of
sodium niobate in lanthanum and neodymium niobates
Locality: synthetic
Note: La2/3-x Na3x Nb2O6 synthesized at 1350 deg C
Note: x = .58, La.09Na1.74Nb2O6
_database_code_amcsd 0018678
5.5100 5.5563 15.5670 90 90 90 Pbcm
atom    x    y     z occ
La1  .262  .25     0 .09
Na1  .262  .25     0 .74
Na2  .215 .228   .25
Nb   .254 .741 .1248
O1    .71  .25     0
O2    .25  .77   .25
O3   .468 .438  .158
O4   .013 .001  .117
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Lueshite
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Mishchuk D O, V'yunov O I, Ovchar O V, Belous A G
 
Inorganic Materials 40 (2004) 1324-1330
Structural and dielectric properties of solid solutions of
sodium niobate in lanthanum and neodymium niobates
Locality: synthetic
Note: La2/3-x Na3x Nb2O6 synthesized at 1350 deg C
Note: x = .66, Na2Nb2O6
_database_code_amcsd 0018679
5.5007 5.5621 15.5373 90 90 90 Pbcm
atom     x     y     z
Na1   .229   .25     0
Na2   .229  .217   .25
Nb   .2531 .7344 .1251
O1    .678   .25     0
O2    .213  .778   .25
O3    .477  .449  .151
O4    .035  .022  .113
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Lueshite
Download hom/lueshite.pdf
Mishchuk D O, V'yunov O I, Ovchar O V, Belous A G
 
Inorganic Materials 40 (2004) 1324-1330
Structural and dielectric properties of solid solutions of
sodium niobate in lanthanum and neodymium niobates
Locality: synthetic
Note: Nb2/3-x Na3x Nb2O6 synthesized at 1330 deg C
Note: x = .58, Nd.09Na1.74Nb2O6
_database_code_amcsd 0018682
5.5100 5.5563 15.5670 90 90 90 Pbcm
atom    x     y     z occ
Nd1  .251   .25     0 .09
Na1  .251   .25     0 .74
Na2  .226  .222   .25
Nb   .251 .7381 .1248
O1   .673   .25     0
O2   .221  .767   .25
O3   .466  .446  .153
O4   .029  .020  .117
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Lueshite
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Mishchuk D O, V'yunov O I, Ovchar O V, Belous A G
 
Inorganic Materials 40 (2004) 1324-1330
Structural and dielectric properties of solid solutions of
sodium niobate in lanthanum and neodymium niobates
Locality: synthetic
Note: Nb2/3-x Na3x Nb2O6 synthesized at 1330 deg C
Note: x = .62, Nd.05Na1.86Nb2O6
_database_code_amcsd 0018683
5.5018 5.5598 15.5510 90 90 90 Pbcm
atom     x     y     z occ
Nd1   .239   .25     0 .05
Na1   .239   .25     0 .86
Na2   .223  .222   .25
Nb   .2520 .7359 .1243
O1    .679   .25     0
O2    .224  .771   .25
O3    .472  .438 .1557
O4    .032  .017  .115
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Lueshite
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von der Muhll R, Sadel A, Hagenmuller P
 
Journal of Solid State Chemistry 51 (1984) 176-182
Structure cristalline a 295K de la phase ferroelectrique Li0.02Na0.98NbO3
Note: x(O3) corrected to match reported bond lengths
Note: this is a polymorph of lueshite
Locality: synthetic
_database_code_amcsd 0013521
5.494 15.461 5.551 90 90 90 Pc2_1b
atom      x      y      z occ  B(1,1)  B(2,2)  B(3,3)  B(1,2)   B(1,3)  B(2,3)
Li1   .2438  .1204  .7149 .02 .000166 .001339 .001866 .003620  .001885 .002971
Na1   .2438  .1204  .7149 .98 .008117 .001339 .001866 .003620  .001885 .002971
Li2   .2415  .3728  .7732 .02 .000166 .000837 .001947 .001648        0       0
Na2   .2415  .3728  .7732 .98 .008117 .000837 .001947 .001648        0       0
Nb1   .2565      0  .2232     .001988 .000397 .000325 .000206 -.000738       0
Nb2   .2540  .2502  .2292     .003976 .000314 .002840       0  .001967       0
O1     .459  .0054  .5506     .009111 .003660 .000811 .001472        0 .001748
O2    .0327 -.0132 -.0186     .013252 .003347 .006491 .000441  .009017       0
O3   -.0371  .2645  .0358     .001657 .000418 .000811       0        0 .000291
O4    .5364  .2299  .4603     .000828 .000105 .000811       0 -.000164       0
O5    .3124 -.1273  .2738     .006626 .000418 .000811       0        0 .000291
O6    .1871  .1229  .2649     .008283 .000209 .004868       0        0       0
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Lueshite
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Johnston K E, Tang C C, Parker J E, Knight K S, Lightfoot P, Ashbrook S E
 
Journal of the American Chemical Society 132 (2010) 8732-8746
The polar phase of NaNbO3: a combined study by powder diffraction,
solid-state NMR and first-principles calculations
Note: this is a polymorph of lueshite
Locality: synthetic
_database_code_amcsd 0018685
5.571 7.766 5.513 90 90 90 P2_1ma
atom      x     y     z  Uiso
Nb    .2625   .25 .2466 .0020
Na    .2596     0 .7481 .0050
Na    .2915    .5 .7327 .0224
O1    .2409     0 .3124 .0053
O2    .2257    .5 .1928 .0037
O3    .0131 .2790 .5272 .0184
O4   -.0490 .2197 .0360 .0061
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Lueshite
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Barth T
 
Norsk Geologisk Tidsskrift 8 (1925) 201-219
Die Kristallstruktur von Perowskit und verwandter Verbindungen
Note: synthetic
Note: this is a polymorph of lueshite
_cod_database_code 1011064
_database_code_amcsd 0017963
3.906 3.906 3.906 90 90 90 Pm3m
atom  x  y  z
Na1   0  0  0
Nb1  .5 .5 .5
O1   .5 .5  0
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Total number of retrieved datasets: 17
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