American Mineralogist Crystal Structure Database

10 matching records for this search.

Ca.721Nd.494Zr.772Ti1.997O7
 
Coelho A A, Cheary R W, Smith K L
 
Journal of Solid State Chemistry 129 (1997) 346-359
Analysis and structural determination of Nd-substituted zirconolite-4M
Locality: synthetic
_database_code_amcsd 0013921
12.522 7.222 22.987 90 84.791 90 C2/c
atom      x      y      z occ
CaP1      0  .1246    .25 .41
NdP1      0  .1246    .25 .09
CaP2  .7529  .8734  .2508 .69
NdP2  .7529  .8734  .2508 .30
ZrP       0  .6287    .25 .26
TiP       0  .6287    .25 .24
NdZ   .8751  .3777  .4931 .61
CaZ   .8751  .3777  .4931 .38
Zr    .8738  .8765  .4989 .92
Ti    .8738  .8765  .4989 .08
Ti11  .0640  .8842  .3786 .82
Zr11  .0640  .8842  .3786 .18
Ti12  .7838  .1359  .3797 .40
Zr12  .7838  .1359  .3797 .10
Ti11a .4390  .1158  .6286 .82
Zr11a .4390  .1158  .6286 .18
Ti12a .1588  .8641  .6297 .40
Zr12a .1588  .8641  .6297 .10
Ti3   .8032  .6244  .3764
O11   .0083  .1210  .3625
O12   .8040  .1126  .4539
O13   .0619  .9067  .4596
O14   .9059  .4240  .3934
O15   .0639  .8350  .2901
O16   .7592  .6164  .4587
O17   .9095  .8180  .3890
O11a  .3833  .8790  .6125
O12a  .1790  .8874  .7039
O13a  .4369  .0933  .7096
O14a  .2809  .5760  .6434
O15a  .4389  .1650  .5401
O16a  .1342  .3836  .7087
O17a  .2845  .1820  .6390
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Ca2Ta2O7
 
Grey I E, Mumme W G, Ness T J, Roth R S, Smith K L
 
Journal of Solid State Chemistry 174 (2003) 285-295
Structural relations between weberite and zirconolite polytypes - refinements
of doped 3T and 4M Ca2Ta2O7 and 3T CaZrTi2O7
Sample: T = 123 K, 3T weberite-type structure
_database_code_amcsd 0014035
7.356 7.356 18.116 90 90 120 P3_121
atom      x      y      z  occ  Uiso
CaM1  .8412      0    1/3 .970 .0080
NdM1  .8412      0    1/3 .030 .0080
TaM2 .31000      0    1/3      .0052
CaM3  .1594  .6475  .0038 .968 .0111
NdM3  .1594  .6475  .0038 .032 .0111
TaM4 .32910      0    5/6  .92 .0049
ZrM4 .32910      0    5/6  .06 .0049
NdM4 .32910      0    5/6  .02 .0049
CaM5  .8333      0    5/6      .0115
TaM6  .5019 .33232 .16285  .93 .0042
ZrM6  .5019 .33232 .16285  .05 .0042
NdM6  .5019 .33232 .16285  .02 .0042
O1     .557   .606  .1994       .015
O2     .957   .802  .0484       .012
O3     .547   .406  .0574       .011
O4     .201   .223  .1488       .016
O5     .542   .789  .0646       .014
O6     .963   .312  .0572       .010
O7     .198   .634  .1519       .013
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Ca2Ta2O7
 
Grey I E, Mumme W G, Ness T J, Roth R S, Smith K L
 
Journal of Solid State Chemistry 174 (2003) 285-295
Structural relations between weberite and zirconolite polytypes - refinements
of doped 3T and 4M Ca2Ta2O7 and 3T CaZrTi2O7
Sample: T = 295 K, 4M weberite-type structure
_database_code_amcsd 0014036
12.761 7.358 24.565 90 100.17 90 C2
atom       x     y      z  occ  Uiso
Ca1        0     0      0      .0027
Ta1        0  .483      0      .0023
Ca11   .2565  .267  .0067 .958  .006
NdCa11 .2565  .267  .0067 .042  .006
Ta2    .1261  .753 .12174 .946 .0038
ZrTa2  .1261  .753 .12174 .054 .0038
Ca2    .1293  .269  .1287       .021
Ta21   .3776  .007 .12772 .974 .0050
ZrTa21 .3776  .007 .12772 .026 .0050
Ta22   .3801  .510 .12553 .976 .0048
ZrTa22 .3801  .510 .12553 .024 .0048
Ca3    .2585 .5071  .2472 .918  .006
NdCa3  .2585 .5071  .2472 .082  .006
Ta3    .2395  .017 .24980      .0064
Ca31   .0097  .255  .2549      .0021
Ca32   .0084  .745  .2504       .015
Ta4    .1283  .505 .37414 .958 .0046
ZrTa4  .1283  .505 .37414 .042 .0046
Ca4    .1278  .005  .3801 .876 .0086
NdCa4  .1278  .005  .3801 .124 .0086
Ta41   .3790  .256 .37435      .0044
Ta42   .3770  .754 .37134 .851 .0044
ZrTa42 .3770  .754 .37134 .149 .0044
Ca5        0  .512     .5       .024
Ta5        0  .011     .5      .0034
Ca51   .2483  .258  .4985 .924  .008
NdCa51 .2483  .258  .4985 .076  .008
O1      .640  .996  .4566       .013
O2      .415  .484  .2068       .008
O3      .392  .010  .0481       .010
O4      .137  .008  .4681       .011
O5      .366  .016  .2062       .009
O6      .125  .996  .2898       .012
O7      .736  .798  .3877       .018
O8      .171  .235  .2136       .013
O9      .332  .196  .2967       .011
O10     .086  .696  .0437       .018
O11     .431  .304  .4545       .008
O12     .590  .801  .0371       .006
O13     .526  .801  .3588       .013
O14     .855  .501  .3977       .016
O15     .731  .427  .1022       .017
O16     .823  .757  .1146       .013
O17     .827  .307  .2915       .008
O18     .731  .058  .1369       .008
O19     .934  .258  .1374       .012
O20     .734  .206  .3879       .013
O21     .435  .705  .4510       .019
O22     .898  .002  .3497       .016
O23     .672  .321  .2024       .008
O24     .121  .504  .2931       .010
O25     .838  .033  .0437       .015
O26     .525  .095  .1491       .012
O27     .525  .207  .3628       .013
O28     .524  .458  .1111       .013
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Zirconolite
Download hom/zirconolite.pdf
Grey I E, Mumme W G, Ness T J, Roth R S, Smith K L
 
Journal of Solid State Chemistry 174 (2003) 285-295
Structural relations between weberite and zirconolite polytypes - refinements
of doped 3T and 4M Ca2Ta2O7 and 3T CaZrTi2O7
Locality: synthetic
Sample: T = 123 K
Note: polytype Zirconolite-3T
_database_code_amcsd 0014037
7.228 7.228 16.805 90 90 120 P3_121
atom      x     y      z  occ  Uiso
CaM1  .8325     0    1/3 .840 .0071
ThM1  .8325     0    1/3 .040 .0071
ZrM1  .8325     0    1/3  .12 .0071
CaM2  .3342     0    1/3 .618 .0096
ThM2  .3342     0    1/3 .262 .0096
ZrM2  .3342     0    1/3  .12 .0096
ZrM3  .1647 .6633 .01782  .96 .0071
CaM3  .1647 .6633 .01782  .04 .0071
TiM4  .3291     0    5/6  .44 .0063
AlM4  .3291     0    5/6  .44 .0063
ZrM4  .3291     0    5/6  .12 .0063
TiM5  .9217  .050  .8319  .26  .016
ZrM5  .9217  .050  .8319  .06  .016
AlM5'  .917  .110   .833  .18  .016
TiM6  .4995 .3323 .16426  .82 .0085
AlM6  .4995 .3323 .16426  .08 .0085
ZrM6  .4995 .3323 .16426  .10 .0085
O1     .600  .629  .1450       .019
O2     .007  .828  .0669       .012
O3     .526  .305  .0469       .007
O4     .192  .218  .1458       .012
O5     .525  .889  .0546       .009
O6     .939  .309  .0548       .008
O7     .211  .616  .1395       .015
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Ca3Zr2FeAlSiO12
 
Whittle K R, Lumpkin G R, Berry F J, Oates G, Smith K L, Yudintsev S, Zaluzec N J
 
Journal of Solid State Chemistry 180 (2007) 785-791
The structure and ordering of zirconium and hafnium containing garnets studied by electron channelling,
neutron diffraction and Mossbauer spectroscopy
Locality: synthetic
_database_code_amcsd 0014050
12.5122 12.5122 12.5122 90 90 90 Ia3d
atom       x      y      z occ  Uiso
Ca      .125      0    .25     .0070
Zr         0      0      0     .0052
Al      .375      0    .25 .35 .0107
Fe      .375      0    .25 .31 .0107
Si      .375      0    .25 .31 .0107
O    -.03445 .05101 .15499     .0103
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Ca3Zr2Fe1.5Al0.5SiO12
 
Whittle K R, Lumpkin G R, Berry F J, Oates G, Smith K L, Yudintsev S, Zaluzec N J
 
Journal of Solid State Chemistry 180 (2007) 785-791
The structure and ordering of zirconium and hafnium containing garnets studied by electron channelling,
neutron diffraction and Mossbauer spectroscopy
Locality: synthetic
_database_code_amcsd 0014051
12.5844 12.5844 12.5844 90 90 90 Ia3d
atom       x      y      z occ  Uiso
Ca      .125      0    .25     .0063
Zr         0      0      0     .0058
Al      .375      0    .25 .16 .0051
Fe      .375      0    .25 .48 .0051
Si      .375      0    .25 .27 .0051
O    -.03362 .05142 .15450     .0104
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Kerimasite
 
Whittle K R, Lumpkin G R, Berry F J, Oates G, Smith K L, Yudintsev S, Zaluzec N J
 
Journal of Solid State Chemistry 180 (2007) 785-791
The structure and ordering of zirconium and hafnium containing garnets studied
by electron channelling, neutron diffraction and Mossbauer spectroscopy
Locality: synthetic
_database_code_amcsd 0014052
12.6164 12.6164 12.6164 90 90 90 Ia3d
atom       x      y      z occ  Uiso
Ca      .125      0    .25     .0083
Zr         0      0      0     .0063
Fe      .375      0    .25 .65 .0057
Si      .375      0    .25 .31 .0057
O    -.03318 .05152 .15365     .0127
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Ca3Hf2FeAlSiO12
 
Whittle K R, Lumpkin G R, Berry F J, Oates G, Smith K L, Yudintsev S, Zaluzec N J
 
Journal of Solid State Chemistry 180 (2007) 785-791
The structure and ordering of zirconium and hafnium containing garnets studied by electron channelling,
neutron diffraction and Mossbauer spectroscopy
Locality: synthetic
_database_code_amcsd 0014053
12.5145 12.5145 12.5145 90 90 90 Ia3d
atom       x      y      z occ  Uiso
Ca      .125      0    .25     .0096
Hf         0      0      0     .0045
Al      .375      0    .25 .41 .0056
Fe      .375      0    .25 .33 .0056
Si      .375      0    .25 .33 .0056
O    -.03452 .05045 .15437     .0115
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Ca3Hf2Fe2SiO12
 
Whittle K R, Lumpkin G R, Berry F J, Oates G, Smith K L, Yudintsev S, Zaluzec N J
 
Journal of Solid State Chemistry 180 (2007) 785-791
The structure and ordering of zirconium and hafnium containing garnets studied by electron channelling,
neutron diffraction and Mossbauer spectroscopy
Locality: synthetic
_database_code_amcsd 0014054
12.5898 12.5898 12.5898 90 90 90 Ia3d
atom       x      y      z occ  Uiso
Ca      .125      0    .25     .0085
Hf         0      0      0     .0042
Fe      .375      0    .25 .72 .0063
Si      .375      0    .25 .33 .0063
O    -.03312 .05113 .15357     .0133
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Kerimasite
 
Whittle K R, Lumpkin G R, Berry F J, Oates G, Smith K L, Yudintsev S, Zaluzec N J
 
Journal of Solid State Chemistry 180 (2007) 785-791
The structure and ordering of zirconium and hafnium containing garnets studied by
electron channelling, neutron diffraction and Mossbauer spectroscopy
Locality: synthetic
_database_code_amcsd 0014052
12.6164 12.6164 12.6164 90 90 90 Ia3d
atom       x      y      z occ  Uiso
Ca      .125      0    .25     .0083
Zr         0      0      0     .0063
Fe      .375      0    .25 .65 .0057
Si      .375      0    .25 .31 .0057
O    -.03318 .05152 .15365     .0127
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Total number of retrieved datasets: 10
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