LMucko/crystallography-open-database huggingface dataset:
The crystal structure of bartelkeite, with a revised chemical formula, PbFeGeVI(GeIV2O7)(OH)2*H2O, isotypic with high-pressure P21/m lawsonite
Origlieri, M. J.; Yang, H.; Downs, R. T.; Posner, E. S.; Domanik, K. J.; Pinch, W. W.; American Mineralogist 97 (2012) 1812–1815; doi:10.2138/am.2012.4269

data_9015207
_publ_section_title
;
 The crystal structure of bartelkeite, with a revised chemical formula,
 PbFeGeVI(GeIV2O7)(OH)2*H2O, isotypic with high-pressure P21/m lawsonite
;
_journal_name_full               'American Mineralogist'
_journal_page_first              1812
_journal_page_last               1815
_journal_paper_doi               10.2138/am.2012.4269
_journal_volume                  97
_journal_year                    2012
_chemical_compound_source        'Tsumeb, Namibia'
_chemical_formula_sum            'Fe Ge3 H4 O10 Pb'
_chemical_name_mineral           Bartelkeite
_space_group_IT_number           11
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 1'
_cell_angle_alpha                90
_cell_angle_beta                 127.314
_cell_angle_gamma                90
_cell_length_a                   5.8279
_cell_length_b                   13.6150
_cell_length_c                   6.3097
_cell_formula_units_Z            2
_cell_volume                     398.184
_database_code_amcsd             0019471
_exptl_crystal_density_diffrn    5.379
_cod_original_formula_sum        'Pb Fe Ge3 O10 H4'
_cod_database_code               9015207
No evidence for large-scale proton ordering in Antarctic ice from powder neutron diffraction Note: T = 100 K Note: known as ice-IH
Fortes, A. D.; Wood, I. G.; Grigoriev, D.; Alfredsson, M.; Kipfstuhl, S.; Knight, K. S.; Smith, R. I.; Journal of Chemical Physics 120 (2004) 11376–11379; doi:10.1063/1.1765099

data_9015208
_publ_section_title
;
 No evidence for large-scale proton ordering in Antarctic ice from powder neutron diffraction
 Note: T = 100 K
 Note: known as ice-IH
;
_journal_name_full               'Journal of Chemical Physics'
_journal_page_first              11376
_journal_page_last               11379
_journal_paper_doi               10.1063/1.1765099
_journal_volume                  120
_journal_year                    2004
_chemical_compound_source        'Kohen Station, Antarctica'
_chemical_formula_sum            'H2 O'
_chemical_name_mineral           Ice
_space_group_IT_number           194
_symmetry_space_group_name_Hall  '-P 6c 2c'
_symmetry_space_group_name_H-M   'P 63/m m c'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   4.497479
_cell_length_b                   4.497479
_cell_length_c                   7.322382
_cell_formula_units_Z            4
_cell_volume                     128.269
_database_code_amcsd             0018366
_exptl_crystal_density_diffrn    0.933
_cod_original_formula_sum        'O H2'
_cod_database_code               9015208
Un tripolyphosphate acide de fer Fe H2 P3 O10 . H2 O
Averbuch, M. T.; Guitel, J. C.; Acta Crystallographica, Section B 33 (1977) 1613–1615; doi:10.1107/S0567740877006669

data_9015209
_publ_section_title
;
 Un tripolyphosphate acide de fer Fe H2 P3 O10 . H2 O
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica, Section B'
_journal_page_first              1613
_journal_page_last               1615
_journal_paper_doi               10.1107/S0567740877006669
_journal_volume                  33
_journal_year                    1977
_chemical_formula_sum            'Fe O11 P3'
_space_group_IT_number           15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 112.10
_cell_angle_gamma                90
_cell_length_a                   12.076
_cell_length_b                   8.443
_cell_length_c                   9.352
_cell_formula_units_Z            4
_cell_volume                     883.453
_database_code_amcsd             0015961
_exptl_crystal_density_diffrn    2.442
_cod_duplicate_entry             1008013
_cod_original_formula_sum        'Fe P3 O11'
_cod_database_code               9015209
_amcsd_formula_title             'Fe H4 O11 P3'
Two Molybdenum Diphosphates with a Tunnel Structure Involving Mo(III): K Mo P2 O7 and K.17 Mo P2 O7 _cod_database_code 1001406
Leclaire a; Borel, M.; Grandin, A.; Raveau, B.; Journal of Solid State Chemistry 78 (1989) 220–226; doi:10.1016/0022-4596(89)90100-X

data_9015210
_publ_section_title
;
 Two Molybdenum Diphosphates with a Tunnel Structure Involving Mo(III):
 K Mo P2 O7 and K.17 Mo P2 O7
 _cod_database_code 1001406
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              220
_journal_page_last               226
_journal_paper_doi               10.1016/0022-4596(89)90100-X
_journal_volume                  78
_journal_year                    1989
_chemical_formula_sum            'K0.5 Mo2 O14 P4'
_space_group_IT_number           88
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   21.278
_cell_length_b                   21.278
_cell_length_c                   4.9209
_cell_formula_units_Z            8
_cell_volume                     2227.954
_database_code_amcsd             0013635
_exptl_crystal_density_diffrn    3.335
_cod_duplicate_entry             1001406
_cod_original_sg_symbol_H-M      'I 41/a'
_cod_original_formula_sum        'Mo2 K.5 P4 O14'
_cod_database_code               9015210
_amcsd_formula_title             'K0.25 Mo O7 P2'
A single-crystal neutron and X-ray diffraction study of elbaite Note: X-ray data
Diego Gatta, G.; Danisi, R. M.; Adamo, I.; Meven, M.; Diella, V.; Physics and Chemistry of Minerals 39 (2012) 577–588; doi:10.1007/s00269-012-0513-0

data_9015211
_publ_section_title
;
 A single-crystal neutron and X-ray diffraction study of elbaite
 Note: X-ray data
;
_journal_name_full               'Physics and Chemistry of Minerals'
_journal_page_first              577
_journal_page_last               588
_journal_paper_doi               10.1007/s00269-012-0513-0
_journal_volume                  39
_journal_year                    2012
_chemical_compound_source
'pegmatite dikes near Sao Jose da Safira, Minas Gerais, Brazil'
_chemical_formula_sum
'Al7.23 B3 Ca0.06 F0.54 Fe0.42 H3.46 Li1.02 Mg0.06 Mn0.18 Na0.73 O30.46 Si6'
_chemical_name_mineral           Elbaite
_space_group_IT_number           160
_symmetry_space_group_name_Hall  'R 3 -2"'
_symmetry_space_group_name_H-M   'R 3 m :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   15.8560
_cell_length_b                   15.8560
_cell_length_c                   7.1079
_cell_volume                     1547.602
_database_code_amcsd             0019363
_exptl_crystal_density_diffrn    3.084
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_original_formula_sum
'Na.73 Ca.06 Al7.23 Li1.02 Fe.42 Mn.18 Mg.06 B3 Si6 H3.46 F.54 O30.46'
_cod_database_code               9015211
Crystal structures with a chabazite framework. II. Hydrated Ca-chabazite at room temperature
Smith, J. V.; Rinaldi, F.; Dent Glasser, L. S.; Acta Crystallographica 16 (1963) 45–53; doi:10.1107/S0365110X63000074

data_9015212
_publ_section_title
;
 Crystal structures with a chabazite framework.
 II. Hydrated Ca-chabazite at room temperature
;
_journal_name_full               'Acta Crystallographica'
_journal_page_first              45
_journal_page_last               53
_journal_paper_doi               10.1107/S0365110X63000074
_journal_volume                  16
_journal_year                    1963
_chemical_compound_source        Synthetic
_chemical_formula_sum            'Al3.9 Ca1.95 H26 O37 Si8.1'
_chemical_name_mineral           Chabazite-Ca
_space_group_IT_number           166
_symmetry_space_group_name_Hall  '-P 3* 2'
_symmetry_space_group_name_H-M   'R -3 m :R'
_cell_angle_alpha                94.28
_cell_angle_beta                 94.28
_cell_angle_gamma                94.28
_cell_formula_units_Z            1
_cell_length_a                   9.42
_cell_length_b                   9.42
_cell_length_c                   9.42
_cell_volume                     828.533
_database_code_amcsd             0017691
_exptl_crystal_density_diffrn    2.062
_cod_original_cell_volume        828.534
_cod_original_sg_symbol_H-M      'R -3 m'
_cod_original_formula_sum        'Ca1.95 (Al3.9 Si8.1) O37 H26'
_cod_database_code               9015212
Synthesis of Pb-zoisite and Pb-lawsonite
Dorsam, G.; Liebscher, A.; Wunder, B.; Franz, G.; Gottschalk, M.; Neues Jahrbuch fur Mineralogie, Abhandlungen 188 (2011) 99–110; doi:

data_9015213
_publ_section_title
;
 Synthesis of Pb-zoisite and Pb-lawsonite
;
_journal_name_full               'Neues Jahrbuch fur Mineralogie, Abhandlungen'
_journal_page_first              99
_journal_page_last               110
_journal_volume                  188
_journal_year                    2011
_chemical_compound_source        Synthetic
_chemical_formula_sum            'Al2 H4 O10 Pb Si2'
_space_group_IT_number           62
_symmetry_space_group_name_Hall  '-P 2c 2ab'
_symmetry_space_group_name_H-M   'P b n m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.85
_cell_length_b                   9.03
_cell_length_c                   13.31
_cell_volume                     703.107
_database_code_amcsd             0018958
_exptl_crystal_density_diffrn    4.547
_cod_original_formula_sum        'Pb Al2 Si2 O10 H4'
_cod_database_code               9015213
_amcsd_formula_title             PbAl2Si2O7(OH)2*H2O
Compressibility and thermal expansion of hydrous ringwoodite with 2.5(3) wt% H2O Note: T = 736 K
Ye, Y.; Brown, D. A.; Smyth, J. R.; Panero, W. R.; Jacobsen, S. D.; Chang, Y. Y.; Townsend, J. P.; Thomas, S. M.; Hauri, E. H.; Dera, P.; Frost, D. J.; American Mineralogist 97 (2012) 573–582; doi:10.2138/am.2012.4010

data_9015214
_publ_section_title
;
 Compressibility and thermal expansion of hydrous ringwoodite with 2.5(3) wt% H2O
 Note: T = 736 K
;
_journal_name_full               'American Mineralogist'
_journal_page_first              573
_journal_page_last               582
_journal_paper_doi               10.2138/am.2012.4010
_journal_volume                  97
_journal_year                    2012
_chemical_compound_source        Synthetic
_chemical_formula_sum            'Mg1.84 O4 Si0.93'
_chemical_name_mineral           Ringwoodite
_space_group_IT_number           227
_symmetry_space_group_name_Hall  '-F 4vw 2vw 3'
_symmetry_space_group_name_H-M   'F d -3 m :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   8.1430
_cell_length_b                   8.1430
_cell_length_c                   8.1430
_cell_formula_units_Z            8
_cell_volume                     539.950
_database_code_amcsd             0018836
_exptl_crystal_density_diffrn    3.317
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Mg1.84 Si.93 O4'
_cod_database_code               9015214
Lammerite-beta, Cu3(AsO4)2 - a new mineral from fumaroles of the Great Fissure Tolbachic eruption (Kamchatka, Russia)
Starova, G. L.; Vergasova, L. P.; Filatov, S. K.; Britvin S N. Ananyev V V; Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva 140 (2011) 46–51; doi:

data_9015215
_publ_section_title
;
 Lammerite-beta, Cu3(AsO4)2 - a new mineral from fumaroles of the Great
 Fissure Tolbachic eruption (Kamchatka, Russia)
;
_journal_name_full
'Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva'
_journal_page_first              46
_journal_page_last               51
_journal_volume                  140
_journal_year                    2011
_chemical_compound_source
'Second cinder cone, North Branch, Tolbach volcano, Kamchatka, Russia'
_chemical_formula_sum            'As2 Cu3 O8'
_chemical_name_mineral           Lammerite-beta
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 92.26
_cell_angle_gamma                90
_cell_length_a                   6.306
_cell_length_b                   8.643
_cell_length_c                   11.310
_cell_formula_units_Z            4
_cell_volume                     615.947
_database_code_amcsd             0018801
_exptl_crystal_density_diffrn    5.052
_cod_original_formula_sum        'Cu3 As2 O8'
_cod_database_code               9015215
The crystalstructure of cesium-, thallium- and rubidiumperrhenates _cod_database_code 1010065
Jaeger, F.; Beintema, J.; Proceedings of the Koninklijke Nederlandse Academie van Wetenschappen 36 (1933) 523–528; doi:

data_9015216
_publ_section_title
;
 The crystalstructure of cesium-, thallium- and rubidiumperrhenates
 _cod_database_code 1010065
;
_journal_name_full
'Proceedings of the Koninklijke Nederlandse Academie van Wetenschappen'
_journal_page_first              523
_journal_page_last               528
_journal_volume                  36
_journal_year                    1933
_chemical_formula_sum            'Cs Re'
_space_group_IT_number           62
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   5.73
_cell_length_b                   5.98
_cell_length_c                   14.26
_cell_formula_units_Z            4
_cell_volume                     488.625
_database_code_amcsd             0017001
_exptl_crystal_density_diffrn    4.338
_cod_duplicate_entry             1010065
_cod_database_code               9015216
_amcsd_formula_title             'Cs O4 Re'
Superstructure, crystal chemistry, and cation distribution in filipstadite, a Sb5±bearing, spinel-related mineral
Bonazzi, P.; Chelazzi, L.; Bindi, L.; American Mineralogist 98 (2013) 361–366; doi:10.2138/am.2013.4259

data_9015217
_publ_section_title
;
 Superstructure, crystal chemistry, and cation distribution in filipstadite,
 a Sb5+-bearing, spinel-related mineral
;
_journal_name_full               'American Mineralogist'
_journal_page_first              361
_journal_page_last               366
_journal_paper_doi               10.2138/am.2013.4259
_journal_volume                  98
_journal_year                    2013
_chemical_compound_source
'Langban, Filipstad district, Varmland, Sweden'
_chemical_formula_sum            'Fe24.97 Mg35.53 O108 Sb20.496'
_chemical_name_mineral           Filipstadite
_space_group_IT_number           227
_symmetry_space_group_name_Hall  '-F 4vw 2vw 3'
_symmetry_space_group_name_H-M   'F d -3 m :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   25.9300
_cell_length_b                   25.9300
_cell_length_c                   25.9300
_cell_formula_units_Z            8
_cell_volume                     17434.422
_database_code_amcsd             0019779
_exptl_crystal_density_diffrn    4.939
_cod_original_cell_volume        17434.424
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Sb20.496 Mg35.53 Fe24.97 O108'
_cod_database_code               9015217
Kinetics of cation ordering in synthetic Mg(Al,Fe3+)2O4 spinels Note Sample F39, disordered at 1000 C for 24 h, then ordered at 650 C Annealing time = 1533 min
Princivalle, F.; Martignago, F.; Nestola, F.; Dal Negro, A.; European Journal of Mineralogy 24 (2012) 633–643; doi:10.1127/0935-1221/2012/0024-2223

data_9015218
_publ_section_title
;
 Kinetics of cation ordering in synthetic Mg(Al,Fe3+)2O4 spinels
 Note Sample F39, disordered at 1000 C for 24 h, then ordered at 650 C
 Annealing time = 1533 min
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              633
_journal_page_last               643
_journal_paper_doi               10.1127/0935-1221/2012/0024-2223
_journal_volume                  24
_journal_year                    2012
_chemical_formula_sum            'Al1.609 Fe0.389 Mg O4'
_chemical_name_mineral           Spinel
_space_group_IT_number           227
_symmetry_space_group_name_Hall  '-F 4vw 2vw 3'
_symmetry_space_group_name_H-M   'F d -3 m :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   8.1482
_cell_length_b                   8.1482
_cell_length_c                   8.1482
_cell_formula_units_Z            8
_cell_volume                     540.985
_database_code_amcsd             0019293
_exptl_crystal_density_diffrn    3.768
_cod_original_sg_symbol_H-M      'F d 3 m'
_cod_original_formula_sum        'Al1.609 Mg Fe.389 O4'
_cod_database_code               9015218
Minerals of the Varustrask Pegmatite. IX. X-ray studies of triphylite, varulite and their oxidation products
Bjorling, C. O.; Westgren, A.; Geologiska Foreningens i Stockholm Forhandlingar 60 (1938) 67–72; doi:10.1080/11035893809443985

data_9015219
_publ_section_title
;
 Minerals of the Varustrask Pegmatite. IX. X-ray studies of triphylite,
 varulite and their oxidation products
;
_journal_name_full
'Geologiska Foreningens i Stockholm Forhandlingar'
_journal_page_first              67
_journal_page_last               72
_journal_paper_doi               10.1080/11035893809443985
_journal_volume                  60
_journal_year                    1938
_chemical_compound_source        'Varustrask pegmatite, Sweden'
_chemical_formula_sum            'Fe O4 P'
_chemical_name_mineral           Heterosite
_space_group_IT_number           62
_symmetry_space_group_name_Hall  '-P 2c 2ab'
_symmetry_space_group_name_H-M   'P b n m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   4.760
_cell_length_b                   9.680
_cell_length_c                   5.819
_cell_formula_units_Z            4
_cell_volume                     268.121
_database_code_amcsd             0018613
_exptl_crystal_density_diffrn    3.736
_cod_original_formula_sum        'Fe P O4'
_cod_database_code               9015219
Die Kristallstruktur der Alkaliperrhenate und -periodate _cod_database_code 1010427
Beintema, J.; Zeitschrift fur Kristallographie 97 (1937) 300–322; doi:

data_9015220
_publ_section_title
;
 Die Kristallstruktur der Alkaliperrhenate und -periodate
 _cod_database_code 1010427
;
_journal_name_full               'Zeitschrift fur Kristallographie'
_journal_page_first              300
_journal_page_last               322
_journal_volume                  97
_journal_year                    1937
_chemical_formula_sum            'Re Tl'
_space_group_IT_number           62
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   5.623
_cell_length_b                   5.791
_cell_length_c                   13.295
_cell_formula_units_Z            4
_cell_volume                     432.922
_database_code_amcsd             0017351
_exptl_crystal_density_diffrn    5.993
_cod_duplicate_entry             1010427
_cod_original_formula_sum        'Tl Re'
_cod_database_code               9015220
_amcsd_formula_title             'O4 Re Tl'
A single-crystal neutron diffraction study of N H4 Mn F3 _cod_database_code 1006082
Rubin, J.; Palacios, E.; Bartolome, J.; Rodriguez-Carvajal J; Journal of Physics: Condensed Matter 7 (1995) 563–575; doi:10.1088/0953-8984/7/3/011

data_9015221
_publ_section_title
;
 A single-crystal neutron diffraction study of N H4 Mn F3
 _cod_database_code 1006082
;
_journal_name_full               'Journal of Physics: Condensed Matter'
_journal_page_first              563
_journal_page_last               575
_journal_paper_doi               10.1088/0953-8984/7/3/011
_journal_volume                  7
_journal_year                    1995
_chemical_formula_sum            'F3 H3.96 Mn N'
_space_group_IT_number           62
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   5.952
_cell_length_b                   8.543
_cell_length_c                   5.949
_cell_formula_units_Z            4
_cell_volume                     302.494
_database_code_amcsd             0013270
_exptl_crystal_density_diffrn    2.853
_cod_duplicate_entry             1006082
_cod_original_formula_sum        'Mn N F3 H3.96'
_cod_database_code               9015221
_amcsd_formula_title             'F3 H4 Mn N'
Structural studies of the aeschynite-euxenite transformation in the series Ln(TiTa)O6 Ln = lanthanide
Thorogood, G. J.; Avdeev, M.; Kennedy, B. J.; Solid State Sciences 12 (2010) 1263–1269; doi:10.1016/j.solidstatesciences.2010.02.036

data_9015222
_publ_section_title
;
 Structural studies of the aeschynite-euxenite transformation in
 the series Ln(TiTa)O6 Ln = lanthanide
;
_journal_name_full               'Solid State Sciences'
_journal_page_first              1263
_journal_page_last               1269
_journal_paper_doi               10.1016/j.solidstatesciences.2010.02.036
_journal_volume                  12
_journal_year                    2010
_chemical_compound_source        Synthetic
_chemical_formula_sum            'Nd O6 Ta Ti'
_chemical_name_mineral           Tantalaeschynite-(Nd)
_space_group_IT_number           62
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   10.9771
_cell_length_b                   7.5051
_cell_length_c                   5.3602
_cell_formula_units_Z            4
_cell_volume                     441.596
_database_code_amcsd             0018926
_exptl_crystal_density_diffrn    7.055
_cod_original_formula_sum        'Nd (Ta Ti) O6'
_cod_database_code               9015222
Structural basis for the anomalous low-temperature thermal expansion behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10 Sample: T = 250 K
Knight, K. S.; Henderson, C. M. B.; European Journal of Mineralogy 19 (2007) 189–200; doi:10.1127/0935-1221/2007/0019-1711

data_9015223
_publ_section_title
;
 Structural basis for the anomalous low-temperature thermal expansion
 behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10
 Sample: T = 250 K
;
_journal_name_full               'European Journal of Mineralogy'
_journal_page_first              189
_journal_page_last               200
_journal_paper_doi               10.1127/0935-1221/2007/0019-1711
_journal_volume                  19
_journal_year                    2007
_chemical_formula_sum            'Ba0.5 Cu O10 Si4 Sr0.5'
_chemical_name_mineral           Wesselsite
_space_group_IT_number           130
_symmetry_space_group_name_Hall  '-P 4a 2ac'
_symmetry_space_group_name_H-M   'P 4/n c c :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   7.39428
_cell_length_b                   7.39428
_cell_length_c                   15.8573
_cell_formula_units_Z            4
_cell_volume                     867.004
_database_code_amcsd             0007213
_exptl_crystal_density_diffrn    3.435
_cod_original_sg_symbol_H-M      'P 4/n c c'
_cod_original_formula_sum        '(Ba.5 Sr.5) Cu Si4 O10'
_cod_database_code               9015223
_cod_duplicate_entry 9015091