LMucko/crystallography-open-database huggingface dataset:
Satterlyite, (Fe, Mg)12 (P O3 O H) (P O4)5 (O H, O)6: crystal structure and infrared absorption spectra
Kolitsch, U.; Andrut, M.; Giester, G.; European Journal of Mineralogy (1,1989-) 14 (2002) 127–133; doi:

data_1531553
_publ_section_title
;
 Satterlyite, (Fe, Mg)12 (P O3 O H) (P O4)5 (O H, O)6: crystal structure
 and infrared absorption spectra
;
_journal_name_full               'European Journal of Mineralogy (1,1989-)'
_journal_page_first              127
_journal_page_last               133
_journal_volume                  14
_journal_year                    2002
_chemical_formula_sum            'Fe9.24 H6 Mg2.76 O30 P6'
_chemical_name_systematic
'(Fe0.77 Mg0.23)12 (P O3 O H) (P O4)5 ((O H)5 O)'
_space_group_IT_number           157
_symmetry_space_group_name_Hall  'P 3 -2'
_symmetry_space_group_name_H-M   'P 3 1 m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            1
_cell_length_a                   11.355
_cell_length_b                   11.355
_cell_length_c                   5.0394
_cell_volume                     562.709
_citation_journal_id_ASTM        EJMIER
_cod_data_source_file            Kolitsch_EJMIER_2002_280.cif
_cod_data_source_block           H6Fe9.24Mg2.76O30P6
_cod_original_cell_volume        562.7088
_cod_original_formula_sum        'H6 Fe9.24 Mg2.76 O30 P6'
_cod_database_code               1531553
Cs Cu5 S3 - eine neue Verbindung in zwei Modifikationen
Huster, J.; Bronger, W.; Zeitschrift fuer Anorganische und Allgemeine Chemie 627 (2001) 1395–1400; doi:

data_1531554
_publ_section_title
;
 Cs Cu5 S3 - eine neue Verbindung in zwei Modifikationen
;
_journal_name_full
'Zeitschrift fuer Anorganische und Allgemeine Chemie'
_journal_page_first              1395
_journal_page_last               1400
_journal_volume                  627
_journal_year                    2001
_chemical_formula_sum            'Cs Cu5 S3'
_space_group_IT_number           51
_symmetry_space_group_name_Hall  '-P 2c 2'
_symmetry_space_group_name_H-M   'P m c m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   3.9552
_cell_length_b                   8.951
_cell_length_c                   9.635
_cell_volume                     341.108
_citation_journal_id_ASTM        ZAACAB
_cod_data_source_file            Huster_ZAACAB_2001_11.cif
_cod_data_source_block           Cs1Cu5S3
_cod_original_cell_volume        341.1079
_cod_original_sg_symbol_Hall     '-P 2a 2a (y,z,x)'
_cod_original_formula_sum        'Cs1 Cu5 S3'
_cod_database_code               1531554
Synthesis and crystal structure of Sr10 Al6 O19: a derivative of the perovskite structure type in the system Sr O - Al2 O3
Kahlenberg, V.; Materials Research Bulletin 37 (2002) 715–726; doi:

data_1531555
_publ_section_title
;
 Synthesis and crystal structure of Sr10 Al6 O19: a derivative of the
 perovskite structure type in the system Sr O - Al2 O3
;
_journal_name_full               'Materials Research Bulletin'
_journal_page_first              715
_journal_page_last               726
_journal_volume                  37
_journal_year                    2002
_chemical_formula_sum            'Al6 O19 Sr10'
_chemical_name_systematic        'Sr10 Al6 O19'
_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                 103.68
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   34.5823
_cell_length_b                   7.846
_cell_length_c                   15.7485
_cell_volume                     4151.863
_citation_journal_id_ASTM        MRBUAC
_cod_data_source_file            Kahlenberg_MRBUAC_2002_787.cif
_cod_data_source_block           Al6O19Sr10
_cod_database_code               1531555
The crystal structures of phenacite-type Li2 (Mo O4), and scheelite-type Li Y (Mo O4)2 and Li Nd (Mo O4)2
Kolitsch, U.; Zeitschrift fuer Kristallographie (149,1979-) 216 (2001) 449–454; doi:

data_8103751
_publ_section_title
;
 The crystal structures of phenacite-type Li2 (Mo O4), and scheelite-type
 Li Y (Mo O4)2 and Li Nd (Mo O4)2
;
_journal_name_full
'Zeitschrift fuer Kristallographie (149,1979-)'
_journal_page_first              449
_journal_page_last               454
_journal_volume                  216
_journal_year                    2001
_chemical_formula_sum            'Li1.02 Mo2 O8 Y0.98'
_chemical_name_systematic        '(Li1.02 Y0.98) (Mo O4)2'
_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_formula_units_Z            2
_cell_length_a                   5.148
_cell_length_b                   5.148
_cell_length_c                   11.173
_cell_volume                     296.106
_citation_journal_id_ASTM        ZEKRDZ
_cod_data_source_file            Kolitsch_ZEKRDZ_2001_71.cif
_cod_data_source_block           Li1.02Mo2O8Y0.98
_cod_original_cell_volume        296.1057
_cod_database_code               8103751
Refinement of the crystal structure of cronstedtite - 2H2
Hybler, J.; Durovic, S.; Fabry, J.; Petricek, V.; Clays and Clay Minerals (29,1981-) 50 (2002) 601–613; doi:

data_1531556
_publ_section_title
;
 Refinement of the crystal structure of cronstedtite - 2H2
;
_journal_name_full               'Clays and Clay Minerals (29,1981-)'
_journal_page_first              601
_journal_page_last               613
_journal_volume                  50
_journal_year                    2002
_chemical_formula_sum            'Fe3.56 H4 O9 Si1.44'
_chemical_name_systematic        'Fe3 (Si1.44 Fe0.56) O5 (O H)4'
_space_group_IT_number           173
_symmetry_space_group_name_Hall  'P 6c'
_symmetry_space_group_name_H-M   'P 63'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            2
_cell_length_a                   5.5
_cell_length_b                   5.5
_cell_length_c                   14.163
_cell_volume                     371.032
_citation_journal_id_ASTM        CLCMAB
_cod_data_source_file            Hybler_CLCMAB_2002_1115.cif
_cod_data_source_block           H4Fe3.56O9Si1.44
_cod_original_cell_volume        371.0319
_cod_original_formula_sum        'H4 Fe3.56 O9 Si1.44'
_cod_database_code               1531556
Ab initio crystal structure determination of Na2 Si3 O7 from conventional powder diffraction data
Kahlenberg, V.; Patarin, J.; Marler, B.; Munoz Acevedo, J.C.; Solid State Sciences 4 (2002) 1285–1292; doi:

data_1531557
_publ_section_title
;
 Ab initio crystal structure determination of Na2 Si3 O7 from conventional
 powder diffraction data
;
_journal_name_full               'Solid State Sciences'
_journal_page_first              1285
_journal_page_last               1292
_journal_volume                  4
_journal_year                    2002
_chemical_formula_sum            'Na2 O7 Si3'
_chemical_name_systematic        'Na2 (Si3 O7)'
_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                 120.2478
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.1924
_cell_length_b                   10.6039
_cell_length_c                   9.8049
_cell_volume                     645.986
_citation_journal_id_ASTM        SSSCFJ
_cod_data_source_file            Kahlenberg_SSSCFJ_2002_901.cif
_cod_data_source_block           Na2O7Si3
_cod_original_cell_volume        645.9865
_cod_database_code               1531557
The crystal structures of phenacite-type Li2 (Mo O4), and scheelite-type Li Y (Mo O4)2 and Li Nd (Mo O4)2
Kolitsch, U.; Zeitschrift fuer Kristallographie (149,1979-) 216 (2001) 449–454; doi:

data_8103752
_publ_section_title
;
 The crystal structures of phenacite-type Li2 (Mo O4), and scheelite-type
 Li Y (Mo O4)2 and Li Nd (Mo O4)2
;
_journal_name_full
'Zeitschrift fuer Kristallographie (149,1979-)'
_journal_page_first              449
_journal_page_last               454
_journal_volume                  216
_journal_year                    2001
_chemical_formula_sum            'Li Mo2 Nd O8'
_chemical_name_systematic        '(Li Nd) (Mo O4)2'
_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_formula_units_Z            2
_cell_length_a                   5.243
_cell_length_b                   5.243
_cell_length_c                   11.44
_cell_volume                     314.475
_citation_journal_id_ASTM        ZEKRDZ
_cod_data_source_file            Kolitsch_ZEKRDZ_2001_72.cif
_cod_data_source_block           Li1Mo2Nd1O8
_cod_original_cell_volume        314.4747
_cod_original_formula_sum        'Li1 Mo2 Nd1 O8'
_cod_database_code               8103752
Dependence of T~c~ and the crystal structure of Tl~2-x~Ba~2~Ca~1.95~Y~0.05~Cu~3~O~y~ superconducting oxide on the Tl content
Idemoto, Y.; Izumi, F.; Koura, N.; Nishikawa, J.; Kamiyama, T.; Journal of the Ceramic Society of Japan 110 (2002) 180–185; doi:10.2109/jcersj.110.180

data_1531558
_publ_section_title
;
 Dependence of T~c~ and the crystal structure of
 Tl~2-x~Ba~2~Ca~1.95~Y~0.05~Cu~3~O~y~ superconducting oxide on the Tl content
;
_journal_issue                   1279
_journal_name_full               'Journal of the Ceramic Society of Japan'
_journal_page_first              180
_journal_page_last               185
_journal_paper_doi               10.2109/jcersj.110.180
_journal_volume                  110
_journal_year                    2002
_chemical_formula_sum            'Ba2 Ca1.95 Cu3.25 O9.952 Tl1.66 Y0.05'
_chemical_name_systematic        'Tl1.66 Ba2 Ca1.95 Y0.05 Cu3.25 O9.952'
_space_group_IT_number           139
_symmetry_space_group_name_Hall  '-I 4 2'
_symmetry_space_group_name_H-M   'I 4/m m m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   3.8523
_cell_length_b                   3.8523
_cell_length_c                   35.644
_cell_volume                     528.965
_citation_journal_id_ASTM        JCSJEW
_cod_data_source_file            Idemoto_JCSJEW_2002_1144.cif
_cod_data_source_block           Ba2Ca1.95Cu3.25O9.952Tl1.66Y0.05
_cod_original_cell_volume        528.9646
_cod_database_code               1531558
beta-(Sr10 Ga6 O19): an oxygen deficient perovskite containing (Ga6 O19)-polyanions
Kahlenberg, V.; Solid State Sciences 4 (2002) 183–189; doi:

data_1531559
_publ_section_title
;
 beta-(Sr10 Ga6 O19): an oxygen deficient perovskite containing (Ga6
 O19)-polyanions
;
_journal_name_full               'Solid State Sciences'
_journal_page_first              183
_journal_page_last               189
_journal_volume                  4
_journal_year                    2002
_chemical_formula_sum            'Ga6 O19 Sr10'
_chemical_name_systematic        'Sr10 Ga6 O19'
_space_group_IT_number           60
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   34.3163
_cell_length_b                   7.8918
_cell_length_c                   15.9558
_cell_volume                     4321.108
_citation_journal_id_ASTM        SSSCFJ
_cod_data_source_file            Kahlenberg_SSSCFJ_2002_917.cif
_cod_data_source_block           Ga6O19Sr10
_cod_database_code               1531559
Synthese und Struktur von Rb Hf F5, Rb2 Zr3 F12 O und Rb2 Hf3 F12 O - zwei Oxidfluoride mit zentraler trigonal-planarer (M3 O)-Gruppe
Koller, D.; Mueller, B.G.; Zeitschrift fuer Anorganische und Allgemeine Chemie 628 (2002) 575–579; doi:

data_1531560
_publ_section_title
;
 Synthese und Struktur von Rb Hf F5, Rb2 Zr3 F12 O und Rb2 Hf3 F12 O -
 zwei Oxidfluoride mit zentraler trigonal-planarer (M3 O)-Gruppe
;
_journal_name_full
'Zeitschrift fuer Anorganische und Allgemeine Chemie'
_journal_page_first              575
_journal_page_last               579
_journal_volume                  628
_journal_year                    2002
_chemical_formula_sum            'F5 Hf Rb'
_chemical_name_systematic        'Rb Hf F5'
_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                 120.52
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.766
_cell_length_b                   7.8963
_cell_length_c                   7.898
_cell_volume                     417.224
_citation_journal_id_ASTM        ZAACAB
_cod_data_source_file            Koller_ZAACAB_2002_1036.cif
_cod_data_source_block           F5Hf1Rb1
_cod_original_cell_volume        417.2239
_cod_original_formula_sum        'F5 Hf1 Rb1'
_cod_database_code               1531560
Effect of Heat Treatment for Crystal Structure and Ferroelectric Properties of Sr~1-x~Bi~2+x~Ta~2~O~9-δ~ (x=0, 0.2)
Idemoto, Y.; Sato, Y.; Richardson, Jr, J. W.; Koura, N.; Loong, Chun-K.; Takeuchi, K.; Journal of the Ceramic Society of Japan 110 (2002) 859–866; doi:10.2109/jcersj.110.859

data_1531561
_publ_section_title
;
 Effect of Heat Treatment for Crystal Structure and Ferroelectric
 Properties of Sr~1-x~Bi~2+x~Ta~2~O~9-\d~ (x=0, 0.2)
;
_journal_issue                   1285
_journal_name_full               'Journal of the Ceramic Society of Japan'
_journal_page_first              859
_journal_page_last               866
_journal_paper_doi               10.2109/jcersj.110.859
_journal_volume                  110
_journal_year                    2002
_chemical_formula_sum            'Bi2.2 O8.766 Sr0.8 Ta2'
_chemical_name_systematic        '(Sr0.8 Bi0.2) Bi2 Ta2 O8.766'
_space_group_IT_number           36
_symmetry_space_group_name_Hall  'A -2 2a'
_symmetry_space_group_name_H-M   'A 21 a m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.515
_cell_length_b                   5.5152
_cell_length_c                   25.0285
_cell_volume                     761.275
_citation_journal_id_ASTM        JCSJEW
_cod_data_source_file            Idemoto_JCSJEW_2002_1960.cif
_cod_data_source_block           Bi2.2O8.766Sr0.8Ta2
_cod_original_sg_symbol_Hall     'C 2c -2 (z,y,-x)'
_cod_database_code               1531561
High-temperature single crystal diffraction study on monobarium gallate - the crystal structure of beta-(Ba Ga2 O4)
Kahlenberg, V.; Weidenthaler, C.; Solid State Sciences 4 (2002) 963–968; doi:

data_1531562
_publ_section_title
;
 High-temperature single crystal diffraction study on monobarium gallate -
 the crystal structure of beta-(Ba Ga2 O4)
;
_journal_name_full               'Solid State Sciences'
_journal_page_first              963
_journal_page_last               968
_journal_volume                  4
_journal_year                    2002
_chemical_formula_sum            'Ba Ga2 O4'
_chemical_name_systematic        'Ba (Ga2 O4)'
_space_group_IT_number           182
_symmetry_space_group_name_Hall  'P 6c 2c'
_symmetry_space_group_name_H-M   'P 63 2 2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            2
_cell_length_a                   5.3925
_cell_length_b                   5.3925
_cell_length_c                   8.9739
_cell_volume                     225.992
_citation_journal_id_ASTM        SSSCFJ
_cod_data_source_file            Kahlenberg_SSSCFJ_2002_951.cif
_cod_data_source_block           Ba1Ga2O4
_cod_original_cell_volume        225.9915
_cod_original_formula_sum        'Ba1 Ga2 O4'
_cod_database_code               1531562
Synthese und Struktur von Rb Hf F5, Rb2 Zr3 F12 O und Rb2 Hf3 F12 O- zwei Oxidfluoride mit zentraler trigonal-planarer (M3 O)-Gruppe
Koller, D.; Mueller, B.G.; Zeitschrift fuer Anorganische und Allgemeine Chemie 628 (2002) 575–579; doi:

data_1531563
_publ_section_title
;
 Synthese und Struktur von Rb Hf F5, Rb2 Zr3 F12 O und Rb2 Hf3 F12 O- zwei
 Oxidfluoride mit zentraler trigonal-planarer (M3 O)-Gruppe
;
_journal_name_full
'Zeitschrift fuer Anorganische und Allgemeine Chemie'
_journal_page_first              575
_journal_page_last               579
_journal_volume                  628
_journal_year                    2002
_chemical_formula_sum            'F12 Hf3 O Rb2'
_chemical_name_systematic        'Rb2 (O F3 (Hf F3)3)'
_space_group_IT_number           166
_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            6
_cell_length_a                   7.692
_cell_length_b                   7.692
_cell_length_c                   29.861
_cell_volume                     1530.078
_citation_journal_id_ASTM        ZAACAB
_cod_data_source_file            Koller_ZAACAB_2002_1037.cif
_cod_data_source_block           F12Hf3O1Rb2
_cod_original_formula_sum        'F12 Hf3 O1 Rb2'
_cod_database_code               1531563
Preparation and structures of Cs Gd2 Cu3 Se5 and Cs Tb2 Cu3 Se5
Ijjaali, I.; Ibers, J.A.; Journal of Alloys Compd. 353 (2003) 124–127; doi:

data_1531564
_publ_section_title
;
 Preparation and structures of Cs Gd2 Cu3 Se5 and Cs Tb2 Cu3 Se5
;
_journal_name_full               'Journal of Alloys Compd.'
_journal_page_first              124
_journal_page_last               127
_journal_volume                  353
_journal_year                    2003
_chemical_formula_sum            'Cs Cu3 Gd2 Se5'
_chemical_name_systematic        'Cs (Gd2 Cu3 Se5)'
_space_group_IT_number           63
_symmetry_space_group_name_Hall  '-C 2c 2'
_symmetry_space_group_name_H-M   'C m c m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.1417
_cell_length_b                   14.6422
_cell_length_c                   17.4543
_cell_volume                     1058.492
_citation_journal_id_ASTM        JALCEU
_cod_data_source_file            Ijjaali_JALCEU_2003_1364.cif
_cod_data_source_block           Cs1Cu3Gd2Se5
_cod_original_formula_sum        'Cs1 Cu3 Gd2 Se5'
_cod_database_code               1531564
Crystal structure determination of tetrabarium-digalliumoxide, Ba4 Ga2 O7
Kahlenberg, V.; Zeitschrift fuer Anorganische und Allgemeine Chemie 627 (2001) 2386–2390; doi:

data_1531565
_publ_section_title
;
 Crystal structure determination of tetrabarium-digalliumoxide, Ba4 Ga2 O7
;
_journal_name_full
'Zeitschrift fuer Anorganische und Allgemeine Chemie'
_journal_page_first              2386
_journal_page_last               2390
_journal_volume                  627
_journal_year                    2001
_chemical_formula_sum            'Ba4 Ga2 O7'
_chemical_name_systematic        'Ba4 (Ga2 O7)'
_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                 98.962
_cell_angle_gamma                90
_cell_formula_units_Z            6
_cell_length_a                   17.7447
_cell_length_b                   10.6719
_cell_length_c                   7.2828
_cell_volume                     1362.305
_citation_journal_id_ASTM        ZAACAB
_cod_data_source_file            Kahlenberg_ZAACAB_2001_45.cif
_cod_data_source_block           Ba4Ga2O7
_cod_database_code               1531565
Synthese und Struktur von Rb Hf F5, Rb2 Zr3 F12 O und Rb2 Hf3 F12 O- zwei Oxidfluoride mit zentraler trigonal-planarer (M3 O)-Gruppe
Koller, D.; Mueller, B.G.; Zeitschrift fuer Anorganische und Allgemeine Chemie 628 (2002) 575–579; doi:

data_1531566
_publ_section_title
;
 Synthese und Struktur von Rb Hf F5, Rb2 Zr3 F12 O und Rb2 Hf3 F12 O- zwei
 Oxidfluoride mit zentraler trigonal-planarer (M3 O)-Gruppe
;
_journal_name_full
'Zeitschrift fuer Anorganische und Allgemeine Chemie'
_journal_page_first              575
_journal_page_last               579
_journal_volume                  628
_journal_year                    2002
_chemical_formula_sum            'F12 O Rb2 Zr3'
_chemical_name_systematic        'Rb2 (O F3 (Zr F3)3)'
_space_group_IT_number           166
_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            6
_cell_length_a                   7.719
_cell_length_b                   7.719
_cell_length_c                   29.63
_cell_volume                     1528.919
_citation_journal_id_ASTM        ZAACAB
_cod_data_source_file            Koller_ZAACAB_2002_1038.cif
_cod_data_source_block           F12O1Rb2Zr3
_cod_original_cell_volume        1528.918
_cod_original_formula_sum        'F12 O1 Rb2 Zr3'
_cod_database_code               1531566
Preparation and structures of Cs Gd2 Cu3 Se5 and Cs Tb2 Cu3 Se5
Ijjaali, I.; Ibers, J.A.; Journal of Alloys Compd. 353 (2003) 124–127; doi:

data_1531567
_publ_section_title
;
 Preparation and structures of Cs Gd2 Cu3 Se5 and Cs Tb2 Cu3 Se5
;
_journal_name_full               'Journal of Alloys Compd.'
_journal_page_first              124
_journal_page_last               127
_journal_volume                  353
_journal_year                    2003
_chemical_formula_sum            'Cs Cu3 Se5 Tb2'
_chemical_name_systematic        'Cs (Tb2 Cu3 Se5)'
_space_group_IT_number           63
_symmetry_space_group_name_Hall  '-C 2c 2'
_symmetry_space_group_name_H-M   'C m c m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.1268
_cell_length_b                   14.6204
_cell_length_c                   17.339
_cell_volume                     1046.157
_citation_journal_id_ASTM        JALCEU
_cod_data_source_file            Ijjaali_JALCEU_2003_1365.cif
_cod_data_source_block           Cs1Cu3Se5Tb2
_cod_original_formula_sum        'Cs1 Cu3 Se5 Tb2'
_cod_database_code               1531567
The crystal structure of Na2 Ca2 Si2 O7 - a mixed anion silicate with defect perovskite characteristics
Kahlenberg, V.; Hooesch, A.; Zeitschrift fuer Kristallographie (149,1979-) 217 (2002) 155–163; doi:

data_8103753
_publ_section_title
;
 The crystal structure of Na2 Ca2 Si2 O7 - a mixed anion silicate with
 defect perovskite characteristics
;
_journal_name_full
'Zeitschrift fuer Kristallographie (149,1979-)'
_journal_page_first              155
_journal_page_last               163
_journal_volume                  217
_journal_year                    2002
_chemical_formula_sum            'Ca2 Na2 O7 Si2'
_chemical_name_systematic        'Na2 Ca2 (Si2 O7)'
_space_group_IT_number           15
_symmetry_space_group_name_Hall  '-I 2ya'
_symmetry_space_group_name_H-M   'I 1 2/a 1'
_cell_angle_alpha                90
_cell_angle_beta                 91.217
_cell_angle_gamma                90
_cell_formula_units_Z            16
_cell_length_a                   10.4906
_cell_length_b                   10.3762
_cell_length_c                   24.5349
_cell_volume                     2670.084
_citation_journal_id_ASTM        ZEKRDZ
_cod_data_source_file            Kahlenberg_ZEKRDZ_2002_1047.cif
_cod_data_source_block           Ca2Na2O7Si2
_cod_original_sg_symbol_Hall     '-C 2yc (x+z,y,-x)'
_cod_database_code               8103753