LMucko/crystallography-open-database huggingface dataset:
Introduction of fluorite layers in the 1212-type structure: the oxide (Pb~.5~Sr~.5~)Sr~2~Nd~2-x~Ce~x~Cu~2~O~9-d~
Gambardella, M T; Domenges, B; Rouillon, T; Hervieu, M; Raveau, B; European Journal of Solid State Inorganic Chemistry 39 (1992) 333–345; doi:

data_1001531
_publ_section_title
;
Introduction of fluorite layers in the 1212-type structure: the oxide
(Pb~.5~Sr~.5~)Sr~2~Nd~2-x~Ce~x~Cu~2~O~9-d~
;
_journal_coden_ASTM              EJSCE5
_journal_name_full
;
European Journal of Solid State Inorganic Chemistry
;
_journal_page_first              333
_journal_page_last               345
_journal_volume                  39
_journal_year                    1992
_chemical_formula_structural     '(Pb0.5 Sr0.5) Sr2 (Nd1.5 Ce0.5) Cu2 O9'
_chemical_formula_sum            'Ce0.5 Cu2 Nd1.5 O9 Pb0.5 Sr2.5'
_chemical_name_systematic
;
Lead strontium neodymium cerium copper oxide (0.5/2.5/1.5/0.5/2/9)
;
_space_group_IT_number           139
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_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                   3.8783(2)
_cell_length_b                   3.8783(2)
_cell_length_c                   29.495(2)
_cell_volume                     443.6
_refine_ls_R_factor_all          0.058
_cod_original_formula_sum        'Ce.5 Cu2 Nd1.5 O9 Pb.5 Sr2.5'
_cod_database_code               1001531
Thallium nonstoichiometry in 2212-thallium cuprate
Michel, C; Martin, C; Hervieu, M; Maignan, A; Provost, J; Huve, M; Raveau, B; Journal of Solid State Chemistry 96 (1992) 271–286; doi:10.1016/S0022-4596(05)80260-9

data_1001532
_publ_section_title
;
Thallium nonstoichiometry in 2212-thallium cuprate
;
_journal_coden_ASTM              JSSCBI
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              271
_journal_page_last               286
_journal_paper_doi               10.1016/S0022-4596(05)80260-9
_journal_volume                  96
_journal_year                    1992
_chemical_formula_structural     '(Tl2 Ca) Ba2 Cu2 O8'
_chemical_formula_sum            'Ba2 Ca Cu2 O8 Tl2'
_chemical_name_systematic
;
Dithallium(III) calcium dibarium dicopper oxide
;
_space_group_IT_number           139
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_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                   3.8565(1)
_cell_length_b                   3.8565(1)
_cell_length_c                   29.3122(9)
_cell_volume                     435.9
_refine_ls_R_factor_all          0.078
_cod_database_code               1001532
Thallium nonstoichiometry in 2212-thallium cuprate
Michel, C; Martin, C; Hervieu, M; Maignan, A; Provost, J; Huve, M; Raveau, B; Journal of Solid State Chemistry 96 (1992) 271–286; doi:10.1016/S0022-4596(05)80260-9

data_1001533
_publ_section_title
;
Thallium nonstoichiometry in 2212-thallium cuprate
;
_journal_coden_ASTM              JSSCBI
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              271
_journal_page_last               286
_journal_paper_doi               10.1016/S0022-4596(05)80260-9
_journal_volume                  96
_journal_year                    1992
_chemical_formula_structural     '(Tl1.81 Ca) Ba2 Cu2 O8'
_chemical_formula_sum            'Ba2 Ca Cu2 O8 Tl1.81'
_chemical_name_systematic
;
Thallium calcium barium copper oxide (1.8/1/2/2/8)
;
_space_group_IT_number           139
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_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                   3.8489(1)
_cell_length_b                   3.8489(1)
_cell_length_c                   29.3153(7)
_cell_volume                     434.3
_refine_ls_R_factor_all          0.072
_cod_database_code               1001533
Structure of PbV~2~P~2~O~1~0
Grandin, A; Chardon, J; Borel, M M; Leclaire, A; Raveau, B; Acta Crystallographica C (39,1983-) 48 (1992) 1913–1915; doi:

data_1001534
_publ_section_title              'Structure of PbV~2~P~2~O~1~0'
_journal_coden_ASTM              ACSCEE
_journal_name_full               'Acta Crystallographica C (39,1983-)'
_journal_page_first              1913
_journal_page_last               1915
_journal_volume                  48
_journal_year                    1992
_chemical_formula_structural     'Pb (V2 P2 O10)'
_chemical_formula_sum            'O10 P2 Pb V2'
_chemical_name_systematic        'Lead divanado(IV)diphosphate'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_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                 91.01(1)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.2306(4)
_cell_length_b                   8.5805(9)
_cell_length_c                   16.790(1)
_cell_volume                     753.4
_refine_ls_R_factor_all          0.032
_cod_database_code               1001534
Structure of Ba~0.84~Rb~3~Nb~8~P~5~O~34~
Gueho, C; Borel, M M; Grandin, A; Leclaire, A; Raveau, B; Acta Crystallographica C (39,1983-) 48 (1992) 2066–2067; doi:

data_1001535
_publ_section_title              'Structure of Ba~0.84~Rb~3~Nb~8~P~5~O~34~'
_journal_coden_ASTM              ACSCEE
_journal_name_full               'Acta Crystallographica C (39,1983-)'
_journal_page_first              2066
_journal_page_last               2067
_journal_volume                  48
_journal_year                    1992
_chemical_formula_structural     'Ba0.84 Rb3 (Nb8 P5 O34)'
_chemical_formula_sum            'Ba0.84 Nb8 O34 P5 Rb3'
_chemical_name_systematic
;
Barium rubidium tecto-octaniobopentaphosphate (0.84/3/1)
;
_space_group_IT_number           115
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_number      115
_symmetry_space_group_name_Hall  'P -4 -2'
_symmetry_space_group_name_H-M   'P -4 m 2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            1
_cell_length_a                   10.6604(8)
_cell_length_b                   10.6604(8)
_cell_length_c                   6.4434(4)
_cell_volume                     732.3
_refine_ls_R_factor_all          0.039
_cod_original_formula_sum        'Ba.84 Nb8 O34 P5 Rb3'
_cod_database_code               1001535
A new series of phosphates with the Na~6~Nb~8~P~5~O~35~ structure
Gueho, C; Borel, M M; Grandin, A; Leclaire, A; Raveau, B; European Journal of Solid State Inorganic Chemistry 29 (1992) 1253–1261; doi:

data_1001536
_publ_section_title
;
A new series of phosphates with the Na~6~Nb~8~P~5~O~35~ structure
;
_journal_coden_ASTM              EJSCE5
_journal_name_full
;
European Journal of Solid State Inorganic Chemistry
;
_journal_page_first              1253
_journal_page_last               1261
_journal_volume                  29
_journal_year                    1992
_chemical_formula_structural     'Na3 K3 (Nb8 P5 O35)'
_chemical_formula_sum            'K3 Na3 Nb8 O35 P5'
_chemical_name_systematic
;
Trisodium tripotassium phyllo-octaniobopentaphosphate
;
_space_group_IT_number           155
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'R 3 2"'
_symmetry_space_group_name_H-M   'R 3 2 :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   8.961(1)
_cell_length_b                   8.961(1)
_cell_length_c                   30.204(2)
_cell_volume                     2100.4
_refine_ls_R_factor_all          0.034
_cod_original_sg_symbol_H-M      'R 3 2 H'
_cod_database_code               1001536
Structure Refinement of the semi-Metallic Oxide SrTl~2~O~4~: a Neutron Diffraction Study
Michel, C; Hervieu, M; Caignaert, V; Raveau, B; Acta Crystallographica C (39,1983-) 48 (1992) 1747–1749; doi:

data_1001537
_publ_section_title
;
Structure Refinement of the semi-Metallic Oxide SrTl~2~O~4~: a Neutron
Diffraction Study
;
_journal_coden_ASTM              ACSCEE
_journal_name_full               'Acta Crystallographica C (39,1983-)'
_journal_page_first              1747
_journal_page_last               1749
_journal_volume                  48
_journal_year                    1992
_chemical_formula_structural     'Sr Tl2 O4'
_chemical_formula_sum            'O4 Sr Tl2'
_chemical_name_systematic        'Strontium dithallium(III) oxide'
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      62
_symmetry_space_group_name_Hall  '-P 2c 2n'
_symmetry_space_group_name_H-M   'P n a m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.0451(2)
_cell_length_b                   11.6905(2)
_cell_length_c                   3.40860(4)
_cell_volume                     400.3
_refine_ls_R_factor_all          0.048
_cod_database_code               1001537
Na~4-x~Nb~7~P~4~O~29~: A Phosphate Niobium Bronze Intergrowth of the Members M=3 snd M=4 of the MPTB's Series Na~x~(NbO~3~)~2m~(PO~2~)~4~
Benabbas, A; Leligny, H; Borel, M M; Grandin, A; Leclaire, A; Raveau, B; Journal of Solid State Chemistry 101 (1992) 137–144; doi:10.1016/0022-4596(92)90209-E

data_1001538
_publ_section_title
;
Na~4-x~Nb~7~P~4~O~29~: A Phosphate Niobium Bronze Intergrowth of the
Members M=3 snd M=4 of the MPTB's Series Na~x~(NbO~3~)~2m~(PO~2~)~4~
;
_journal_coden_ASTM              JSSCBI
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              137
_journal_page_last               144
_journal_paper_doi               10.1016/0022-4596(92)90209-E
_journal_volume                  101
_journal_year                    1992
_chemical_formula_structural     'Na3.04 (Nb7 P4 O29)'
_chemical_formula_sum            'Na3.04 Nb7 O29 P4'
_chemical_name_systematic
;
Sodium phyllo-heptaniobotetraphosphate (3.04/1)
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_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                 97.79(1)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   32.850(4)
_cell_length_b                   5.3484(4)
_cell_length_c                   13.252(2)
_cell_volume                     2306.8
_refine_ls_R_factor_all          0.052
_cod_database_code               1001538
Na/2VP~2~O~8~: A Tetravalent Vanadium Diphosphate with a Layered Structure
Benhamada, L; Grandin, A; Borel, M M; Leclaire, A; Raveau, B; Journal of Solid State Chemistry 101 (1992) 154–160; doi:10.1016/0022-4596(92)90211-D

data_1001539
_publ_section_title
;
Na/2VP~2~O~8~: A Tetravalent Vanadium Diphosphate with a Layered
Structure
;
_journal_coden_ASTM              JSSCBI
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              154
_journal_page_last               160
_journal_paper_doi               10.1016/0022-4596(92)90211-D
_journal_volume                  101
_journal_year                    1992
_chemical_formula_structural     'Na2 (P2 V O8)'
_chemical_formula_sum            'Na2 O8 P2 V'
_chemical_name_systematic        'Disodium phyllo-diphosphatovanadate(IV)'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_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                 99.49(1)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.7178(6)
_cell_length_b                   13.3233(8)
_cell_length_c                   6.287(3)
_cell_volume                     637.6
_refine_ls_R_factor_all          0.025
_cod_database_code               1001539
TlBa~2~(Eu,Ce)~2~Cu~2~O~9+d~, a new member of the double fluorite-type cuprate family. Structure and possible induced superconductivity by oxygen high-pressure annealing
Liu, R S; Hervieu, M; Michel, C; Maignan, A; Martin, C; Raveau, B; Edwards, P P; Physica C (Amsterdam) (152,1988-) 197 (1992) 131–135; doi:10.1016/0921-4534(92)90246-9

data_1001540
_publ_section_title
;
TlBa~2~(Eu,Ce)~2~Cu~2~O~9+d~, a new member of the double fluorite-type
cuprate family. Structure and possible induced superconductivity by
oxygen high-pressure annealing
;
_journal_coden_ASTM              PHYCE6
_journal_name_full               'Physica C (Amsterdam) (152,1988-)'
_journal_page_first              131
_journal_page_last               135
_journal_paper_doi               10.1016/0921-4534(92)90246-9
_journal_volume                  197
_journal_year                    1992
_chemical_formula_structural     'Tl Ba2 (Eu1.5 Ce0.5) Cu2 O9'
_chemical_formula_sum            'Ba2 Ce0.5 Cu2 Eu1.5 O9 Tl'
_chemical_name_systematic
;
Thallium barium europium cerium copper oxide (1/2/1.5/.5/2/9)
;
_space_group_IT_number           139
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_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                   3.8784(5)
_cell_length_b                   3.8784(5)
_cell_length_c                   30.415(5)
_cell_volume                     457.5
_refine_ls_R_factor_all          0.087
_cod_original_formula_sum        'Ba2 Ce.5 Cu2 Eu1.5 O9 Tl'
_cod_database_code               1001540
A niobium silicophosphate belonging to the niobium phosphate bronzeseries: K~4~Nb~8~P~4~SiO~34~
Leclaire, A; Borel, M M; Chardon, J; Grandin, A; Raveau, B; Acta Crystallographica C (39,1983-) 48 (1992) 1744–1747; doi:

data_1001541
_publ_section_title
;
A niobium silicophosphate belonging to the niobium phosphate
bronzeseries: K~4~Nb~8~P~4~SiO~34~
;
_journal_coden_ASTM              ACSCEE
_journal_name_full               'Acta Crystallographica C (39,1983-)'
_journal_page_first              1744
_journal_page_last               1747
_journal_volume                  48
_journal_year                    1992
_chemical_formula_structural     'K4 Nb8 (Si P4 O34)'
_chemical_formula_sum            'K4 Nb8 O34 P4 Si'
_chemical_name_systematic        'Potassium niobium silicophosphate *'
_space_group_IT_number           115
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_number      115
_symmetry_space_group_name_Hall  'P -4 -2'
_symmetry_space_group_name_H-M   'P -4 m 2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            1
_cell_length_a                   10.6050(9)
_cell_length_b                   10.6050(9)
_cell_length_c                   6.4099(5)
_cell_volume                     720.9
_refine_ls_R_factor_all          0.03
_cod_database_code               1001541
BaV~2~P~2~O~10~, a new tetravalent vanadium phosphate with a tunnel structure
Grandin, A; Chardon, J; Borel, M M; Leclaire, A; Raveau, B; Journal of Solid State Chemistry 99 (1992) 297–302; doi:10.1016/0022-4596(92)90317-O

data_1001542
_publ_section_title
;
BaV~2~P~2~O~10~, a new tetravalent vanadium phosphate with a tunnel
structure
;
_journal_coden_ASTM              JSSCBI
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              297
_journal_page_last               302
_journal_paper_doi               10.1016/0022-4596(92)90317-O
_journal_volume                  99
_journal_year                    1992
_chemical_formula_structural     'Ba (V2 P2 O10)'
_chemical_formula_sum            'Ba O10 P2 V2'
_chemical_name_systematic        'Barium divanadato(IV)diphosphate'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_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                 92.757(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.2204(3)
_cell_length_b                   9.1702(7)
_cell_length_c                   16.3247(9)
_cell_volume                     780.6
_exptl_crystal_density_meas      3.93(6)
_refine_ls_R_factor_all          0.031
_cod_database_code               1001542
The modulated structure of LaMo~8~O~14~
Leligny, H.; Labbe, P.; Ledesert, M.; Hervieu, M.; Raveau, B.; McCarroll, W. H.; Acta Crystallographica B (39,1983-) 49 (1993) 444–454; doi:10.1107/S0108768192010413

data_1001543
_publ_section_title              'The modulated structure of LaMo~8~O~14~'
_journal_coden_ASTM              ASBSDK
_journal_issue                   3
_journal_name_full               'Acta Crystallographica B (39,1983-)'
_journal_page_first              444
_journal_page_last               454
_journal_paper_doi               10.1107/S0108768192010413
_journal_volume                  49
_journal_year                    1993
_chemical_formula_structural     'La0.988 Mo8.024 O14'
_chemical_formula_sum            'La0.988 Mo8.024 O14'
_chemical_name_systematic        'Lanthanum molybdenum oxide (1/8/14)'
_space_group_IT_number           41
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C -2ac 2'
_symmetry_space_group_name_H-M   'C 2 c b'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.129(1)
_cell_length_b                   10.000(1)
_cell_length_c                   9.218(1)
_cell_volume                     1025.9
_refine_ls_R_factor_all          0.038
_cod_original_sg_symbol_H-M      'C 2 c a'
_cod_original_formula_sum        'La.988 Mo8.024 O14'
_cod_database_code               1001543
Structure du monophosphate de molybdene a valence mixte AgMo^V^~2~Mo^VI^P~3~O~16~
Guesdon, A; Borel, M - M; Grandin, A; Leclaire, A; Raveau, B; Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, Serie 2 (1984-1993) 316 (1993) 477–482; doi:

data_1001544
_publ_section_title
;
Structure du monophosphate de molybdene a valence mixte
AgMo^V^~2~Mo^VI^P~3~O~16~
;
_journal_coden_ASTM              CRAMED
_journal_name_full
;
Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences,
Serie 2 (1984-1993)
;
_journal_page_first              477
_journal_page_last               482
_journal_volume                  316
_journal_year                    1993
_chemical_formula_structural     'Ag (Mo2 Mo P3 O16)'
_chemical_formula_sum            'Ag Mo3 O16 P3'
_chemical_name_systematic        'Silver dimolybdo(V)molybdotriphosphate'
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                80.11(1)
_cell_angle_beta                 79.59(1)
_cell_angle_gamma                83.82(1)
_cell_formula_units_Z            2
_cell_length_a                   6.403(2)
_cell_length_b                   7.600(2)
_cell_length_c                   12.769(2)
_cell_volume                     600.2
_refine_ls_R_factor_all          0.03
_cod_database_code               1001544
Crystal chemistry of the diluted solid solution YCaCr~x~Al~1- x~O~4~(x<=0.07) at 1273K: reversed trends in the anisotropy of the K~2~NiF~4~ type structure
Choisnet, J; Archaimbault, F; Crespin, M; Chezina, N; Zvereva, I; European Journal of Solid State Inorganic Chemistry 30 (1993) 619–628; doi:

data_1001545
_publ_section_title
;
Crystal chemistry of the diluted solid solution YCaCr~x~Al~1-
x~O~4~(x<=0.07) at 1273K: reversed trends in the anisotropy of the
K~2~NiF~4~ type structure
;
_journal_coden_ASTM              EJSCE5
_journal_name_full
;
European Journal of Solid State Inorganic Chemistry
;
_journal_page_first              619
_journal_page_last               628
_journal_volume                  30
_journal_year                    1993
_chemical_formula_structural     'Y Ca Al O4'
_chemical_formula_sum            'Al Ca O4 Y'
_chemical_name_systematic        'Yttrium calcium aluminium oxide'
_space_group_IT_number           139
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_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                   3.6434(4)
_cell_length_b                   3.6434(4)
_cell_length_c                   11.871(2)
_cell_volume                     157.6
_refine_ls_R_factor_all          0.027
_cod_database_code               1001545
Crystal chemistry of the diluted solid solution YCaCr~x~Al~1- x~O~4~(x<=0.07) at 1273K: reversed trends in the anisotropy of the K~2~NiF~4~ type structure
Choisnet, J; Archaimbault, F; Crespin, M; Chezina, N; Zvereva, I; European Journal of Solid State Inorganic Chemistry 30 (1993) 619–628; doi:

data_1001546
_publ_section_title
;
Crystal chemistry of the diluted solid solution YCaCr~x~Al~1-
x~O~4~(x<=0.07) at 1273K: reversed trends in the anisotropy of the
K~2~NiF~4~ type structure
;
_journal_coden_ASTM              EJSCE5
_journal_name_full
;
European Journal of Solid State Inorganic Chemistry
;
_journal_page_first              619
_journal_page_last               628
_journal_volume                  30
_journal_year                    1993
_chemical_formula_structural     'Y Ca Al O4'
_chemical_formula_sum            'Al Ca O4 Y'
_chemical_name_systematic        'Yttrium calcium aluminium oxide'
_space_group_IT_number           139
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_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                   3.6750(5)
_cell_length_b                   3.6750(5)
_cell_length_c                   12.011(2)
_cell_volume                     162.2
_refine_ls_R_factor_all          0.027
_cod_database_code               1001546