LMucko/crystallography-open-database huggingface dataset:
A single crystal study of alpha-(Ce Ir2 Si2), beta-(Ce Ir2 Si2) and Ce Ir1.968(5) Ge2
Niepmann, D.; Poettgen, R.; Intermetallics 9 (2001) 313–318; doi:

data_1535978
_publ_section_title
;
 A single crystal study of alpha-(Ce Ir2 Si2), beta-(Ce Ir2 Si2) and Ce
 Ir1.968(5) Ge2
;
_journal_name_full               Intermetallics
_journal_page_first              313
_journal_page_last               318
_journal_volume                  9
_journal_year                    2001
_chemical_formula_sum            'Ce Ir2 Si2'
_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                   4.0882
_cell_length_b                   4.0882
_cell_length_c                   10.1696
_cell_volume                     169.968
_citation_journal_id_ASTM        IERME5
_cod_data_source_file            Niepmann_IERME5_2001_79.cif
_cod_data_source_block           Ce1Ir2Si2
_cod_original_cell_volume        169.9684
_cod_original_formula_sum        'Ce1 Ir2 Si2'
_cod_database_code               1535978
Zur Kenntnis der inversen Perowskite M3 T O (M = Ca, Sr, Yb; T = Si, Ge, Sn, Pb)
Velden, A.; Jansen, M.; Zeitschrift fuer Anorganische und Allgemeine Chemie 630 (2004) 234–238; doi:

data_1535979
_publ_section_title
;
 Zur Kenntnis der inversen Perowskite M3 T O (M = Ca, Sr, Yb; T = Si, Ge,
 Sn, Pb)
;
_journal_name_full
'Zeitschrift fuer Anorganische und Allgemeine Chemie'
_journal_page_first              234
_journal_page_last               238
_journal_volume                  630
_journal_year                    2004
_chemical_formula_sum            'Ge O Yb3'
_chemical_name_systematic        'Yb3 Ge O'
_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                   6.7203
_cell_length_b                   6.7083
_cell_length_c                   9.5128
_cell_volume                     428.854
_citation_journal_id_ASTM        ZAACAB
_cod_data_source_file            Velden_ZAACAB_2004_1190.cif
_cod_data_source_block           Ge1O1Yb3
_cod_original_cell_volume        428.8541
_cod_original_sg_symbol_Hall     '-P 2ac 2n (z,x,y)'
_cod_original_formula_sum        'Ge1 O1 Yb3'
_cod_database_code               1535979
Tetracyanometallates with complex dien cations: (Ni (dien)2) (Ni (C N)4) x 2(H2 O) and (Ni (dien)2) (Pd (C N)4)
Cernak, J.; Paharova, J.; Skorepa, J.; Massa, W.; Zeitschrift fuer Anorganische und Allgemeine Chemie 628 (2002) 344–348; doi:

data_1535980
_publ_section_title
;
 Tetracyanometallates with complex dien cations: (Ni (dien)2) (Ni (C N)4)
 x 2(H2 O) and (Ni (dien)2) (Pd (C N)4)
;
_journal_name_full
'Zeitschrift fuer Anorganische und Allgemeine Chemie'
_journal_page_first              344
_journal_page_last               348
_journal_volume                  628
_journal_year                    2002
_chemical_formula_sum            'C12 H30 N10 Ni2 O2'
_chemical_name_systematic        '(Ni (C4 N3 H13)2) (Ni (C N)4) (H2 O)2'
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                77.424
_cell_angle_beta                 88.961
_cell_angle_gamma                61.332
_cell_formula_units_Z            2
_cell_length_a                   8.8038
_cell_length_b                   8.842
_cell_length_c                   15.885
_cell_volume                     1053.533
_citation_journal_id_ASTM        ZAACAB
_cod_data_source_file            Cernak_ZAACAB_2002_285.cif
_cod_data_source_block           C12H30N10Ni2O2
_cod_database_code               1535980
Crystal structure of disodium europium(II) cyclohexasilicate, Na6 Eu2 (Si6 O18)
Jacobsen, H.; Meyer, G.; Zeitschrift fuer Kristallographie (149,1979-) 210 (1995) 363–363; doi:

data_8104031
_publ_section_title
;
 Crystal structure of disodium europium(II) cyclohexasilicate, Na6 Eu2
 (Si6 O18)
;
_journal_name_full
'Zeitschrift fuer Kristallographie (149,1979-)'
_journal_page_first              363
_journal_page_last               363
_journal_volume                  210
_journal_year                    1995
_chemical_formula_sum            'Eu3 Na6 O18 Si6'
_chemical_name_systematic        'Na6 Eu3 (Si6 O18)'
_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            3
_cell_length_a                   10.6816
_cell_length_b                   10.6816
_cell_length_c                   13.487
_cell_volume                     1332.658
_citation_journal_id_ASTM        ZEKRDZ
_cod_data_source_file            Jacobsen_ZEKRDZ_1995_1631.cif
_cod_data_source_block           Eu3Na6O18Si6
_cod_database_code               8104031
The crystal structure and lattice parameters of some rare earth mono-seleno oxides
Eick, H.A.; Acta Crystallographica (1,1948-23,1967) 13 (1960) 161–161; doi:

data_2310834
_publ_section_title
;
 The crystal structure and lattice parameters of some rare earth
 mono-seleno oxides
;
_journal_name_full               'Acta Crystallographica (1,1948-23,1967)'
_journal_page_first              161
_journal_page_last               161
_journal_volume                  13
_journal_year                    1960
_chemical_formula_sum            'O2 Se Sm2'
_chemical_name_systematic        'Sm2 O2 Se'
_space_group_IT_number           164
_symmetry_space_group_name_Hall  '-P 3 2"'
_symmetry_space_group_name_H-M   'P -3 m 1'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            1
_cell_length_a                   3.916
_cell_length_b                   3.916
_cell_length_c                   6.912
_cell_volume                     91.795
_citation_journal_id_ASTM        ACCRA9
_cod_data_source_file            Eick_ACCRA9_1960_989.cif
_cod_data_source_block           O2Se1Sm2
_cod_original_cell_volume        91.79514
_cod_original_formula_sum        'O2 Se1 Sm2'
_cod_database_code               2310834
Zur Kenntnis der inversen Perowskite M3 T O (M = Ca, Sr, Yb; T = Si, Ge, Sn, Pb)
Velden, A.; Jansen, M.; Zeitschrift fuer Anorganische und Allgemeine Chemie 630 (2004) 234–238; doi:

data_1535981
_publ_section_title
;
 Zur Kenntnis der inversen Perowskite M3 T O (M = Ca, Sr, Yb; T = Si, Ge,
 Sn, Pb)
;
_journal_name_full
'Zeitschrift fuer Anorganische und Allgemeine Chemie'
_journal_page_first              234
_journal_page_last               238
_journal_volume                  630
_journal_year                    2004
_chemical_formula_sum            'O Sn Yb3'
_chemical_name_systematic        'Yb3 Sn O'
_space_group_IT_number           221
_symmetry_space_group_name_Hall  '-P 4 2 3'
_symmetry_space_group_name_H-M   'P m -3 m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            1
_cell_length_a                   4.83683
_cell_length_b                   4.83683
_cell_length_c                   4.83683
_cell_volume                     113.157
_citation_journal_id_ASTM        ZAACAB
_cod_data_source_file            Velden_ZAACAB_2004_1191.cif
_cod_data_source_block           O1Sn1Yb3
_cod_original_cell_volume        113.1573
_cod_original_formula_sum        'O1 Sn1 Yb3'
_cod_database_code               1535981
Structure of iron-rich compounds in the Yb-Fe-Al system
Cerny, R.; Pacheco, V.; Yanson, T.; Manyako, M.; Bodak, O.; Zeitschrift fuer Kristallographie (149,1979-) 218 (2003) 802–810; doi:

data_8104032
_publ_section_title
;
 Structure of iron-rich compounds in the Yb-Fe-Al system
;
_journal_name_full
'Zeitschrift fuer Kristallographie (149,1979-)'
_journal_page_first              802
_journal_page_last               810
_journal_volume                  218
_journal_year                    2003
_chemical_formula_sum            'Fe17.3 Yb1.85'
_chemical_name_systematic        'Yb1.85 Fe17.3'
_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_formula_units_Z            2
_cell_length_a                   8.413
_cell_length_b                   8.413
_cell_length_c                   8.297
_cell_volume                     508.573
_citation_journal_id_ASTM        ZEKRDZ
_cod_data_source_file            Cerny_ZEKRDZ_2003_1474.cif
_cod_data_source_block           Fe17.3Yb1.85
_cod_original_cell_volume        508.5732
_cod_database_code               8104032
A powder neutron and x-ray diffraction determination of the structure of Ba3 Ta2 Zn O9: an investigation of Perovskite phases in the system Ba-Ta-Zn-O and the preparation of Ba2 Ta Cd O5.5 and Ba2 Ce In O5.5.
Jacobson, A.J.; Collins, B.M.; Fender, B.E.F.; Acta Crystallographica B (24,1968-38,1982) 32 (1976) 1083–1087; doi:

data_2106914
_publ_section_title
;
 A powder neutron and x-ray diffraction determination of the structure of
 Ba3 Ta2 Zn O9: an investigation of Perovskite phases in the system
 Ba-Ta-Zn-O and the preparation of Ba2 Ta Cd O5.5 and Ba2 Ce In O5.5.
;
_journal_name_full               'Acta Crystallographica B (24,1968-38,1982)'
_journal_page_first              1083
_journal_page_last               1087
_journal_volume                  32
_journal_year                    1976
_chemical_formula_sum            'Ba3 O9 Ta2 Zn'
_chemical_name_systematic        'Ba3 Ta2 Zn O9'
_space_group_IT_number           164
_symmetry_space_group_name_Hall  '-P 3 2"'
_symmetry_space_group_name_H-M   'P -3 m 1'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            1
_cell_length_a                   5.78
_cell_length_b                   5.78
_cell_length_c                   7.104
_cell_volume                     205.537
_citation_journal_id_ASTM        ACBCAR
_cod_data_source_file            Jacobson_ACBCAR_1976_316.cif
_cod_data_source_block           Ba3O9Ta2Zn1
_cod_original_cell_volume        205.5367
_cod_original_formula_sum        'Ba3 O9 Ta2 Zn1'
_cod_database_code               2106914
A single crystal study of alpha-(Ce Ir2 Si2), beta-(Ce Ir2 Si2) and Ce Ir1.968(5) Ge2
Niepmann, D.; Poettgen, R.; Intermetallics 9 (2001) 313–318; doi:

data_1535982
_publ_section_title
;
 A single crystal study of alpha-(Ce Ir2 Si2), beta-(Ce Ir2 Si2) and Ce
 Ir1.968(5) Ge2
;
_journal_name_full               Intermetallics
_journal_page_first              313
_journal_page_last               318
_journal_volume                  9
_journal_year                    2001
_chemical_formula_sum            'Ce Ge2 Ir1.968'
_chemical_name_systematic        'Ce Ir1.968 Ge2'
_space_group_IT_number           129
_symmetry_space_group_name_Hall  '-P 4a 2a'
_symmetry_space_group_name_H-M   'P 4/n m m :2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   4.2395
_cell_length_b                   4.2395
_cell_length_c                   10.101
_cell_volume                     181.549
_citation_journal_id_ASTM        IERME5
_cod_data_source_file            Niepmann_IERME5_2001_81.cif
_cod_data_source_block           Ce1Ge2Ir1.968
_cod_original_cell_volume        181.5489
_cod_original_formula_sum        'Ce1 Ge2 Ir1.968'
_cod_database_code               1535982
The crystal structure and lattice parameters of some rare earth mono-seleno oxides
Eick, H.A.; Acta Crystallographica (1,1948-23,1967) 13 (1960) 161–161; doi:

data_2310835
_publ_section_title
;
 The crystal structure and lattice parameters of some rare earth
 mono-seleno oxides
;
_journal_name_full               'Acta Crystallographica (1,1948-23,1967)'
_journal_page_first              161
_journal_page_last               161
_journal_volume                  13
_journal_year                    1960
_chemical_formula_sum            'Gd2 O2 Se'
_space_group_IT_number           164
_symmetry_space_group_name_Hall  '-P 3 2"'
_symmetry_space_group_name_H-M   'P -3 m 1'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            1
_cell_length_a                   3.873
_cell_length_b                   3.873
_cell_length_c                   6.854
_cell_volume                     89.037
_citation_journal_id_ASTM        ACCRA9
_cod_data_source_file            Eick_ACCRA9_1960_990.cif
_cod_data_source_block           Gd2O2Se1
_cod_original_cell_volume        89.03683
_cod_original_formula_sum        'Gd2 O2 Se1'
_cod_database_code               2310835
Zur Kenntnis der inversen Perowskite M3 T O (M = Ca, Sr, Yb; T = Si, Ge, Sn, Pb)
Velden, A.; Jansen, M.; Zeitschrift fuer Anorganische und Allgemeine Chemie 630 (2004) 234–238; doi:

data_1535983
_publ_section_title
;
 Zur Kenntnis der inversen Perowskite M3 T O (M = Ca, Sr, Yb; T = Si, Ge,
 Sn, Pb)
;
_journal_name_full
'Zeitschrift fuer Anorganische und Allgemeine Chemie'
_journal_page_first              234
_journal_page_last               238
_journal_volume                  630
_journal_year                    2004
_chemical_formula_sum            'O Pb Yb3'
_chemical_name_systematic        'Yb3 Pb O'
_space_group_IT_number           221
_symmetry_space_group_name_Hall  '-P 4 2 3'
_symmetry_space_group_name_H-M   'P m -3 m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            1
_cell_length_a                   4.85867
_cell_length_b                   4.85867
_cell_length_c                   4.85867
_cell_volume                     114.697
_citation_journal_id_ASTM        ZAACAB
_cod_data_source_file            Velden_ZAACAB_2004_1192.cif
_cod_data_source_block           O1Pb1Yb3
_cod_original_cell_volume        114.6971
_cod_original_formula_sum        'O1 Pb1 Yb3'
_cod_database_code               1535983
Structure of iron-rich compounds in the Yb-Fe-Al system
Cerny, R.; Pacheco, V.; Yanson, T.; Manyako, M.; Bodak, O.; Zeitschrift fuer Kristallographie (149,1979-) 218 (2003) 802–810; doi:

data_8104033
_publ_section_title
;
 Structure of iron-rich compounds in the Yb-Fe-Al system
;
_journal_name_full
'Zeitschrift fuer Kristallographie (149,1979-)'
_journal_page_first              802
_journal_page_last               810
_journal_volume                  218
_journal_year                    2003
_chemical_formula_sum            'Al1.36 Fe15.68 Yb1.98'
_chemical_name_systematic        'Yb1.98 Fe15.68 Al1.36'
_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_formula_units_Z            2
_cell_length_a                   8.5551
_cell_length_b                   8.5551
_cell_length_c                   8.421
_cell_volume                     533.758
_citation_journal_id_ASTM        ZEKRDZ
_cod_data_source_file            Cerny_ZEKRDZ_2003_1475.cif
_cod_data_source_block           Al1.36Fe15.68Yb1.98
_cod_original_cell_volume        533.7581
_cod_database_code               8104033
Structure and Properties of the Stannides CeAuSn, Ce3Rh4Sn13, and Ce3Ir4Sn13
Niepmann, D.; Poettgen, R.; Poduska, K.M.; Trill, H.; DiSalvo, F.J.; Mosel, B.D.; Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische Chemie (42,1987-) 56 (2001) 1–8; doi:

data_7222651
_publ_section_title
;
 Structure and Properties of the Stannides CeAuSn, Ce3Rh4Sn13, and
 Ce3Ir4Sn13
;
_journal_name_full
;
Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische 
Chemie (42,1987-)
;
_journal_page_first              1
_journal_page_last               8
_journal_volume                  56
_journal_year                    2001
_chemical_formula_sum            'Ce3 Ir4 Sn12.76'
_space_group_IT_number           223
_symmetry_space_group_name_Hall  '-P 4n 2 3'
_symmetry_space_group_name_H-M   'P m -3 n'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.7229
_cell_length_b                   9.7229
_cell_length_c                   9.7229
_cell_volume                     919.152
_citation_journal_id_ASTM        ZNBSEN
_cod_data_source_file            Niepmann_ZNBSEN_2001_10.cif
_cod_data_source_block           Ce3Ir4Sn12.76
_cod_original_cell_volume        919.1523
_cod_database_code               7222651
The crystal structure and lattice parameters of some rare earth mono-seleno oxides
Eick, H.A.; Acta Crystallographica (1,1948-23,1967) 13 (1960) 161–161; doi:

data_2310836
_publ_section_title
;
 The crystal structure and lattice parameters of some rare earth
 mono-seleno oxides
;
_journal_name_full               'Acta Crystallographica (1,1948-23,1967)'
_journal_page_first              161
_journal_page_last               161
_journal_volume                  13
_journal_year                    1960
_chemical_formula_sum            'Ho2 O2 Se'
_space_group_IT_number           164
_symmetry_space_group_name_Hall  '-P 3 2"'
_symmetry_space_group_name_H-M   'P -3 m 1'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            1
_cell_length_a                   3.807
_cell_length_b                   3.807
_cell_length_c                   6.766
_cell_volume                     84.924
_citation_journal_id_ASTM        ACCRA9
_cod_data_source_file            Eick_ACCRA9_1960_991.cif
_cod_data_source_block           Ho2O2Se1
_cod_original_cell_volume        84.92359
_cod_original_formula_sum        'Ho2 O2 Se1'
_cod_database_code               2310836
Darstellung und Kristallstruktur von Antimon(V)oxidhydroxid H Sb3 O8
Jaeger, G.; Jones, P.G.; Sheldrick, G.M.; Schwarzmann, E.; Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische Chemie (33,1978-41,1986) 38 (1983) 698–701; doi:

data_7222652
_publ_section_title
;
 Darstellung und Kristallstruktur von Antimon(V)oxidhydroxid H Sb3 O8
;
_journal_name_full
;
Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische 
Chemie (33,1978-41,1986)
;
_journal_page_first              698
_journal_page_last               701
_journal_volume                  38
_journal_year                    1983
_chemical_formula_sum            'H O8 Sb3'
_chemical_name_systematic        'H Sb3 O8'
_space_group_IT_number           13
_symmetry_space_group_name_Hall  '-P 2yac'
_symmetry_space_group_name_H-M   'P 1 2/n 1'
_cell_angle_alpha                90
_cell_angle_beta                 90.25
_cell_angle_gamma                90
_cell_formula_units_Z            6
_cell_length_a                   9.456
_cell_length_b                   8.691
_cell_length_c                   9.909
_cell_volume                     814.335
_citation_journal_id_ASTM        ZNBAD2
_cod_data_source_file            Jaeger_ZNBAD2_1983_203.cif
_cod_data_source_block           H1O8Sb3
_cod_original_cell_volume        814.3347
_cod_original_sg_symbol_Hall     '-P 2yc (x-z,y,z)'
_cod_original_formula_sum        'H1 O8 Sb3'
_cod_database_code               7222652
Structure of iron-rich compounds in the Yb-Fe-Al system
Cerny, R.; Manyako, M.; Yanson, T.; Pacheco, V.; Bodak, O.; Zeitschrift fuer Kristallographie (149,1979-) 218 (2003) 802–810; doi:

data_8104034
_publ_section_title
;
 Structure of iron-rich compounds in the Yb-Fe-Al system
;
_journal_name_full
'Zeitschrift fuer Kristallographie (149,1979-)'
_journal_page_first              802
_journal_page_last               810
_journal_volume                  218
_journal_year                    2003
_chemical_formula_sum            'Al0.706 Fe4.914 Yb0.691'
_chemical_name_systematic        'Yb0.691 Fe4.914 Al0.706'
_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_formula_units_Z            2
_cell_length_a                   4.983
_cell_length_b                   4.983
_cell_length_c                   4.2229
_cell_volume                     90.808
_citation_journal_id_ASTM        ZEKRDZ
_cod_data_source_file            Cerny_ZEKRDZ_2003_1476.cif
_cod_data_source_block           Al0.706Fe4.914Yb0.691
_cod_original_cell_volume        90.8078
_cod_database_code               8104034
Ternary aluminides with the ideal composition A2 Pt6 Al15 (A= Y, Gd-Tm, Zr)
Niermann, J.; Jeitschko, W.; Zeitschrift fuer Anorganische und Allgemeine Chemie 630 (2004) 361–368; doi:

data_1535984
_publ_section_title
;
 Ternary aluminides with the ideal composition A2 Pt6 Al15 (A= Y, Gd-Tm,
 Zr)
;
_journal_name_full
'Zeitschrift fuer Anorganische und Allgemeine Chemie'
_journal_page_first              361
_journal_page_last               368
_journal_volume                  630
_journal_year                    2004
_chemical_formula_sum            'Al9.99 Pt4 Y1.357'
_chemical_name_systematic        'Y1.357 Pt4 Al9.99'
_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_formula_units_Z            1
_cell_length_a                   4.281
_cell_length_b                   4.281
_cell_length_c                   16.383
_cell_volume                     260.025
_citation_journal_id_ASTM        ZAACAB
_cod_data_source_file            Niermann_ZAACAB_2004_1227.cif
_cod_data_source_block           Al9.99Pt4Y1.357
_cod_original_cell_volume        260.0247
_cod_database_code               1535984
The crystal structure and lattice parameters of some rare earth mono-seleno oxides
Eick, H.A.; Acta Crystallographica (1,1948-23,1967) 13 (1960) 161–161; doi:

data_2310837
_publ_section_title
;
 The crystal structure and lattice parameters of some rare earth
 mono-seleno oxides
;
_journal_name_full               'Acta Crystallographica (1,1948-23,1967)'
_journal_page_first              161
_journal_page_last               161
_journal_volume                  13
_journal_year                    1960
_chemical_formula_sum            'Er2 O2 Se'
_space_group_IT_number           164
_symmetry_space_group_name_Hall  '-P 3 2"'
_symmetry_space_group_name_H-M   'P -3 m 1'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            1
_cell_length_a                   3.792
_cell_length_b                   3.792
_cell_length_c                   6.743
_cell_volume                     83.969
_citation_journal_id_ASTM        ACCRA9
_cod_data_source_file            Eick_ACCRA9_1960_993.cif
_cod_data_source_block           Er2O2Se1
_cod_original_cell_volume        83.96928
_cod_original_formula_sum        'Er2 O2 Se1'
_cod_database_code               2310837