LMucko/crystallography-open-database huggingface dataset:
The crystal structure of boron carbide
Clark, H.K.; Hoard, J.L.; Journal of the American Chemical Society 65 (1943) 2115–2119; doi:

data_4124697
_publ_section_title
;
 The crystal structure of boron carbide
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              2115
_journal_page_last               2119
_journal_volume                  65
_journal_year                    1943
_chemical_formula_sum            'C B4'
_chemical_name_systematic        'B4 C'
_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            9
_cell_length_a                   5.6
_cell_length_b                   5.6
_cell_length_c                   12.12
_cell_volume                     329.162
_citation_journal_id_ASTM        JACSAT
_cod_data_source_file            Clark_JACSAT_1943_446.cif
_cod_data_source_block           C1B4
_cod_original_cell_volume        329.1617
_cod_original_formula_sum        'C1 B4'
_cod_database_code               4124697
Neutron powder diffraction studies of transition metal hemicarbides M2 C1-x - II. In situ high temperature study on W2 C1-x and Mo2 C1-x
Epicier, T.; Dubois, J.; Esnouf, C.; Fantozzi, G.; Convert, P.; Acta Metallurgica 36 (1988) 1903–1921; doi:

data_1539795
_publ_section_title
;
 Neutron powder diffraction studies of transition metal hemicarbides M2
 C1-x - II. In situ high temperature study on W2 C1-x and Mo2 C1-x
;
_journal_name_full               'Acta Metallurgica'
_journal_page_first              1903
_journal_page_last               1921
_journal_volume                  36
_journal_year                    1988
_chemical_formula_sum            'C Mo2'
_chemical_name_systematic        'Mo2 C'
_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            4
_cell_length_a                   4.735
_cell_length_b                   6.025
_cell_length_c                   5.21
_cell_volume                     148.633
_citation_journal_id_ASTM        AMETAR
_cod_data_source_file            Epicier_AMETAR_1988_778.cif
_cod_data_source_block           C1Mo2
_cod_original_cell_volume        148.6328
_cod_original_formula_sum        'C1 Mo2'
_cod_database_code               1539795
The molecular structures of binuclear rhodium(II) complexes with different numbers of bridging sulphato-groups
Dikareva, L.M.; Zefirov, Yu.V.; Baranovskii, I.B.; Zhilyaev, A.N.; Porai-Koshits, M.A.; Zhurnal Neorganicheskoi Khimii 32 (1987) 118–125; doi:

data_1539796
_publ_section_title
;
 The molecular structures of binuclear rhodium(II) complexes with
 different numbers of bridging sulphato-groups
;
_journal_name_full               'Zhurnal Neorganicheskoi Khimii'
_journal_page_first              118
_journal_page_last               125
_journal_volume                  32
_journal_year                    1987
_chemical_formula_sum            'H12 Na4 O22 Rh2 S4'
_chemical_name_systematic        'Na4 (Rh2 (S O4)4 (H2 O)2) (H2 O)4'
_space_group_IT_number           4
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_cell_angle_alpha                90
_cell_angle_beta                 102.29
_cell_angle_gamma                90
_cell_formula_units_Z            1
_cell_length_a                   10.123
_cell_length_b                   7.503
_cell_length_c                   12.651
_cell_volume                     938.859
_citation_journal_id_ASTM        ZNOKAQ
_cod_data_source_file            Dikareva_ZNOKAQ_1987_327.cif
_cod_data_source_block           H12Na4O22Rh2S4
_cod_database_code               1539796
Chemical Unit Cosubstitution and Tuning of Photoluminescence in the Ca2(Al1-xMgx)(Al1-xSi1+x)O7:Eu2+ Phosphor
Zhiguo Xia; C.-G. Ma; Maxim Molokeev; Quanlin Liu; Karl Rickert; Kenneth Poeppelmeier; Journal of the American Chemical Society 137 (2015) 12494–12497; doi:10.1021/jacs.5b08315

data_4124698
_publ_section_title
;
 Chemical Unit Cosubstitution and Tuning of Photoluminescence in the
 Ca2(Al1-xMgx)(Al1-xSi1+x)O7:Eu2+ Phosphor
;
_journal_issue                   39
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12494
_journal_page_last               12497
_journal_paper_doi               10.1021/jacs.5b08315
_journal_volume                  137
_journal_year                    2015
_chemical_formula_moiety         'Al3 Mg0.50 O14 Si2.50, 4(Ca)'
_chemical_formula_sum            'Al3 Ca4 Mg0.5 O14 Si2.5'
_chemical_formula_weight         547.64
_space_group_IT_number           113
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P -4 2ab'
_symmetry_space_group_name_H-M   'P -4 21 m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            1
_cell_length_a                   7.69191(57)
_cell_length_b                   7.69191(57)
_cell_length_c                   5.04831(45)
_cell_measurement_temperature    300
_cell_volume                     298.69(4)
_diffrn_ambient_temperature      300
_diffrn_measurement_device_type
;
D8 ADVANCE Bruker
;
_diffrn_radiation_monochromator  none
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type
;
 Cu K\a~1~~2~
;
_exptl_absorpt_coefficient_mu    21.543
_exptl_crystal_density_diffrn    3.044445
_pd_char_colour
;
colourless
;
_pd_meas_2theta_range_inc        0.02
_pd_meas_2theta_range_max        140
_pd_meas_2theta_range_min        5
_pd_meas_scan_method             step
_pd_proc_ls_pref_orient_corr
;
no preferred orientation correction
;
_pd_proc_ls_profile_function     PearsonVII
_pd_proc_ls_prof_R_factor        14.072
_pd_proc_ls_prof_wR_expected     13.939
_pd_proc_ls_prof_wR_factor       18.758
_pd_proc_number_of_points        6750
_pd_spec_mount_mode              reflection
_refine_ls_goodness_of_fit_all   1.346
_refine_ls_R_I_factor            4.32
_refine_ls_shift/su_max          0.01000
_cod_data_source_file            Ca8MgAl6Si5O28.cif
_cod_data_source_block           a
_cod_original_cell_volume        298.686(52)
_cod_original_sg_symbol_Hall
;
P -4 2ab
;
_cod_original_sg_symbol_H-M      P-421m
_cod_original_formula_sum
;
Al3 Ca4 Mg0.50 O14 Si2.50
;
_cod_database_code               4124698
_cod_database_fobs_code          4124698
Electronic and magnetic properties of X2 Mn1-x Vx Si (X= Fe and Co)
Fujii, S.; Ishida, S.; Asano, S.; Journal of the Physical Society of Japan 63 (1994) 1881–1888; doi:

data_1539797
_publ_section_title
;
 Electronic and magnetic properties of X2 Mn1-x Vx Si (X= Fe and Co)
;
_journal_name_full               'Journal of the Physical Society of Japan'
_journal_page_first              1881
_journal_page_last               1888
_journal_volume                  63
_journal_year                    1994
_chemical_formula_sum            'Co2 Mn Si'
_space_group_IT_number           225
_symmetry_space_group_name_Hall  '-F 4 2 3'
_symmetry_space_group_name_H-M   'F m -3 m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.62
_cell_length_b                   5.62
_cell_length_c                   5.62
_cell_volume                     177.504
_citation_journal_id_ASTM        JUPSAU
_cod_data_source_file            Fujii_JUPSAU_1994_1116.cif
_cod_data_source_block           Co2Mn1Si1
_cod_original_cell_volume        177.5043
_cod_original_formula_sum        'Co2 Mn1 Si1'
_cod_database_code               1539797
Single-crystal x-ray diffraction study on Ce1-x LaxB6 solid solutions
Blomberg, M.K.; Merisalo, M.J.; Korsukova, M.M.; Gurin, V.N.; Journal of the Less-Common Metals 168 (1991) 313–319; doi:

data_1539798
_publ_section_title
;
 Single-crystal x-ray diffraction study on Ce1-x LaxB6 solid solutions
;
_journal_name_full               'Journal of the Less-Common Metals'
_journal_page_first              313
_journal_page_last               319
_journal_volume                  168
_journal_year                    1991
_chemical_formula_sum            'B5.46 Ce0.32 La0.68'
_chemical_name_systematic        'Ce.32 La.68 B5.46'
_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                   4.152
_cell_length_b                   4.152
_cell_length_c                   4.152
_cell_volume                     71.577
_citation_journal_id_ASTM        JCOMAH
_cod_data_source_file            Blomberg_JCOMAH_1991_1468.cif
_cod_data_source_block           B5.46Ce0.32La0.68
_cod_original_cell_volume        71.57676
_cod_database_code               1539798
Kristallchemische Untersuchung der Mischungsreihe Ni3 Pb2 S2 - Ni3 Pb2 Se2 sowie eine Bemerkung zur Shandit-Struktur
Clauss, A.; Warasteh, M.; Weber, K.; Neues Jahrbuch fuer Mineralogie. Monatshefte (Band=Jahr) (1950-) 1978 (1978) 256–268; doi:

data_1539799
_publ_section_title
;
 Kristallchemische Untersuchung der Mischungsreihe Ni3 Pb2 S2 - Ni3 Pb2
 Se2 sowie eine Bemerkung zur Shandit-Struktur
;
_journal_name_full
;
Neues Jahrbuch fuer Mineralogie. Monatshefte (Band=Jahr) (1950-)
;
_journal_page_first              256
_journal_page_last               268
_journal_volume                  1978
_journal_year                    1978
_chemical_formula_sum            'Ni3 S2 Sn2'
_chemical_name_systematic        'Ni3 Sn2 S2'
_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                   5.464
_cell_length_b                   5.464
_cell_length_c                   13.196
_cell_volume                     341.188
_citation_journal_id_ASTM        NJMMAW
_cod_data_source_file            Clauss_NJMMAW_1978_438.cif
_cod_data_source_block           Ni3S2Sn2
_cod_original_cell_volume        341.1885
_cod_database_code               1539799
A new uranium based compound with a cubic structure: UNi0.8 Pt0.2
Espeso, J.I.; Lester, C.; Galez, P.; Paccard, L.; Paccard, D.; McEwen, K.A.; Allemand, J.; Gomez Sal, J.C.; Knight, K.S.; Solid State Communications 92 (1994) 389–392; doi:

data_1539800
_publ_section_title
;
 A new uranium based compound with a cubic structure: UNi0.8 Pt0.2
;
_journal_name_full               'Solid State Communications'
_journal_page_first              389
_journal_page_last               392
_journal_volume                  92
_journal_year                    1994
_chemical_formula_sum            'Ni6.24 Pt1.84 U8.08'
_chemical_name_systematic        '(Ni4 Pt U5)1.6'
_space_group_IT_number           227
_symmetry_space_group_name_Hall  'F 4d 2 3 -1d'
_symmetry_space_group_name_H-M   'F d -3 m :1'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            1
_cell_length_a                   6.329
_cell_length_b                   6.329
_cell_length_c                   6.329
_cell_volume                     253.516
_citation_journal_id_ASTM        SSCOA4
_cod_data_source_file            Espeso_SSCOA4_1994_1107.cif
_cod_data_source_block           Ni6.24Pt1.84U8.08
_cod_original_cell_volume        253.5159
_cod_original_sg_symbol_Hall     '-F 4vw 2vw 3 (x+1/8,y+1/8,z+1/8)'
_cod_database_code               1539800
Die Kristallstruktur von Galchait (Hg0.76 (Cu, Zn)0.24)12 Tl0.96 (As S3)8
Divjakovic, V.; Nowacki, W.; Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (145,1977-148,1979) 142 (1975) 262–270; doi:

data_8104298
_publ_section_title
;
 Die Kristallstruktur von Galchait (Hg0.76 (Cu, Zn)0.24)12 Tl0.96 (As S3)8
;
_journal_name_full
;
Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, 
Kristallchemie (145,1977-148,1979)
;
_journal_page_first              262
_journal_page_last               270
_journal_volume                  142
_journal_year                    1975
_chemical_formula_sum            'As8 Cu1.44 Hg9.12 S24 Tl0.96 Zn1.44'
_chemical_name_systematic        'Tl0.96 Hg9.12 Cu1.44 Zn1.44 As8 S24'
_space_group_IT_number           217
_symmetry_space_group_name_Hall  'I -4 2 3'
_symmetry_space_group_name_H-M   'I -4 3 m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            1
_cell_length_a                   10.379
_cell_length_b                   10.379
_cell_length_c                   10.379
_cell_volume                     1118.064
_citation_journal_id_ASTM        ZKKKAJ
_cod_data_source_file            Divjakovic_ZKKKAJ_1975_467.cif
_cod_data_source_block           As8Cu1.44Hg9.12S24Tl0.96Zn1.44
_cod_database_code               8104298
Crystal structure of (N H4)3 H (S O4)2 in phase I
Fukami, T.; Horiuchi, K.; Nakasone, K.; Furukawa, K.; Japanese Journal of Applied Physics, Part 1 35 (1996) 2253–2254; doi:

data_1539801
_publ_section_title
;
 Crystal structure of (N H4)3 H (S O4)2 in phase I
;
_journal_name_full               'Japanese Journal of Applied Physics, Part 1'
_journal_page_first              2253
_journal_page_last               2254
_journal_volume                  35
_journal_year                    1996
_chemical_formula_sum            'H13 N3 O8 S2'
_chemical_name_systematic        '(N H4)3 H (S O4)2'
_space_group_IT_number           148
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   5.907
_cell_length_b                   5.907
_cell_length_c                   22.549
_cell_volume                     681.384
_citation_journal_id_ASTM        JAPNDE
_cod_data_source_file            Fukami_JAPNDE_1996_1743.cif
_cod_data_source_block           H13N3O8S2
_cod_original_cell_volume        681.3839
_cod_database_code               1539801
Contribution a l'etude des borures a teneur elevee en bore
Blum, P.; Bertaut, F.; Acta Crystallographica (1,1948-23,1967) 7 (1954) 81–86; doi:

data_2311004
_publ_section_title
;
 Contribution a l'etude des borures a teneur elevee en bore
;
_journal_name_full               'Acta Crystallographica (1,1948-23,1967)'
_journal_page_first              81
_journal_page_last               86
_journal_volume                  7
_journal_year                    1954
_chemical_formula_sum            'B6 Nd'
_chemical_name_systematic        'Nd B6'
_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                   4.1284
_cell_length_b                   4.1284
_cell_length_c                   4.1284
_cell_volume                     70.363
_citation_journal_id_ASTM        ACCRA9
_cod_data_source_file            Blum_ACCRA9_1954_1184.cif
_cod_data_source_block           B6Nd1
_cod_original_cell_volume        70.36315
_cod_original_formula_sum        'B6 Nd1'
_cod_database_code               2311004
Chemical Unit Cosubstitution and Tuning of Photoluminescence in the Ca2(Al1-xMgx)(Al1-xSi1+x)O7:Eu2+ Phosphor
Zhiguo Xia; C.-G. Ma; Maxim Molokeev; Quanlin Liu; Karl Rickert; Kenneth Poeppelmeier; Journal of the American Chemical Society 137 (2015) 12494–12497; doi:10.1021/jacs.5b08315

data_4124699
_publ_section_title
;
 Chemical Unit Cosubstitution and Tuning of Photoluminescence in the
 Ca2(Al1-xMgx)(Al1-xSi1+x)O7:Eu2+ Phosphor
;
_journal_issue                   39
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12494
_journal_page_last               12497
_journal_paper_doi               10.1021/jacs.5b08315
_journal_volume                  137
_journal_year                    2015
_chemical_formula_moiety         'Al2 O7 Si, 2(Ca)'
_chemical_formula_sum            'Al2 Ca2 O7 Si'
_chemical_formula_weight         274.21
_space_group_IT_number           113
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P -4 2ab'
_symmetry_space_group_name_H-M   'P -4 21 m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.67231(34)
_cell_length_b                   7.67231(34)
_cell_length_c                   5.05923(27)
_cell_measurement_temperature    300
_cell_volume                     297.81(2)
_diffrn_ambient_temperature      300
_diffrn_measurement_device_type
;
D8 ADVANCE Bruker
;
_diffrn_radiation_monochromator  none
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type
;
 Cu K\a~1~~2~
;
_exptl_absorpt_coefficient_mu    21.583
_exptl_crystal_density_diffrn    3.057806
_pd_char_colour
;
colourless
;
_pd_meas_2theta_range_inc        0.02
_pd_meas_2theta_range_max        140
_pd_meas_2theta_range_min        5
_pd_meas_scan_method             step
_pd_proc_ls_pref_orient_corr
;
no preferred orientation correction
;
_pd_proc_ls_profile_function     PearsonVII
_pd_proc_ls_prof_R_factor        11.509
_pd_proc_ls_prof_wR_expected     13.776
_pd_proc_ls_prof_wR_factor       15.334
_pd_proc_number_of_points        6750
_pd_spec_mount_mode              reflection
_refine_ls_goodness_of_fit_all   1.113
_refine_ls_R_I_factor            3.71
_refine_ls_shift/su_max          0.01000
_cod_data_source_file            Ca2Al2SiO7.cif
_cod_data_source_block           a
_cod_original_cell_volume        297.808(31)
_cod_original_sg_symbol_Hall
;
P -4 2ab
;
_cod_original_sg_symbol_H-M      P-421m
_cod_original_formula_sum
;
Al2 Ca2 O7 Si
;
_cod_database_code               4124699
_cod_database_fobs_code          4124699
Structure cristalline de La32,66 M11 S6 (M= Mn, Fe)
Collin, G.; Laruelle, P.; Acta Crystallographica B (24,1968-38,1982) 30 (1974) 1134–1139; doi:

data_2107231
_publ_section_title
;
 Structure cristalline de La32,66 M11 S6 (M= Mn, Fe)
;
_journal_name_full               'Acta Crystallographica B (24,1968-38,1982)'
_journal_page_first              1134
_journal_page_last               1139
_journal_volume                  30
_journal_year                    1974
_chemical_formula_sum            'La2.98364 Mn S5.45455'
_chemical_name_systematic        'La3 Mn S6'
_space_group_IT_number           8
_symmetry_space_group_name_Hall  'C -2y'
_symmetry_space_group_name_H-M   'C 1 m 1'
_cell_angle_alpha                90
_cell_angle_beta                 143.3
_cell_angle_gamma                90
_cell_formula_units_Z            11
_cell_length_a                   16.65
_cell_length_b                   14.082
_cell_length_c                   17.82
_cell_volume                     2496.980
_citation_journal_id_ASTM        ACBCAR
_cod_data_source_file            Collin_ACBCAR_1974_294.cif
_cod_data_source_block           La2.98364Mn1S5.45455
_cod_original_cell_volume        2496.98
_cod_original_formula_sum        'La2.98364 Mn1 S5.45455'
_cod_database_code               2107231
The crystal structure of Tl2 [Ge2 S4], a ternary thallium(I) sulphide with divalent and tetravalent germanium
Eulenberger, G.; Journal of the Less-Common Metals 108 (1985) 65–72; doi:

data_1539802
_publ_section_title
;
 The crystal structure of Tl2 [Ge2 S4], a ternary thallium(I) sulphide
 with divalent and tetravalent germanium
;
_journal_name_full               'Journal of the Less-Common Metals'
_journal_page_first              65
_journal_page_last               72
_journal_volume                  108
_journal_year                    1985
_chemical_formula_sum            'Ge S2 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_formula_units_Z            8
_cell_length_a                   8.824
_cell_length_b                   6.633
_cell_length_c                   13.977
_cell_volume                     818.068
_citation_journal_id_ASTM        JCOMAH
_cod_data_source_file            Eulenberger_JCOMAH_1985_321.cif
_cod_data_source_block           Ge1S2Tl1
_cod_original_cell_volume        818.0681
_cod_original_formula_sum        'Ge1 S2 Tl1'
_cod_database_code               1539802
Die Kristallstruktur von Imhofit, Tl5.6 As15 S25.3
Divjakovic, V.; Nowacki, W.; Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (145,1977-148,1979) 144 (1976) 323–333; doi:

data_8104299
_publ_section_title
;
 Die Kristallstruktur von Imhofit, Tl5.6 As15 S25.3
;
_journal_name_full
;
Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, 
Kristallchemie (145,1977-148,1979)
;
_journal_page_first              323
_journal_page_last               333
_journal_volume                  144
_journal_year                    1976
_chemical_formula_sum            'As15 S25.32 Tl5.6'
_chemical_name_systematic        'Tl5.6 As15 S25.32'
_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                 109.69
_cell_angle_gamma                90
_cell_formula_units_Z            1
_cell_length_a                   5.739
_cell_length_b                   24.425
_cell_length_c                   8.822
_cell_volume                     1164.318
_citation_journal_id_ASTM        ZKKKAJ
_cod_data_source_file            Divjakovic_ZKKKAJ_1976_261.cif
_cod_data_source_block           As15S25.32Tl5.6
_cod_database_code               8104299
X-ray study of crystal structure of (N H4) H2 As O4 in the paraelectric and antiferroelectric phases
Fukami, T.; Physica Status Solidi, Sectio A: Applied Research 121 (1990) 383–389; doi:

data_1539803
_publ_section_title
;
 X-ray study of crystal structure of (N H4) H2 As O4 in the paraelectric
 and antiferroelectric phases
;
_journal_name_full
'Physica Status Solidi, Sectio A: Applied Research'
_journal_page_first              383
_journal_page_last               389
_journal_volume                  121
_journal_year                    1990
_chemical_formula_sum            'As H6 N O4'
_chemical_name_systematic        '(N H4) (H2 As O4)'
_space_group_IT_number           122
_symmetry_space_group_name_Hall  'I -4 2bw'
_symmetry_space_group_name_H-M   'I -4 2 d'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.702
_cell_length_b                   7.702
_cell_length_c                   7.715
_cell_volume                     457.660
_citation_journal_id_ASTM        PSSABA
_cod_data_source_file            Fukami_PSSABA_1990_1436.cif
_cod_data_source_block           H6As1N1O4
_cod_original_cell_volume        457.66
_cod_original_formula_sum        'H6 As1 N1 O4'
_cod_database_code               1539803