LMucko/crystallography-open-database huggingface dataset:
Magnetic order in R Ag Ge (R = Gd - Er) intermetallic compounds
Hofmann, M.; Penc, B.; Baran, S.; Slaski, M.; Szytula, A.; Leciejewicz, J.; Journal of Alloys Compd. 281 (1998) 92–98; doi:10.1016/S0925-8388(98)00721-X

data_1509304
_publ_section_title
;
 Magnetic order in R Ag Ge (R = Gd - Er) intermetallic compounds
;
_journal_name_full               'Journal of Alloys Compd.'
_journal_page_first              92
_journal_page_last               98
_journal_paper_doi               10.1016/S0925-8388(98)00721-X
_journal_volume                  281
_journal_year                    1998
_chemical_formula_sum            'Ag Er Ge'
_chemical_name_systematic        'Er Ag Ge'
_space_group_IT_number           189
_symmetry_space_group_name_Hall  'P -6 -2'
_symmetry_space_group_name_H-M   'P -6 2 m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   7.0634
_cell_length_b                   7.0634
_cell_length_c                   4.1727
_cell_volume                     180.292
_citation_journal_id_ASTM        JALCEU
_cod_data_source_file            silver1-2_214.cif
_cod_data_source_block           Ag1Er1Ge1
_cod_original_cell_volume        180.2915
_cod_original_formula_sum        'Ag1 Er1 Ge1'
_cod_database_code               1509304
Ternary germanides Ln Ag Ge (Ln = Y, Sm, Gd - Lu) with ordered Fe2 P - type structure
Kremer, R.K.; Gibson, B.; Ziebeck, K.R.A.; Poettgen, R.; Simon, A.; Journal of Alloys Compd. 239 (1996) 34–40; doi:10.1016/0925-8388(96)02201-3

data_1509305
_publ_section_title
;
 Ternary germanides Ln Ag Ge (Ln = Y, Sm, Gd - Lu) with ordered Fe2 P -
 type structure
;
_journal_name_full               'Journal of Alloys Compd.'
_journal_page_first              34
_journal_page_last               40
_journal_paper_doi               10.1016/0925-8388(96)02201-3
_journal_volume                  239
_journal_year                    1996
_chemical_formula_sum            'Ag Er Ge'
_chemical_name_systematic        'Er Ag Ge'
_space_group_IT_number           189
_symmetry_space_group_name_Hall  'P -6 -2'
_symmetry_space_group_name_H-M   'P -6 2 m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   7.0649
_cell_length_b                   7.0649
_cell_length_c                   4.1665
_cell_volume                     180.100
_citation_journal_id_ASTM        JALCEU
_cod_data_source_file            silver1-2_215.cif
_cod_data_source_block           Ag1Er1Ge1
_cod_original_cell_volume        180.1001
_cod_original_formula_sum        'Ag1 Er1 Ge1'
_cod_database_code               1509305
Polymorphism of the double tungstates of rare earth elements with silver, Ag Ln (W O4)2
Klevtsov, P.V.; Klevtsova, R.F.; Maksin, V.I.; Golub, A.M.; Kristallografiya 21 (1976) 759–765; doi:

data_1509306
_publ_section_title
;
 Polymorphism of the double tungstates of rare earth elements with silver,
 Ag Ln (W O4)2
;
_journal_name_full               Kristallografiya
_journal_page_first              759
_journal_page_last               765
_journal_volume                  21
_journal_year                    1976
_chemical_formula_sum            'Ag Er O8 W2'
_chemical_name_systematic        'Ag Er (W O4)2'
_space_group_IT_number           12
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_cell_angle_alpha                90
_cell_angle_beta                 127
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.86
_cell_length_b                   10.67
_cell_length_c                   7.2
_cell_volume                     604.954
_citation_journal_id_ASTM        KRISAJ
_cod_data_source_file            silver1-2_216.cif
_cod_data_source_block           Ag1Er1O8W2
_cod_original_cell_volume        604.9541
_cod_original_formula_sum        'Ag1 Er1 O8 W2'
_cod_database_code               1509306
Lattice parameters of R Ag Pb alloys (R=rare earth element)
Mazzone, D.; Borzone, G.; Ferro, R.; Rossi, D.; Journal of the Less-Common Metals 94 (1983) L5–L7; doi:10.1016/0022-5088(83)90162-5

data_1509307
_publ_section_title
;
 Lattice parameters of R Ag Pb alloys (R=rare earth element)
;
_journal_name_full               'Journal of the Less-Common Metals'
_journal_page_first              L5
_journal_page_last               L7
_journal_paper_doi               10.1016/0022-5088(83)90162-5
_journal_volume                  94
_journal_year                    1983
_chemical_formula_sum            'Ag Er Pb'
_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                   4.721
_cell_length_b                   4.721
_cell_length_c                   7.38
_cell_volume                     142.448
_citation_journal_id_ASTM        JCOMAH
_cod_data_source_file            silver1-2_217.cif
_cod_data_source_block           Ag1Er1Pb1
_cod_original_cell_volume        142.4476
_cod_original_formula_sum        'Ag1 Er1 Pb1'
_cod_database_code               1509307
Une classe de nouveaux composes sulfures de terres rares et d'argent de type AgTS2
Ballestracci, R.; Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, Serie C, Sciences Chimiques (1966-) 262 (1966) 1253–1256; doi:

data_1509308
_publ_section_title
;
 Une classe de nouveaux composes sulfures de terres rares et d'argent de
 type AgTS2
;
_journal_name_full
;
Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, Serie C,
 Sciences Chimiques (1966-)
;
_journal_page_first              1253
_journal_page_last               1256
_journal_volume                  262
_journal_year                    1966
_chemical_formula_sum            'Ag Er S2'
_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            2
_cell_length_a                   5.512
_cell_length_b                   5.512
_cell_length_c                   5.512
_cell_volume                     167.466
_citation_journal_id_ASTM        CHDCAQ
_cod_data_source_file            silver1-2_218.cif
_cod_data_source_block           Ag1Er1S2
_cod_original_cell_volume        167.4664
_cod_original_formula_sum        'Ag1 Er1 S2'
_cod_database_code               1509308
Etude cristallographique des systemes formes entre les seleniures L2Se3 des terres rares et le seleniure d'argent
Guittard, M.; Julien-Pouzol, M.; Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, Serie C, Sciences Chimiques (1966-) 269 (1969) 316–319; doi:

data_1509309
_publ_section_title
;
 Etude cristallographique des systemes formes entre les seleniures L2Se3
 des terres rares et le seleniure d'argent
;
_journal_name_full
;
Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, Serie C,
 Sciences Chimiques (1966-)
;
_journal_page_first              316
_journal_page_last               319
_journal_volume                  269
_journal_year                    1969
_chemical_formula_sum            'Ag Er Se2'
_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            2
_cell_length_a                   5.744
_cell_length_b                   5.744
_cell_length_c                   5.744
_cell_volume                     189.515
_citation_journal_id_ASTM        CHDCAQ
_cod_data_source_file            silver1-2_219.cif
_cod_data_source_block           Ag1Er1Se2
_cod_original_cell_volume        189.5149
_cod_original_formula_sum        'Ag1 Er1 Se2'
_cod_database_code               1509309
Etude cristallochimique des combinaisons ternaires argent-terre rare-soufre ou selenium, situees le long des binaires Ag2 X - L2 X3
Julien-Pouzol, M.; Guittard, M.; Annales de Chimie (Paris) 1973 (1973) 139–145; doi:

data_1509310
_publ_section_title
;
 Etude cristallochimique des combinaisons ternaires argent-terre
 rare-soufre ou selenium, situees le long des binaires Ag2 X - L2 X3
;
_journal_name_full               'Annales de Chimie (Paris)'
_journal_page_first              139
_journal_page_last               145
_journal_volume                  1973
_journal_year                    1973
_chemical_formula_sum            'Ag Er Se2'
_space_group_IT_number           19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.87
_cell_length_b                   13.79
_cell_length_c                   4.17
_cell_volume                     395.055
_citation_journal_id_ASTM        ANCPAC
_cod_data_source_file            silver1-2_220.cif
_cod_data_source_block           Ag1Er1Se2
_cod_original_cell_volume        395.0545
_cod_original_formula_sum        'Ag1 Er1 Se2'
_cod_database_code               1509310
A contribution to the crystal chemistry of ternary 1:1:1 alloys: R Ag Sn and R Cu Tl compounds (R=rare earth)
Ferro, R.; Mazzone, D.; Marazza, R.; Rossi, D.; Journal of the Less-Common Metals 80 (1981) P47–P52; doi:10.1016/0022-5088(81)90100-4

data_1509311
_publ_section_title
;
 A contribution to the crystal chemistry of ternary 1:1:1 alloys: R Ag Sn
 and R Cu Tl compounds (R=rare earth)
;
_journal_name_full               'Journal of the Less-Common Metals'
_journal_page_first              P47
_journal_page_last               P52
_journal_paper_doi               10.1016/0022-5088(81)90100-4
_journal_volume                  80
_journal_year                    1981
_chemical_formula_sum            'Ag Er Sn'
_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                   4.661
_cell_length_b                   4.661
_cell_length_c                   7.291
_cell_volume                     137.175
_citation_journal_id_ASTM        JCOMAH
_cod_data_source_file            silver1-2_221.cif
_cod_data_source_block           Ag1Er1Sn1
_cod_original_cell_volume        137.1753
_cod_original_formula_sum        'Ag1 Er1 Sn1'
_cod_database_code               1509311
The crystal structures of Eu3 Ag2, Eu Ag and Eu Cu
Buschow, K.H.J.; van Vucht, J.H.N.; van den Hoogenhof, W.W.; Journal of the Less-Common Metals 75 (1980) P17–P22; doi:10.1016/0022-5088(80)90384-7

data_1509312
_publ_section_title
;
 The crystal structures of Eu3 Ag2, Eu Ag and Eu Cu
;
_journal_name_full               'Journal of the Less-Common Metals'
_journal_page_first              P17
_journal_page_last               P22
_journal_paper_doi               10.1016/0022-5088(80)90384-7
_journal_volume                  75
_journal_year                    1980
_chemical_formula_sum            'Ag Eu'
_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            4
_cell_length_a                   8.037
_cell_length_b                   4.764
_cell_length_c                   6.258
_cell_volume                     239.608
_citation_journal_id_ASTM        JCOMAH
_cod_data_source_file            silver1-2_222.cif
_cod_data_source_block           Ag1Eu1
_cod_original_formula_sum        'Ag1 Eu1'
_cod_database_code               1509312
Preparation and crystal structure of Eu Ag Ge
Poettgen, R.; Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische Chemie (42,1987-) 50 (1995) 1071–1074; doi:

data_7209334
_publ_section_title
;
 Preparation and crystal structure of Eu Ag Ge
;
_journal_name_full
;
Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische
 Chemie (42,1987-)
;
_journal_page_first              1071
_journal_page_last               1074
_journal_volume                  50
_journal_year                    1995
_chemical_formula_sum            'Ag Eu Ge'
_chemical_name_systematic        'Eu Ag Ge'
_space_group_IT_number           74
_symmetry_space_group_name_Hall  '-I 2b 2'
_symmetry_space_group_name_H-M   'I m m a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   4.67
_cell_length_b                   7.4
_cell_length_c                   7.981
_cell_volume                     275.807
_citation_journal_id_ASTM        ZNBSEN
_cod_data_source_file            silver1-2_223.cif
_cod_data_source_block           Ag1Eu1Ge1
_cod_original_cell_volume        275.8074
_cod_original_formula_sum        'Ag1 Eu1 Ge1'
_cod_database_code               7209334
Synthesis and Crystal Structures of REAgMg (RE = La, Ce, Nd, Eu, Gd, Tb, Ho, Tm, and Yb)
Poettgen, R.; Fickenscher, T.; Journal of Solid State Chemistry 161 (2001) 67–72; doi:10.1006/jssc.2001.9268

data_1509313
_publ_section_title
;
 Synthesis and Crystal Structures of REAgMg (RE = La, Ce, Nd, Eu, Gd, Tb,
 Ho, Tm, and Yb)
;
_journal_name_full               'Journal of Solid State Chemistry'
_journal_page_first              67
_journal_page_last               72
_journal_paper_doi               10.1006/jssc.2001.9268
_journal_volume                  161
_journal_year                    2001
_chemical_formula_sum            'Ag Eu Mg'
_chemical_name_systematic        'Eu Ag Mg'
_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            4
_cell_length_a                   7.774
_cell_length_b                   4.63
_cell_length_c                   8.988
_cell_volume                     323.511
_citation_journal_id_ASTM        JSSCBI
_cod_data_source_file            silver1-2_224.cif
_cod_data_source_block           Ag1Eu1Mg1
_cod_original_cell_volume        323.5107
_cod_original_formula_sum        'Ag1 Eu1 Mg1'
_cod_database_code               1509313
Synthesis and ionic conductivity of novel layered perovskite compound, Ag La Ti O4 and Ag Eu Ti O4
Sato, M.; Kurita, S.; Toda, K.; Solid State Ionics 81 (1995) 267–271; doi:10.1016/0167-2738(95)00184-8

data_1509314
_publ_section_title
;
 Synthesis and ionic conductivity of novel layered perovskite compound, Ag
 La Ti O4 and Ag Eu Ti O4
;
_journal_name_full               'Solid State Ionics'
_journal_page_first              267
_journal_page_last               271
_journal_paper_doi               10.1016/0167-2738(95)00184-8
_journal_volume                  81
_journal_year                    1995
_chemical_formula_sum            'Ag Eu O4 Ti'
_chemical_name_systematic        'Ag Eu (Ti O4)'
_space_group_IT_number           57
_symmetry_space_group_name_Hall  '-P 2c 2b'
_symmetry_space_group_name_H-M   'P b c m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.8284
_cell_length_b                   5.2815
_cell_length_c                   5.282
_cell_volume                     357.872
_citation_journal_id_ASTM        SSIOD3
_cod_data_source_file            silver1-2_225.cif
_cod_data_source_block           Ag1Eu1O4Ti1
_cod_original_cell_volume        357.8723
_cod_original_formula_sum        'Ag1 Eu1 O4 Ti1'
_cod_database_code               1509314
A B X-Verbindungen mit modifizierter Ni2 In-Struktur
Schuster, H.U.; Tomuschat, C.; Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische Chemie (33,1978-41,1986) 26 (1981) 1193–1194; doi:

data_7209335
_publ_section_title
;
 A B X-Verbindungen mit modifizierter Ni2 In-Struktur
;
_journal_name_full
;
Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische
 Chemie (33,1978-41,1986)
;
_journal_page_first              1193
_journal_page_last               1194
_journal_volume                  26
_journal_year                    1981
_chemical_formula_sum            'Ag Eu P'
_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                   4.395
_cell_length_b                   4.395
_cell_length_c                   8.057
_cell_volume                     134.779
_citation_journal_id_ASTM        ZNBAD2
_cod_data_source_file            silver1-2_226.cif
_cod_data_source_block           Ag1Eu1P1
_cod_original_cell_volume        134.7789
_cod_original_formula_sum        'Ag1 Eu1 P1'
_cod_database_code               7209335
A B X-Verbindungen mit modifizierter Ni2 In-Struktur
Schuster, H.U.; Tomuschat, C.; Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische Chemie (33,1978-41,1986) 26 (1981) 1193–1194; doi:

data_7209336
_publ_section_title
;
 A B X-Verbindungen mit modifizierter Ni2 In-Struktur
;
_journal_name_full
;
Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie, Organische
 Chemie (33,1978-41,1986)
;
_journal_page_first              1193
_journal_page_last               1194
_journal_volume                  26
_journal_year                    1981
_chemical_formula_sum            'Ag Eu Sb'
_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                   4.755
_cell_length_b                   4.755
_cell_length_c                   8.283
_cell_volume                     162.188
_citation_journal_id_ASTM        ZNBAD2
_cod_data_source_file            silver1-2_227.cif
_cod_data_source_block           Ag1Eu1Sb1
_cod_original_cell_volume        162.1882
_cod_original_formula_sum        'Ag1 Eu1 Sb1'
_cod_database_code               7209336
Synthetic, structural and thermal studies of Ag(I) - Xe F2 complex salts
Ito, Y.; Hagiwara, R.; Tamada, O.; Matsumoto, K.; Solid State Sciences 4 (2002) 1465–1469; doi:10.1016/S1293-2558(02)00037-7

data_1509315
_publ_section_title
;
 Synthetic, structural and thermal studies of Ag(I) - Xe F2 complex salts
;
_journal_name_full               'Solid State Sciences'
_journal_page_first              1465
_journal_page_last               1469
_journal_paper_doi               10.1016/S1293-2558(02)00037-7
_journal_volume                  4
_journal_year                    2002
_chemical_formula_sum            'Ag F10 P Xe2'
_chemical_name_systematic        '(Ag (Xe F2)2) (P F6)'
_space_group_IT_number           120
_symmetry_space_group_name_Hall  'I -4 -2c'
_symmetry_space_group_name_H-M   'I -4 c 2'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.467
_cell_length_b                   8.467
_cell_length_c                   12.745
_cell_volume                     913.690
_citation_journal_id_ASTM        SSSCFJ
_cod_data_source_file            silver1-2_228.cif
_cod_data_source_block           Ag1F10P1Xe2
_cod_original_cell_volume        913.6902
_cod_original_formula_sum        'Ag1 F10 P1 Xe2'
_cod_database_code               1509315
Neue komplexe Fluoride mit Ag2+ und Pd2+: Na M(II) Zr2 F11 (M(II) = Ag, Pd) und Ag Pd Zr2 F11
Mueller, B.G.; Zeitschrift fuer Anorganische und Allgemeine Chemie 553 (1987) 205–211; doi:10.1002/zaac.19875531024

data_1509316
_publ_section_title
;
 Neue komplexe Fluoride mit Ag2+ und Pd2+: Na M(II) Zr2 F11 (M(II) = Ag,
 Pd) und Ag Pd Zr2 F11
;
_journal_name_full
'Zeitschrift fuer Anorganische und Allgemeine Chemie'
_journal_page_first              205
_journal_page_last               211
_journal_paper_doi               10.1002/zaac.19875531024
_journal_volume                  553
_journal_year                    1987
_chemical_formula_sum            'Ag F11 Na Zr2'
_chemical_name_systematic        'Na Ag Zr2 F11'
_space_group_IT_number           2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                106.17
_cell_angle_beta                 111.58
_cell_angle_gamma                96.62
_cell_formula_units_Z            1
_cell_length_a                   7.809
_cell_length_b                   5.7
_cell_length_c                   5.832
_cell_volume                     224.850
_citation_journal_id_ASTM        ZAACAB
_cod_data_source_file            silver1-2_229.cif
_cod_data_source_block           Ag1F11Na1Zr2
_cod_original_cell_volume        224.8505
_cod_original_formula_sum        'Ag1 F11 Na1 Zr2'
_cod_database_code               1509316
Neue komplexe Fluoride mit Ag2+ und Pd2+: Na M(II) Zr2 F11 (M(II) = Ag, Pd) und Ag Pd Zr2 F11
Mueller, B.G.; Zeitschrift fuer Anorganische und Allgemeine Chemie 553 (1987) 205–211; doi:10.1002/zaac.19875531024

data_1509317
_publ_section_title
;
 Neue komplexe Fluoride mit Ag2+ und Pd2+: Na M(II) Zr2 F11 (M(II) = Ag,
 Pd) und Ag Pd Zr2 F11
;
_journal_name_full
'Zeitschrift fuer Anorganische und Allgemeine Chemie'
_journal_page_first              205
_journal_page_last               211
_journal_paper_doi               10.1002/zaac.19875531024
_journal_volume                  553
_journal_year                    1987
_chemical_formula_sum            'Ag F11 Pd Zr2'
_chemical_name_systematic        'Ag Pd Zr2 F11'
_space_group_IT_number           12
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_cell_angle_alpha                90
_cell_angle_beta                 115.73
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.351
_cell_length_b                   6.991
_cell_length_c                   7.801
_cell_volume                     459.410
_citation_journal_id_ASTM        ZAACAB
_cod_data_source_file            silver1-2_230.cif
_cod_data_source_block           Ag1F11Pd1Zr2
_cod_original_cell_volume        459.4096
_cod_original_formula_sum        'Ag1 F11 Pd1 Zr2'
_cod_database_code               1509317