LMucko/crystallography-open-database huggingface dataset:
Structures of glycinium phosphite and glycylglycinium phosphite
Averbuch-Pouchot, M.-T.; Acta Crystallographica Section C 49 (1993) 815–818; doi:10.1107/S0108270192010771

data_2001824
_publ_section_title
;
 Structures of glycinium phosphite and glycylglycinium phosphite
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              815
_journal_page_last               818
_journal_paper_doi               10.1107/S0108270192010771
_journal_volume                  49
_journal_year                    1993
_chemical_formula_sum            'C4 H11 N2 O6 P'
_chemical_formula_weight         214.112
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_type_scat_source           IntTabIV
_cell_angle_alpha                90
_cell_angle_beta                 90.88(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.003(4)
_cell_length_b                   4.9240(10)
_cell_length_c                   9.343(2)
_cell_measurement_reflns_used    22
_cell_measurement_temperature    295
_cell_measurement_theta_max      11
_cell_measurement_theta_min      10
_cell_volume                     460.1(2)
_diffrn_measurement_device       'Enraf-Nonius CAD-4'
_diffrn_measurement_method       \w
_diffrn_radiation_type           AgK\a
_diffrn_radiation_wavelength     0.5608
_diffrn_reflns_av_R_equivalents  0.01
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            3026
_diffrn_reflns_theta_max         30
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count '400 (orientation)'
_diffrn_standards_interval_time  '60 (intensity) '
_diffrn_standards_number         '2 orientation and 2 intensity'
_exptl_absorpt_coefficient_mu    0.169
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.545
_exptl_crystal_description       'long prism'
_exptl_crystal_size_max          0.52
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.387
_refine_diff_density_min         -0.170
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_obs   0.231
_refine_ls_number_parameters     161
_refine_ls_number_reflns         1924
_refine_ls_R_factor_obs          0.028
_refine_ls_shift/esd_max         '0.15 [B of H(2C1)]'
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme      unit
_refine_ls_wR_factor_obs         0.030
_reflns_number_observed          1924
_reflns_number_total             1942
_reflns_observed_criterion       I>4\s(I)
_cod_data_source_file            pa1020.cif
_cod_data_source_block           pa1020_structure_2_of_2
_cod_original_cell_volume        460.1(4)
_cod_original_formula_sum        'C4 H11 N2 O6 P1'
_cod_database_code               2001824
X-ray structure of a new pyrethroid, RU 52259
Hamzaoui, F.; Lamiot, J.; Baert, F.; Acta Crystallographica Section C 49 (1993) 818–820; doi:10.1107/S010827019201134X

data_2001825
_publ_section_title
;
 X-ray structure of a new pyrethroid, RU 52259
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              818
_journal_page_last               820
_journal_paper_doi               10.1107/S010827019201134X
_journal_volume                  49
_journal_year                    1993
_chemical_formula_sum            'C31 H42 O9 S2'
_chemical_formula_weight         622.7
_symmetry_cell_setting           orthorhombic
_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                   12.010(3)
_cell_length_b                   6.681(5)
_cell_length_c                   42.090(8)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      50
_cell_measurement_theta_min      30
_cell_volume                     3377(3)
_diffrn_measurement_device       'Nonius CAD4 rotating anode'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.5419
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       47
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            3203
_diffrn_reflns_theta_max         60
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  120
_diffrn_standards_number         5
_exptl_absorpt_coefficient_mu    1.79
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.2
_exptl_crystal_description       Plate
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.21
_refine_diff_density_min         -0.41
_refine_ls_goodness_of_fit_obs   7.4
_refine_ls_hydrogen_treatment    'H atoms: constrained refinement'
_refine_ls_number_parameters     407
_refine_ls_number_reflns         2838
_refine_ls_R_factor_obs          0.062
_refine_ls_shift/esd_max         0.012
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme      unit
_refine_ls_wR_factor_obs         0.062
_reflns_number_observed          2838
_reflns_observed_criterion       I>=3\s(I)
_cod_data_source_file            pa1024.cif
_cod_data_source_block           pa1024_structure_1_of_1
_cod_depositor_comments
;
 Adding the _atom_site_type_symbol data item.

 Antanas Vaitkus,
 2017-01-28
;
_cod_original_cell_volume        3377.4
_cod_database_code               2001825
Structure of (+)-(<i>S</i>)-5-phenyl-5-ethylhydantoin
Coquerel, G.; Petit, M. N.; Robert, F.; Acta Crystallographica Section C 49 (1993) 824–825; doi:10.1107/S0108270192011788

data_2001828
_publ_section_title
;
 Structure of (+)-(<i>S</i>)-5-phenyl-5-ethylhydantoin
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              824
_journal_page_last               825
_journal_paper_doi               10.1107/S0108270192011788
_journal_volume                  49
_journal_year                    1993
_chemical_formula_moiety         'C11 H12 N2 O2'
_chemical_formula_sum            'C11 H12 N2 O2'
_chemical_formula_weight         204.23
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_type_scat_source           IntTabIV
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.230
_cell_length_b                   10.701
_cell_length_c                   15.550
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293.0(10)
_cell_measurement_theta_max      18
_cell_measurement_theta_min      14
_cell_volume                     1036.675
_diffrn_measurement_device       'Enraf-Nonius CAD-4'
_diffrn_measurement_method       \q-2\q
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            1089
_diffrn_reflns_theta_max         25
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  60
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    0.086
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.31
_exptl_crystal_density_meas      1.29
_exptl_crystal_description       'acicular along a'
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.14
_refine_diff_density_min         -0.12
_refine_ls_goodness_of_fit_obs   2.36
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_number_parameters     137
_refine_ls_number_reflns         542
_refine_ls_R_factor_obs          0.037
_refine_ls_shift/esd_max         0.05
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme      unit
_refine_ls_wR_factor_obs         0.039
_reflns_number_observed          542
_reflns_number_total             1089
_reflns_observed_criterion       I>3\s(I)
_cod_data_source_file            pa1028.cif
_cod_data_source_block           pa1028_structure_1_of_1
_cod_original_cell_volume        1036(7)
_cod_database_code               2001828
Structure of 1,3-bis(1-pyrenyl)hexamethyltrisilane
Van Meervelt, L.; Acta Crystallographica Section C 49 (1993) 831–833; doi:10.1107/S0108270192010606

data_2001831
_publ_section_title
;
 Structure of 1,3-bis(1-pyrenyl)hexamethyltrisilane
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              831
_journal_page_last               833
_journal_paper_doi               10.1107/S0108270192010606
_journal_volume                  49
_journal_year                    1993
_chemical_formula_sum            'C38 H36 Si3'
_chemical_formula_weight         576.9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_type_scat_source           IntTabIV
_cell_angle_alpha                90
_cell_angle_beta                 110.700(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.213(2)
_cell_length_b                   22.656(4)
_cell_length_c                   13.397(3)
_cell_measurement_reflns_used    30
_cell_measurement_temperature    289
_cell_measurement_theta_max      13
_cell_measurement_theta_min      4
_cell_volume                     3183.7(11)
_diffrn_measurement_device       'Siemens P4-PC'
_diffrn_measurement_method       2\q-\q
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0365
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            4606
_diffrn_reflns_theta_max         58
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 50
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    1.522
_exptl_absorpt_correction_T_max  0.6690
_exptl_absorpt_correction_T_min  0.5655
_exptl_absorpt_correction_type   Semiempirical
_exptl_crystal_colour            'Colourless with yellow fluorescence'
_exptl_crystal_density_diffrn    1.204
_exptl_crystal_description       Parallelepiped
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.37
_refine_diff_density_min         -0.17
_refine_ls_goodness_of_fit_obs   1.23
_refine_ls_hydrogen_treatment    'refU [riding model (C-H=0.96\%A)]'
_refine_ls_number_parameters     406
_refine_ls_number_reflns         3459
_refine_ls_R_factor_obs          0.0424
_refine_ls_shift/esd_max         0.081
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme      unit
_refine_ls_wR_factor_obs         0.0451
_reflns_number_observed          3459
_reflns_number_total             4352
_reflns_observed_criterion       F>4.0\s(F)
_cod_data_source_file            na1013.cif
_cod_data_source_block           na1013_structure_1_of_1
_cod_database_code               2001831
2-Amino-5-nitropyridinium monohydrogenphosphite
Pecaut, J.; Bagieu-Beucher, M.; Acta Crystallographica Section C 49 (1993) 834–837; doi:10.1107/S0108270192011302

data_2001833
_publ_section_title
;
 2-Amino-5-nitropyridinium monohydrogenphosphite
;
_journal_issue                   4
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              834
_journal_page_last               837
_journal_paper_doi               10.1107/S0108270192011302
_journal_volume                  49
_journal_year                    1993
_chemical_formula_moiety         'C5 H6 N3 O2 +,H2 O3 P1 -'
_chemical_formula_sum            'C5 H8 N3 O5 P'
_chemical_formula_weight         221.11
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_type_scat_source           IntTabIV
_cell_angle_alpha                90.
_cell_angle_beta                 125.08(3)
_cell_angle_gamma                90.
_cell_formula_units_Z            8
_cell_length_a                   16.861(7)
_cell_length_b                   11.539(3)
_cell_length_c                   11.146(5)
_cell_measurement_reflns_used    22
_cell_measurement_temperature    293
_cell_measurement_theta_max      15
_cell_measurement_theta_min      8
_cell_volume                     1774.6(13)
_diffrn_measurement_device       'Nicolet XRD'
_diffrn_measurement_method       \w
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.022
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            5685
_diffrn_reflns_theta_max         30
_diffrn_standards_decay_%        5
_diffrn_standards_interval_count 500
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.321
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.655
_exptl_crystal_description       Prism
_exptl_crystal_size_max          0.96
_exptl_crystal_size_mid          0.52
_exptl_crystal_size_min          0.40
_refine_diff_density_max         0.13
_refine_diff_density_min         -0.14
_refine_ls_goodness_of_fit_obs   0.489
_refine_ls_hydrogen_treatment    refxyz_refB~iso~
_refine_ls_number_parameters     159
_refine_ls_number_reflns         2085
_refine_ls_R_factor_obs          0.040
_refine_ls_shift/esd_max         0.05
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme      unit
_refine_ls_wR_factor_obs         0.042
_reflns_number_observed          2604
_reflns_number_total             2890
_reflns_observed_criterion       I>=3\s(I)
_cod_data_source_file            pa1015.cif
_cod_data_source_block           pa1015_structure_1_of_1
_cod_original_cell_volume        1775(3)
_cod_original_formula_sum        'C5 H8 N3 O5 P1'
_cod_database_code               2001833
Structure de RbAlAs~2~O~7~
Boughzala, H.; Driss, A.; Jouini, T.; Acta Crystallographica Section C 49 (1993) 425–427; doi:10.1107/S0108270192006772

data_2001838
_publ_section_title
;
 Structure de RbAlAs~2~O~7~
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              425
_journal_page_last               427
_journal_paper_doi               10.1107/S0108270192006772
_journal_volume                  49
_journal_year                    1993
_chemical_formula_sum            'Al As2 O7 Rb'
_chemical_formula_weight         374.29
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_cell_angle_alpha                102.60(10)
_cell_angle_beta                 103.89(7)
_cell_angle_gamma                96.70(10)
_cell_formula_units_Z            2
_cell_length_a                   8.233(5)
_cell_length_b                   6.34(2)
_cell_length_c                   6.241(5)
_cell_volume                     303.7(10)
_diffrn_radiation_type           Ag
_diffrn_radiation_wavelength     0.5608
_exptl_absorpt_coefficient_mu    5.385
_exptl_crystal_density_diffrn    4.09
_exptl_crystal_density_meas      3.9(3)
_exptl_crystal_F_000             344
_cod_data_source_file            du0330.cif
_cod_data_source_block           du0330_structure_1_of_1
_cod_depositor_comments
;
 Updating space group information and adding the symmetry operation list.

 Antanas Vaitkus,
 2018-06-14
;
_cod_original_cell_volume        303.9
_cod_original_formula_sum        'Al1 As2 O7 Rb1'
_cod_database_code               2001838
Cs~4~Mo~21~S~25~: a new structure type containing Mo~9~ and Mo~12~ condensed clusters
Gougeon, P.; Potel, M.; Acta Crystallographica Section C 49 (1993) 427–430; doi:10.1107/S0108270192006036

data_2001839
_publ_section_title
;
 Cs~4~Mo~21~S~25~: a new structure type containing Mo~9~ and Mo~12~
 condensed clusters
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              427
_journal_page_last               430
_journal_paper_doi               10.1107/S0108270192006036
_journal_volume                  49
_journal_year                    1993
_chemical_formula_sum            'Cs4 Mo21 S25'
_chemical_formula_weight         3347.96
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3 2"c'
_symmetry_space_group_name_H-M   'R -3 c'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            6
_cell_length_a                   9.4543(5)
_cell_length_b                   9.4543(5)
_cell_length_c                   83.200(10)
_cell_volume                     6440.4(9)
_diffrn_radiation_type           Mo
_diffrn_radiation_wavelength     0.71073
_exptl_absorpt_coefficient_mu    10.26
_exptl_crystal_density_diffrn    5.179
_exptl_crystal_F_000             9012
_cod_data_source_file            du1004.cif
_cod_data_source_block           du1004_structure_1_of_1
_cod_original_cell_volume        6440.0(10)
_cod_original_sg_symbol_H-M      'R -3 c {hexagonal axes}'
_cod_database_code               2001839
Structure of (NH~4~)~3~H(SeO~4~)~2~ in high-temperature phases I and II
Łukaszewicz, K.; Pietraszko, A.; Augustyniak, M. A.; Acta Crystallographica Section C 49 (1993) 430–433; doi:10.1107/S010827019200739X

data_2001840
_publ_section_title
;
 Structure of (NH~4~)~3~H(SeO~4~)~2~ in high-temperature phases I and
 II
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              430
_journal_page_last               433
_journal_paper_doi               10.1107/S010827019200739X
_journal_volume                  49
_journal_year                    1993
_chemical_formula_sum            'H13 N3 O8 Se2'
_chemical_formula_weight         341.04
_space_group_crystal_system      trigonal
_space_group_IT_number           166
_space_group_name_Hall           '-R 3 2"'
_space_group_name_H-M_alt        'R -3 m :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   6.0900(10)
_cell_length_b                   6.0900(10)
_cell_length_c                   22.759(5)
_cell_volume                     731.0(2)
_diffrn_radiation_type           Mo
_diffrn_radiation_wavelength     0.71073
_exptl_absorpt_coefficient_mu    6.87
_exptl_crystal_density_diffrn    2.32
_exptl_crystal_F_000             498
_cod_data_source_file            na0025.cif
_cod_data_source_block           na0025a
_cod_depositor_comments
;
 Adding the atom site occupancy values after consulting the original
 publication.

 Antanas Vaitkus,
 2018-02-09
;
_cod_original_sg_symbol_H-M      'R -3 m {hexagonal axes}'
_cod_database_code               2001840
Structure of (NH~4~)~3~H(SeO~4~)~2~ in high-temperature phases I and II
Łukaszewicz, K.; Pietraszko, A.; Augustyniak, M. A.; Acta Crystallographica Section C 49 (1993) 430–433; doi:10.1107/S010827019200739X

data_2001841
_publ_section_title
;
 Structure of (NH~4~)~3~H(SeO~4~)~2~ in high-temperature phases I and
 II
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              430
_journal_page_last               433
_journal_paper_doi               10.1107/S010827019200739X
_journal_volume                  49
_journal_year                    1993
_chemical_formula_sum            'H13 N3 O8 Se2'
_chemical_formula_weight         341.04
_space_group_crystal_system      trigonal
_space_group_IT_number           148
_space_group_name_Hall           '-R 3'
_space_group_name_H-M_alt        'R -3 :H'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            3
_cell_length_a                   6.0640(10)
_cell_length_b                   6.0640(10)
_cell_length_c                   22.904(5)
_cell_volume                     729.4(2)
_diffrn_radiation_type           Mo
_diffrn_radiation_wavelength     0.71073
_exptl_absorpt_coefficient_mu    6.88
_exptl_crystal_density_diffrn    2.33
_exptl_crystal_F_000             498
_cod_data_source_file            na0025.cif
_cod_data_source_block           na0025b
_cod_depositor_comments
;
 Adding the atom site occupancy values after consulting the original
 publication.

 Antanas Vaitkus,
 2018-02-09
;
_cod_original_sg_symbol_H-M      'R -3 {hexagonal axes}'
_cod_database_code               2001841
Redetermination of the structure of barium peroxide by single-crystal X-ray diffraction
VerNooy, P. D.; Acta Crystallographica Section C 49 (1993) 433–434; doi:10.1107/S0108270192008692

data_2001842
_publ_section_title
;
 Redetermination of the structure of barium peroxide by single-crystal
 X-ray diffraction
;
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              433
_journal_page_last               434
_journal_paper_doi               10.1107/S0108270192008692
_journal_volume                  49
_journal_year                    1993
_chemical_formula_sum            'Ba O2'
_chemical_formula_weight         169.3
_symmetry_cell_setting           tetragonal
_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                   3.8016(4)
_cell_length_b                   3.8016(4)
_cell_length_c                   6.7786(8)
_cell_volume                     97.965(19)
_diffrn_radiation_type           Mo
_diffrn_radiation_wavelength     0.71069
_exptl_absorpt_coefficient_mu    19.85
_exptl_crystal_density_diffrn    5.74
_exptl_crystal_F_000             144
_cod_data_source_file            br1011.cif
_cod_data_source_block           br1011_structure_1_of_1
_cod_original_cell_volume        97.97(2)
_cod_database_code               2001842