LMucko/crystallography-open-database huggingface dataset:
An enhanced fluorescence in a tunable face-to-face π⋯π stacking assembly directed by the H-bonding
Fu, Xiao-Fei; Yue, Yan-Feng; Guo, Rui; Li, Le-Le; Sun, Wei; Fang, Chen-Jie; Xu, Chun-Hu; Yan, Chun-Hua; CrystEngComm 11 (2009) 2268–; doi:10.1039/b910263a

data_7200145
_publ_section_title
;
 An enhanced fluorescence in a tunable face-to-face \p&#x22EF;\p
 stacking assembly directed by the H-bonding
;
_journal_issue                   11
_journal_name_full               CrystEngComm
_journal_page_first              2268
_journal_paper_doi               10.1039/b910263a
_journal_volume                  11
_journal_year                    2009
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      1
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_audit_creation_date             2008-03-16
_audit_creation_method           'Materials Studio'
_cell_angle_alpha                90.0223
_cell_angle_beta                 89.9957
_cell_angle_gamma                119.8801
_cell_length_a                   26.8755
_cell_length_b                   26.9156
_cell_length_c                   16.5745
_cell_volume                     10395.732
_cod_data_source_file            AFI_model.cif
_cod_data_source_block           AFI_model
_cod_original_sg_symbol_H-M      P1
_cod_database_code               7200145
An enhanced fluorescence in a tunable face-to-face π⋯π stacking assembly directed by the H-bonding
Fu, Xiao-Fei; Yue, Yan-Feng; Guo, Rui; Li, Le-Le; Sun, Wei; Fang, Chen-Jie; Xu, Chun-Hu; Yan, Chun-Hua; CrystEngComm 11 (2009) 2268–; doi:10.1039/b910263a

data_7200146
_publ_section_title
;
 An enhanced fluorescence in a tunable face-to-face \p&#x22EF;\p
 stacking assembly directed by the H-bonding
;
_journal_issue                   11
_journal_name_full               CrystEngComm
_journal_page_first              2268
_journal_paper_doi               10.1039/b910263a
_journal_volume                  11
_journal_year                    2009
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      1
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_audit_creation_date             2008-03-16
_audit_creation_method           'Materials Studio'
_cell_angle_alpha                60.4969
_cell_angle_beta                 60.5442
_cell_angle_gamma                60.3932
_cell_length_a                   18.5541
_cell_length_b                   18.5075
_cell_length_c                   18.6002
_cell_volume                     4565.168
_cod_data_source_file            AST_model.cif
_cod_data_source_block           AST_model
_cod_original_sg_symbol_H-M      P1
_cod_database_code               7200146
An enhanced fluorescence in a tunable face-to-face π⋯π stacking assembly directed by the H-bonding
Fu, Xiao-Fei; Yue, Yan-Feng; Guo, Rui; Li, Le-Le; Sun, Wei; Fang, Chen-Jie; Xu, Chun-Hu; Yan, Chun-Hua; CrystEngComm 11 (2009) 2268–; doi:10.1039/b910263a

data_7200147
_publ_section_title
;
 An enhanced fluorescence in a tunable face-to-face \p&#x22EF;\p
 stacking assembly directed by the H-bonding
;
_journal_issue                   11
_journal_name_full               CrystEngComm
_journal_page_first              2268
_journal_paper_doi               10.1039/b910263a
_journal_volume                  11
_journal_year                    2009
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      1
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_audit_creation_date             2008-03-16
_audit_creation_method           'Materials Studio'
_cell_angle_alpha                45.7259
_cell_angle_beta                 46.0890
_cell_angle_gamma                83.9870
_cell_length_a                   18.8838
_cell_length_b                   18.9879
_cell_length_c                   26.3157
_cell_volume                     3297.571
_cod_data_source_file            ATN_model.cif
_cod_data_source_block           ATN_model
_cod_original_sg_symbol_H-M      P1
_cod_database_code               7200147
An enhanced fluorescence in a tunable face-to-face π⋯π stacking assembly directed by the H-bonding
Fu, Xiao-Fei; Yue, Yan-Feng; Guo, Rui; Li, Le-Le; Sun, Wei; Fang, Chen-Jie; Xu, Chun-Hu; Yan, Chun-Hua; CrystEngComm 11 (2009) 2268–; doi:10.1039/b910263a

data_7200148
_publ_section_title
;
 An enhanced fluorescence in a tunable face-to-face \p&#x22EF;\p
 stacking assembly directed by the H-bonding
;
_journal_issue                   11
_journal_name_full               CrystEngComm
_journal_page_first              2268
_journal_paper_doi               10.1039/b910263a
_journal_volume                  11
_journal_year                    2009
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      1
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_audit_creation_date             2008-03-16
_audit_creation_method           'Materials Studio'
_cell_angle_alpha                118.0932
_cell_angle_beta                 118.0934
_cell_angle_gamma                118.0935
_cell_length_a                   23.7640
_cell_length_b                   23.7638
_cell_length_c                   23.7639
_cell_volume                     4761.326
_cod_data_source_file            ATO_model.cif
_cod_data_source_block           ATO_model
_cod_original_sg_symbol_H-M      P1
_cod_database_code               7200148
[MeNC5H5]2[TCNE]2 (TCNE = tetracyanoethylene). Single crystal X-ray and neutron diffraction characterization of an exceptionally long 2.8 Å C‒C bond
Piccoli, Paula M. B.; Schultz, Arthur J.; Sparkes, Hazel A.; Howard, Judith A. K.; Arif, Atta M.; Dawe, Louise N.; Miller, Joel S.; CrystEngComm 11 (2009) 686–; doi:10.1039/b816817b

data_7200501
_publ_section_title
;
 [MeNC5H5]2[TCNE]2 (TCNE = tetracyanoethylene). Single crystal X-ray
 and neutron diffraction characterization of an exceptionally long 2.8
 \%A C--C bond
;
_journal_issue                   4
_journal_name_full               CrystEngComm
_journal_page_first              686
_journal_paper_doi               10.1039/b816817b
_journal_volume                  11
_journal_year                    2009
_chemical_formula_sum            'C12 H8 N5'
_chemical_formula_weight         222.23
_chemical_name_systematic        ' ?'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_cell_angle_alpha                90.0
_cell_angle_beta                 95.235(19)
_cell_angle_gamma                90.0
_cell_formula_units_Z            4
_cell_length_a                   6.7310(10)
_cell_length_b                   9.9960(20)
_cell_length_c                   16.489(4)
_cell_measurement_temperature    50
_cell_volume                     1104.8(4)
_exptl_crystal_density_meas      ?
_pd_block_id
2004-09-29T09:14|TCNE50_phase1|Paula_M._B._Piccoli||
_pd_phase_name                   '(MePy)2(TCNE)2 at 50K'
_cod_data_source_file            b816817b.txt
_cod_data_source_block           TCNE50_phase_1
_cod_depositor_comments
;
The following automatic conversions were performed:
'_geom_angle_publ_flag' value 'N' changed to 'n' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (34
times).

'_geom_bond_publ_flag' value 'N' changed to 'n' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (58 times).

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value ' not measured' was changed to
'?' - the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        1104.8031
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7200501
Soluble n-type pentacene derivatives as novel acceptors for organic solar cells
Lim, Yee-Fun; Shu, Ying; Parkin, Sean R.; Anthony, John E.; Malliaras, George G.; Journal of Materials Chemistry 19 (2009) 3049–; doi:10.1039/b818693f

data_7200586
_publ_section_title
;
 Soluble n-type pentacene derivatives as novel acceptors for organic
 solar cells
;
_journal_issue                   19
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              3049
_journal_paper_doi               10.1039/b818693f
_journal_volume                  19
_journal_year                    2009
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      62
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_cell_angle_alpha                90.0000(4)
_cell_angle_beta                 90.0000(3)
_cell_angle_gamma                90.0000(4)
_cell_length_a                   16.5590(1)
_cell_length_b                   17.6140(1)
_cell_length_c                   16.5780(2)
_cell_volume                     4835.31(7)
_cod_data_source_file            b818693f.txt
_cod_data_source_block           CompoundX
_cod_original_cell_volume        4835.31
_cod_database_code               7200586
Structure and superconductivity of the intercalation compounds of TiNCl with pyridine and alkali metals as intercalants
Yamanaka, Shoji; Yasunaga, Toshihiro; Yamaguchi, Kosuke; Tagawa, Masahiro; Journal of Materials Chemistry 19 (2009) 2573–; doi:10.1039/b819541b

data_7200643
_publ_section_title
;
 Structure and superconductivity of the intercalation compounds of TiNCl
 with pyridine and alkali metals as intercalants
;
_journal_issue                   17
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              2573
_journal_paper_doi               10.1039/b819541b
_journal_volume                  19
_journal_year                    2009
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      1
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_audit_creation_date             2008-10-12
_audit_creation_method           'Materials Studio'
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_length_a                   7.9516
_cell_length_b                   6.5588
_cell_length_c                   27.0024
_cell_volume                     1408.255
_cod_data_source_file            b819541b.txt
_cod_data_source_block           Py-TiNCl_Supercell_2x2x1
_cod_original_sg_symbol_H-M      P1
_cod_database_code               7200643
Structural and electrical properties of calcium and strontium hydrides
Verbraeken, Maarten C.; Suard, Emmanuelle; Irvine, John T. S.; Journal of Materials Chemistry 19 (2009) 2766–; doi:10.1039/b820173k

data_7200687
_publ_section_title
;
 Structural and electrical properties of calcium and strontium hydrides
;
_journal_issue                   18
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              2766
_journal_paper_doi               10.1039/b820173k
_journal_volume                  19
_journal_year                    2009
_chemical_formula_structural     Ca0.999Na0.001D1.82
_chemical_formula_sum            'Ca0.999 D1.82 Na0.001'
_chemical_formula_weight         43.72
_chemical_name_systematic        ' ?'
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_cell_angle_alpha                90.00000
_cell_angle_beta                 90.00000
_cell_angle_gamma                90.00000
_cell_formula_units_Z            4
_cell_length_a                   5.94558(10)
_cell_length_b                   3.59194(6)
_cell_length_c                   6.79917(13)
_cell_measurement_temperature    298
_cell_volume                     145.204(4)
_computing_structure_refinement  FULLPROF
_diffrn_ambient_temperature      298
_diffrn_radiation_probe          neutron
_diffrn_radiation_type           'Constant Wavelength Neutron Diffraction'
_diffrn_radiation_wavelength     1.90946
_diffrn_source                   'nuclear reactor'
_diffrn_source_type              'D1A, ILL Grenoble'
_pd_instr_location               'ILL, Grenoble'
_pd_meas_2theta_range_inc        0.050016
_pd_meas_2theta_range_max        157.95000
_pd_meas_2theta_range_min        0.00000
_pd_meas_number_of_points        3160
_pd_meas_scan_method             step
_pd_proc_2theta_range_inc        0.050016
_pd_proc_2theta_range_max        158.8667
_pd_proc_2theta_range_min        0.9167
_pd_proc_ls_pref_orient_corr     ' ?'
_pd_proc_ls_prof_R_factor        4.1741
_pd_proc_ls_prof_wR_expected     3.8326
_pd_proc_ls_prof_wR_factor       5.0662
_pd_proc_wavelength              1.909458
_refine_ls_number_parameters     30
_refine_ls_number_reflns         97
_refine_ls_number_restraints     0
_refine_ls_R_I_factor            5.7414
_cod_data_source_file            b820173k.txt
_cod_data_source_block           Ca1-xNaxD2-y
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P N M A'
_cod_original_formula_sum        'Ca0.999 Na0.001 D1.82'
_cod_database_code               7200687
_pd_proc_ls_prof_cr_factor       13.6538
_pd_proc_ls_prof_cwr_factor      11.5696
_pd_proc_ls_prof_cwr_expected    8.7524
_pd_proc_ls_prof_chi2            1.7474
_pd_proc_ls_prof_echi2           1.8130
Corrugated layered heptazine-based carbon nitride: the lowest energy modifications of C3N4 ground state
Gracia, J.; Kroll, P.; Journal of Materials Chemistry 19 (2009) 3013–; doi:10.1039/b821568e

data_7200761
_publ_section_title
;
 Corrugated layered heptazine-based carbon nitride: the lowest energy
 modifications of C3N4 ground state
;
_journal_issue                   19
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              3013
_journal_paper_doi               10.1039/b821568e
_journal_volume                  19
_journal_year                    2009
_space_group_IT_number           1
_symmetry_Int_Tables_number      1
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_cell_angle_alpha                90.00003
_cell_angle_beta                 90.00008
_cell_angle_gamma                89.99989
_cell_length_a                   13.30701
_cell_length_b                   23.74339
_cell_length_c                   7.91702
_cell_volume                     2501.410
_pd_phase_name                   XCrySDen
_cod_data_source_file            b821568e.txt
_cod_data_source_block           VICS_phase_1
_cod_original_sg_symbol_H-M      'P 1 '
_cod_database_code               7200761
Structural changes induced by dehydration in the crystalline layered silicate Na-RUB-18: a computational/experimental combined study
Iozzi, Maria Francesca; Bisio, Chiara; Regi-Macedo, Thais; Airoldi, Claudio; Cossi, Maurizio; Marchese, Leonardo; Journal of Materials Chemistry 19 (2009) 2610–; doi:10.1039/b822013c

data_7200798
_publ_section_title
;
 Structural changes induced by dehydration in the crystalline layered
 silicate Na-RUB-18: a computational/experimental combined study
;
_journal_issue                   17
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              2610
_journal_paper_doi               10.1039/b822013c
_journal_volume                  19
_journal_year                    2009
_space_group_IT_number           1
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_cell_angle_alpha                90.000000
_cell_angle_beta                 90.000000
_cell_angle_gamma                90.261802
_cell_length_a                   7.611300
_cell_length_b                   15.303268
_cell_length_c                   50.000000
_cell_volume                     5823.827
_cod_data_source_file            b822013c1.txt
_cod_data_source_block           SWNT
_cod_database_code               7200798
Structural changes induced by dehydration in the crystalline layered silicate Na-RUB-18: a computational/experimental combined study
Iozzi, Maria Francesca; Bisio, Chiara; Regi-Macedo, Thais; Airoldi, Claudio; Cossi, Maurizio; Marchese, Leonardo; Journal of Materials Chemistry 19 (2009) 2610–; doi:10.1039/b822013c

data_7200799
_publ_section_title
;
 Structural changes induced by dehydration in the crystalline layered
 silicate Na-RUB-18: a computational/experimental combined study
;
_journal_issue                   17
_journal_name_full               'Journal of Materials Chemistry'
_journal_page_first              2610
_journal_paper_doi               10.1039/b822013c
_journal_volume                  19
_journal_year                    2009
_space_group_IT_number           1
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_cell_angle_alpha                90.000000
_cell_angle_beta                 90.000000
_cell_angle_gamma                90.130185
_cell_length_a                   7.625640
_cell_length_b                   15.381577
_cell_length_c                   50.000000
_cell_volume                     5864.703
_cod_data_source_file            b822013c2.txt
_cod_data_source_block           SWNT
_cod_database_code               7200799
Crystal structures with a challenge: high-pressure crystallisation of ciprofloxacin sodium salts and their recovery to ambient pressure
Fabbiani, Francesca P. A.; Dittrich, Birger; Florence, Alastair J.; Gelbrich, Thomas; Hursthouse, Michael B.; Kuhs, Werner F.; Shankland, Norman; Sowa, Heidrun; CrystEngComm 11 (2009) 1396–; doi:10.1039/b822987b

data_7200853
_publ_section_title
;
 Crystal structures with a challenge: high-pressure crystallisation of
 ciprofloxacin sodium salts and their recovery to ambient pressure
;
_journal_issue                   7
_journal_name_full               CrystEngComm
_journal_page_first              1396
_journal_paper_doi               10.1039/b822987b
_journal_volume                  11
_journal_year                    2009
_chemical_compound_source
;
The compound was used as received from Sigma-Aldrich,
Fancy Road, Poole, U.K.
;
_chemical_formula_moiety         'C17 H18 F N3 O3'
_chemical_formula_sum            'C17 H18 F N3 O3'
_chemical_formula_weight         331.34
_chemical_name_common            ciprofloxacin
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_cell_angle_alpha                87.868(3)
_cell_angle_beta                 85.153(2)
_cell_angle_gamma                88.212(1)
_cell_formula_units_Z            2
_cell_length_a                   7.9606(2)
_cell_length_b                   8.5798(2)
_cell_length_c                   10.7739(3)
_cell_measurement_temperature    298
_cell_volume                     732.43(3)
_diffrn_ambient_temperature      298
_diffrn_measurement_device_type
;
Bruker-AXS D8 Advance X-ray powder diffractometer
;
_diffrn_radiation_type           'Cu K\a~1~'
_diffrn_radiation_wavelength     1.54056
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.502
_exptl_crystal_description       'Polycrystalline powder'
_exptl_crystal_preparation
;
A sample of ciprofloxacin was lightly ground and placed in a
rotating 0.7 mm borosilicate glass capillary, mounted on Bruker AXS
D8 Advance X-ray powder diffractometer.
;
_pd_proc_ls_prof_R_factor        0.037
_pd_proc_ls_prof_wR_expected     0.016
_pd_proc_ls_prof_wR_factor       0.040
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_number_parameters     210
_refine_ls_shift/su_max          0.005
_cod_data_source_file            b822987b.txt
_cod_data_source_block           1
_cod_database_code               7200853
KAgF3, K2AgF4 and K3Ag2F7: important steps towards a layered antiferromagnetic fluoroargentate(II),
Mazej, Zoran; Goreshnik, Evgeny; Jagličić, Zvonko; Gaweł, Bartłomiej; Łasocha, Wiesław; Grzybowska, Dorota; Jaroń, Tomasz; Kurzydłowski, Dominik; Malinowski, Przemysław; Koźminski, Wiktor; Szydłowska, Jadwiga; Leszczyński, Piotr; Grochala, Wojciech; CrystEngComm 11 (2009) 1702–; doi:10.1039/b902161b

data_7200990
_publ_section_title
;
 KAgF3, K2AgF4 and K3Ag2F7: important steps towards a layered
 antiferromagnetic fluoroargentate(II),
;
_journal_issue                   8
_journal_name_full               CrystEngComm
_journal_page_first              1702
_journal_paper_doi               10.1039/b902161b
_journal_volume                  11
_journal_year                    2009
_chemical_formula_moiety         'Ag F3 K'
_chemical_formula_sum            'Ag F3 K'
_chemical_formula_weight         203.97
_chemical_name_common            'potassium trifluoro argentate'
_chemical_name_systematic        ' ?'
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_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                   6.2689(2)
_cell_length_b                   8.3015(2)
_cell_length_c                   6.1844(2)
_cell_measurement_temperature    293
_cell_volume                     321.844(17)
_computing_publication_material  '(Jana2000; Petricek and Dusek, 2000)'
_computing_structure_refinement  '(Jana2000; Petricek and Dusek, 2000)'
_diffrn_ambient_temperature      293
_diffrn_detector_type            PSD
_diffrn_measurement_device_type  'D8 ADVANCE'
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54178
_exptl_absorpt_coefficient_mu    61.017
_exptl_absorpt_process_details
'(Jana2000; Petricek, Dusek & Palatinus, 2000)'
_exptl_crystal_density_diffrn    4.21
_exptl_crystal_F_000             372
_pd_char_colour                  brown
_pd_instr_location               ' ?'
_pd_meas_2theta_range_inc        0.02
_pd_meas_2theta_range_max        79.980
_pd_meas_2theta_range_min        3.000
_pd_meas_number_of_points        3850
_pd_proc_2theta_range_inc        0.02
_pd_proc_2theta_range_max        79.98
_pd_proc_2theta_range_min        18.02
_pd_proc_ls_pref_orient_corr     none
_pd_proc_ls_profile_function     Pseudo-Voigt
_pd_proc_ls_prof_R_factor        0.0563
_pd_proc_ls_prof_wR_expected     0.0712
_pd_proc_ls_prof_wR_factor       0.0977
_refine_ls_extinction_method     none
_refine_ls_number_parameters     15
_refine_ls_R_factor_all          0.0607
_refine_ls_R_factor_gt           0.0533
_refine_ls_shift/su_max          0.0115
_refine_ls_shift/su_mean         0.0026
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_gt          0.0427
_refine_ls_wR_factor_ref         0.0440
_cod_data_source_file            b902161b.txt
_cod_data_source_block           (II)
_cod_original_cell_volume        321.84(2)
_cod_database_code               7200990