Supramolecular structures and physicochemical properties of norfloxacin salts.
Xu, Yun; Jiang, Linglei; Mei, Xuefeng; Acta crystallographica Section B, Structural science, crystal engineering and materials 70 (2014) 750–760; doi:10.1107/S2052520614011718

data_2311647
_publ_section_title
;
 Supramolecular structures and physicochemical properties of norfloxacin
 salts.
;
_journal_issue                   'Pt 4'
_journal_name_full
'Acta crystallographica Section B, Structural science, crystal engineering and materials'
_journal_page_first              750
_journal_page_last               760
_journal_paper_doi               10.1107/S2052520614011718
_journal_volume                  70
_journal_year                    2014
_chemical_formula_sum            'C21 H30 F N3 O10 S'
_chemical_formula_weight         535.55
_chemical_name_common            'NF naphthalene-1, 5-disulfonicate'
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                89.118(19)
_cell_angle_beta                 81.880(17)
_cell_angle_gamma                74.64(2)
_cell_formula_units_Z            2
_cell_length_a                   9.041(3)
_cell_length_b                   10.767(3)
_cell_length_c                   12.438(3)
_cell_measurement_temperature    100(2)
_cell_volume                     1155.5(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SMART'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1013
_diffrn_reflns_av_sigmaI/netI    0.1094
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            15891
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.65
_exptl_absorpt_coefficient_mu    0.212
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.539
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       sheet
_exptl_crystal_F_000             564.0
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.414
_refine_diff_density_min         -0.410
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.077
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     334
_refine_ls_number_reflns         4065
_refine_ls_number_restraints     22
_refine_ls_restrained_S_all      1.078
_refine_ls_R_factor_all          0.1043
_refine_ls_R_factor_gt           0.0470
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+0.5688P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0657
_refine_ls_wR_factor_ref         0.0752
_reflns_number_gt                2459
_reflns_number_total             4065
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            og5069sup1.cif
_cod_data_source_block           2013130_0m
_cod_original_cell_volume        1155.6(5)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               2311647