Norfloxacin salts with benzenedicarboxylic acids: charge-assisted hydrogen-bonding recognition and solubility regulation
Huang, Xian-Feng; Zhang, Zhi-Hui; Zhang, Qing-Qing; Wang, Ling-Zhu; He, Ming-Yang; Chen, Qun; Song, Guo-Qiang; Wei, Lin; Wang, Fan; Du, Miao; CrystEngComm 15 (2013) 6090–; doi:10.1039/c3ce40567b

data_7215133
_publ_section_title
;
 Norfloxacin salts with benzenedicarboxylic acids: charge-assisted
 hydrogen-bonding recognition and solubility regulation
;
_journal_issue                   30
_journal_name_full               CrystEngComm
_journal_page_first              6090
_journal_paper_doi               10.1039/c3ce40567b
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety         '2(C16 H19 F N3 O3), 2(C8 H6 N O4), 7(H2 O)'
_chemical_formula_sum            'C48 H64 F2 N8 O21'
_chemical_formula_weight         1127.07
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.283(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.964(3)
_cell_length_b                   14.760(4)
_cell_length_c                   18.275(5)
_cell_measurement_reflns_used    8005
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.45
_cell_measurement_theta_min      2.59
_cell_volume                     2687.6(13)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.978
_diffrn_measured_fraction_theta_max 0.978
_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  0.0528
_diffrn_reflns_av_sigmaI/netI    0.0526
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            14525
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.62
_exptl_absorpt_coefficient_mu    0.114
_exptl_absorpt_correction_T_max  0.9820
_exptl_absorpt_correction_T_min  0.9753
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.393
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1188
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.651
_refine_diff_density_min         -0.431
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     373
_refine_ls_number_reflns         4888
_refine_ls_number_restraints     19
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0952
_refine_ls_R_factor_gt           0.0797
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1565P)^2^+1.4048P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2345
_refine_ls_wR_factor_ref         0.2475
_reflns_number_gt                3848
_reflns_number_total             4888
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce40567b.cif
_cod_data_source_block           5
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7215133