A Twist in Cocrystals of Salts: Changes in Packing and Chloride Coordination Lead to Opposite Trends in the Biopharmaceutical Performance of Fluoroquinolone Hydrochloride Cocrystals
Martínez-Alejo, Juan M.; Domínguez-Chávez, Jorge G.; Rivera-Islas, Jesús; Herrera-Ruiz, Dea; Höpfl, Herbert; Morales-Rojas, Hugo; Senosiain, Juan P.; Crystal Growth & Design 14 (2014) 3078–; doi:10.1021/cg500345a

data_4510819
_publ_section_title
;
 A Twist in Cocrystals of Salts: Changes in Packing and Chloride
 Coordination Lead to Opposite Trends in the Biopharmaceutical Performance
 of Fluoroquinolone Hydrochloride Cocrystals
;
_journal_issue                   6
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3078
_journal_paper_doi               10.1021/cg500345a
_journal_volume                  14
_journal_year                    2014
_chemical_formula_moiety         '2(C21 H25 F N3 O4), C H4 O, 2(Cl)'
_chemical_formula_sum            'C21.5 H27 Cl F N3 O4.5'
_chemical_formula_weight         453.91
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  'P 1'
_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                91.298(4)
_cell_angle_beta                 91.219(5)
_cell_angle_gamma                101.160(4)
_cell_formula_units_Z            2
_cell_length_a                   6.6136(18)
_cell_length_b                   10.492(3)
_cell_length_c                   15.293(4)
_cell_measurement_reflns_used    4610
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.28
_cell_measurement_theta_min      2.35
_cell_volume                     1040.5(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0342
_diffrn_reflns_av_sigmaI/netI    0.0855
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            10118
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.33
_exptl_absorpt_coefficient_mu    0.230
_exptl_absorpt_correction_T_max  0.93
_exptl_absorpt_correction_T_min  0.91
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            'light yellow'
_exptl_crystal_density_diffrn    1.449
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'rectangular prism'
_exptl_crystal_F_000             478
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.39
_exptl_crystal_size_min          0.31
_refine_diff_density_max         0.592
_refine_diff_density_min         -0.324
_refine_diff_density_rms         0.075
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.50(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     583
_refine_ls_number_reflns         7203
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.082
_refine_ls_R_factor_all          0.0968
_refine_ls_R_factor_gt           0.0788
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0936P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1708
_refine_ls_wR_factor_ref         0.1875
_reflns_number_gt                5679
_reflns_number_total             7203
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg500345a_si_004.cif
_cod_data_source_block           johuzwem
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/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 

 Adding full bibliography for 4510818--4510820.cif.
;
_cod_original_sg_symbol_H-M      P1
_cod_database_code               4510819