Tailoring aqueous solubility of a highly soluble compound via cocrystallization: effect of coformer ionization, pHmax and solute–solvent interactions
Maheshwari, Chinmay; André, Vânia; Reddy, Sreenivas; Roy, Lilly; Duarte, Teresa; Rodríguez-Hornedo, Naír; CrystEngComm 14 (2012) 4801–; doi:10.1039/c2ce06615g

data_7215016
_publ_section_title
;
 Tailoring aqueous solubility of a highly soluble compound via
 cocrystallization: effect of coformer ionization, pHmax and
 solute--solvent interactions
;
_journal_issue                   14
_journal_name_full               CrystEngComm
_journal_page_first              4801
_journal_paper_doi               10.1039/c2ce06615g
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C9 H15 N O, C7 H6 O4'
_chemical_formula_sum            'C16 H21 N O5'
_chemical_formula_weight         307.34
_chemical_name_common            GBPLGA
_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'
_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                 107.008(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.9663(6)
_cell_length_b                   27.045(3)
_cell_length_c                   9.4703(10)
_cell_measurement_reflns_used    7157
_cell_measurement_temperature    85(2)
_cell_measurement_theta_max      23.08
_cell_measurement_theta_min      2.37
_cell_volume                     1461.3(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART-APEX'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      85(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0501
_diffrn_reflns_av_sigmaI/netI    0.0275
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            32048
_diffrn_reflns_theta_full        28.37
_diffrn_reflns_theta_max         28.37
_diffrn_reflns_theta_min         2.37
_exptl_absorpt_coefficient_mu    0.104
_exptl_absorpt_correction_T_max  0.9959
_exptl_absorpt_correction_T_min  0.9597
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Blessing, R. Acta Cryst. (1995) A51 33-38.
Sheldrick, G. SADABS (Version 2007/4) Bruker AXS area
detector absorption and other corrections, University of
Gottingen, Germany 2007.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.397
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             656
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.355
_refine_diff_density_min         -0.267
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.099
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     215
_refine_ls_number_reflns         3647
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.099
_refine_ls_R_factor_all          0.0546
_refine_ls_R_factor_gt           0.0445
_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^)+(0.0428P)^2^+0.7235P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1019
_refine_ls_wR_factor_ref         0.1067
_reflns_number_gt                3077
_reflns_number_total             3647
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce06615g.txt
_cod_data_source_block           GBPLGA
_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)/n
_cod_database_code               7215016