Enhancing the Solubility of 6-Mercaptopurine by Formation of Ionic Cocrystal with Zinc Trifluoromethanesulfonate: Single-Crystal-to-Single-Crystal Transformation
Yao, Jia; Chen, Jia-Mei; Xu, Yi-Bo; Lu, Tong-Bu; Crystal Growth & Design 14 (2014) 5019–; doi:10.1021/cg5005819

data_4512069
_publ_section_title
;
 Enhancing the Solubility of 6-Mercaptopurine by Formation of Ionic
 Cocrystal with Zinc Trifluoromethanesulfonate:
 Single-Crystal-to-Single-Crystal Transformation
;
_journal_issue                   10
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              5019
_journal_paper_doi               10.1021/cg5005819
_journal_volume                  14
_journal_year                    2014
_chemical_formula_sum            'C12 H16 F6 N8 O10 S4 Zn'
_chemical_formula_weight         739.94
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           13
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yc'
_symmetry_space_group_name_H-M   'P 1 2/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                 98.048(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   12.2567(4)
_cell_length_b                   9.1981(4)
_cell_length_c                   11.9933(4)
_cell_measurement_reflns_used    2435
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      65.0600
_cell_measurement_theta_min      3.6210
_cell_volume                     1338.79(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.5058
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'Enhance Ultra (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0214
_diffrn_reflns_av_sigmaI/netI    0.0208
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            4670
_diffrn_reflns_theta_full        63.68
_diffrn_reflns_theta_max         63.68
_diffrn_reflns_theta_min         3.64
_exptl_absorpt_coefficient_mu    5.180
_exptl_absorpt_correction_T_max  0.7817
_exptl_absorpt_correction_T_min  0.6254
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.836
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             744
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.427
_refine_diff_density_min         -0.408
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     234
_refine_ls_number_reflns         2154
_refine_ls_number_restraints     37
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.0531
_refine_ls_R_factor_gt           0.0476
_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^)+(0.0754P)^2^+1.3913P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1302
_refine_ls_wR_factor_ref         0.1356
_reflns_number_gt                1858
_reflns_number_total             2154
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg5005819_si_002.cif
_cod_data_source_block           2
_cod_original_sg_symbol_H-M      P2/c
_cod_database_code               4512069