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_4512071
_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 H10 F6 N8 O7 S4 Zn'
_chemical_formula_weight         685.89
_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                 96.781(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   12.1058(5)
_cell_length_b                   9.1233(7)
_cell_length_c                   11.9600(5)
_cell_measurement_reflns_used    1543
_cell_measurement_temperature    300(2)
_cell_measurement_theta_max      60.9770
_cell_measurement_theta_min      3.6960
_cell_volume                     1311.68(13)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      300(2)
_diffrn_detector_area_resol_mean 10.5058
_diffrn_measured_fraction_theta_full 0.963
_diffrn_measured_fraction_theta_max 0.963
_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  0.0463
_diffrn_reflns_av_sigmaI/netI    0.0386
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            4607
_diffrn_reflns_theta_full        63.52
_diffrn_reflns_theta_max         63.52
_diffrn_reflns_theta_min         3.68
_exptl_absorpt_coefficient_mu    5.147
_exptl_absorpt_correction_T_max  0.7829
_exptl_absorpt_correction_T_min  0.4259
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.737
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             684
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.609
_refine_diff_density_min         -0.637
_refine_diff_density_rms         0.128
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         2081
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0928
_refine_ls_R_factor_gt           0.0779
_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^)+(0.1649P)^2^+0.8246P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2198
_refine_ls_wR_factor_ref         0.2439
_reflns_number_gt                1582
_reflns_number_total             2081
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg5005819_si_004.cif
_cod_data_source_block           2
_cod_original_sg_symbol_H-M      P2/c
_cod_database_code               4512071