Improving the Solubility of 6-Mercaptopurine via Cocrystals and Salts
Xu, Lin-Lin; Chen, Jia-Mei; Yan, Yan; Lu, Tong-Bu; Crystal Growth & Design 12 (2012) 6004–; doi:10.1021/cg3010745

data_4506913
_publ_section_title
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 Improving the Solubility of 6-Mercaptopurine via Cocrystals and Salts
;
_journal_issue                   12
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              6004
_journal_paper_doi               10.1021/cg3010745
_journal_volume                  12
_journal_year                    2012
_chemical_formula_sum            'C9 H14 N6 S'
_chemical_formula_weight         238.32
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   11.0569(3)
_cell_length_b                   13.1725(3)
_cell_length_c                   15.5061(4)
_cell_measurement_reflns_used    2453
_cell_measurement_temperature    130(2)
_cell_measurement_theta_max      65.6860
_cell_measurement_theta_min      2.8474
_cell_volume                     2258.42(10)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.34.49 (release 20-01-2011 CrysAlis171 .NET)
(compiled Jan 20 2011,15:58:25)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.34.49 (release 20-01-2011 CrysAlis171 .NET)
(compiled Jan 20 2011,15:58:25)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.34.49 (release 20-01-2011 CrysAlis171 .NET)
(compiled Jan 20 2011,15:58:25)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      130(2)
_diffrn_detector_area_resol_mean 8.2417
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  'Xcalibur, Onyx, Nova'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0199
_diffrn_reflns_av_sigmaI/netI    0.0219
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            4941
_diffrn_reflns_theta_full        65.79
_diffrn_reflns_theta_max         65.79
_diffrn_reflns_theta_min         5.95
_exptl_absorpt_coefficient_mu    2.418
_exptl_absorpt_correction_T_max  0.5307
_exptl_absorpt_correction_T_min  0.5307
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
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CrysAlisPro, Agilent Technologies,
Version 1.171.34.49 (release 20-01-2011 CrysAlis171 .NET)
(compiled Jan 20 2011,15:58:25)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.402
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             1008
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.228
_refine_diff_density_min         -0.233
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     161
_refine_ls_number_reflns         1903
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0399
_refine_ls_R_factor_gt           0.0330
_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^)+(0.0489P)^2^+0.8333P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0855
_refine_ls_wR_factor_ref         0.0907
_reflns_number_gt                1655
_reflns_number_total             1903
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg3010745_si_004.cif
_cod_data_source_block           xll5
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      'Pbca '
_cod_database_code               4506913