Physical transformations of the active pharmaceutical ingredient BN83495: enantiotropic and monotropic relationships. Access to several polymorphic forms by using various solvation–desolvation processes
Martins, D.; Sanselme, M.; Houssin, O.; Dupray, V.; Petit, M. N.; Pasquier, D.; Diolez, C.; Coquerel, G.; CrystEngComm 14 (2012) 2507–; doi:10.1039/c2ce06537a

data_7207624
_publ_section_title
;
 Physical transformations of the active pharmaceutical ingredient BN83495:
 enantiotropic and monotropic relationships. Access to several polymorphic
 forms by using various solvation--desolvation processes
;
_journal_issue                   7
_journal_name_full               CrystEngComm
_journal_page_first              2507
_journal_paper_doi               10.1039/c2ce06537a
_journal_volume                  14
_journal_year                    2012
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C16 H19 N1 O6 S1'
_chemical_formula_sum            'C16 H19 N O6 S'
_chemical_formula_weight         353.38
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_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_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2011-12-20T14:54:15-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                67.731(9)
_cell_angle_beta                 78.939(8)
_cell_angle_gamma                86.504(9)
_cell_formula_units_Z            2
_cell_length_a                   9.016(4)
_cell_length_b                   9.765(5)
_cell_length_c                   10.068(5)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_measurement_wavelength     0.71073
_cell_volume                     805.0(7)
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.909
_diffrn_measured_fraction_theta_max 0.909
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.026
_diffrn_reflns_av_unetI/netI     0.0839
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            4291
_diffrn_reflns_theta_full        26.45
_diffrn_reflns_theta_max         26.45
_diffrn_reflns_theta_min         2.22
_exptl_absorpt_coefficient_mu    0.234
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.458
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       tablet
_exptl_crystal_F_000             372
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.254
_refine_diff_density_min         -0.305
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.951
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     225
_refine_ls_number_reflns         3016
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.951
_refine_ls_R_factor_all          0.1064
_refine_ls_R_factor_gt           0.0549
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0648P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1167
_refine_ls_wR_factor_ref         0.1296
_reflns_number_gt                1726
_reflns_number_total             3016
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce06537a.txt
_cod_data_source_block           bn_dioxane
_cod_database_code               7207624