Multiple Crystal Forms ofp-Aminosalicylic Acid: Salts, Salt Co-Crystal Hydrate, Co-Crystals, and Co-Crystal Polymorphs
Goswami, Pramod Kumar; Thaimattam, Ram; Ramanan, Arunachalam; Crystal Growth & Design 13 (2013) 360–; doi:10.1021/cg3015332

data_4507334
_publ_section_title
;
 Multiple Crystal Forms ofp-Aminosalicylic Acid: Salts, Salt Co-Crystal
 Hydrate, Co-Crystals, and Co-Crystal Polymorphs
;
_journal_issue                   1
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              360
_journal_paper_doi               10.1021/cg3015332
_journal_volume                  13
_journal_year                    2013
_chemical_formula_moiety         'C7 H6 N O3, C5 H6 N O'
_chemical_formula_sum            'C12 H12 N2 O4'
_chemical_formula_weight         248.24
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.951(4)
_cell_length_b                   5.1138(15)
_cell_length_c                   17.068(5)
_cell_measurement_reflns_used    1817
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.30
_cell_measurement_theta_min      2.68
_cell_volume                     1130.4(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0418
_diffrn_reflns_av_sigmaI/netI    0.0538
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       2
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            5206
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.39
_exptl_absorpt_coefficient_mu    0.111
_exptl_absorpt_correction_T_max  0.978
_exptl_absorpt_correction_T_min  0.955
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2000)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.459
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.553
_exptl_crystal_size_mid          0.348
_exptl_crystal_size_min          0.197
_refine_diff_density_max         0.311
_refine_diff_density_min         -0.266
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.291
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     183
_refine_ls_number_reflns         1982
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.291
_refine_ls_R_factor_all          0.0788
_refine_ls_R_factor_gt           0.0720
_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^)+(0.0556P)^2^+0.9881P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1507
_refine_ls_wR_factor_ref         0.1531
_reflns_number_gt                1817
_reflns_number_total             1982
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg3015332_si_003.cif
_cod_data_source_block           solid4
_cod_database_code               4507334