Polymer-Induced Heteronucleation of Tolfenamic Acid: Structural Investigation of a Pentamorph
Vilmalí López-Mejías; Jeff W. Kampf; Adam J. Matzger; Journal of the American Chemical Society 131 (2009) 4554–4555; doi:10.1021/ja806289a

data_4104112
_publ_section_title
;
 Polymer-Induced Heteronucleation of Tolfenamic Acid: Structural
 Investigation of a Pentamorph
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4554
_journal_page_last               4555
_journal_paper_doi               10.1021/ja806289a
_journal_volume                  131
_journal_year                    2009
_chemical_formula_moiety         'C14 H12 Cl N O2'
_chemical_formula_sum            'C14 H12 Cl N O2'
_chemical_formula_weight         261.70
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 93.03(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   7.6356(15)
_cell_length_b                   11.305(2)
_cell_length_c                   28.065(6)
_cell_measurement_reflns_used    9917
_cell_measurement_temperature    85(2)
_cell_measurement_theta_max      23.33
_cell_measurement_theta_min      2.32
_cell_volume                     2419.2(8)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART-APEX'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      85(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0526
_diffrn_reflns_av_sigmaI/netI    0.0245
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            55895
_diffrn_reflns_theta_full        28.36
_diffrn_reflns_theta_max         28.36
_diffrn_reflns_theta_min         1.94
_exptl_absorpt_coefficient_mu    0.308
_exptl_absorpt_correction_T_max  0.9438
_exptl_absorpt_correction_T_min  0.9326
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  Blessing, R. Acta Cryst. (1995) A51 33-38.
  Sheldrick, G.  SADABS (Version 2007/4) Bruker AXS area
  detector absorption and other corrections, University of
  Gottingen, Germany 2007.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.437
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.548
_refine_diff_density_min         -0.293
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     335
_refine_ls_number_reflns         6036
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0488
_refine_ls_R_factor_gt           0.0448
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0616P)^2^+1.1722P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1169
_refine_ls_wR_factor_ref         0.1208
_reflns_number_gt                5446
_reflns_number_total             6036
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja806289a_si_001.cif
_cod_data_source_block           tolfo3
_cod_original_cell_volume        2419.1(8)
_cod_database_code               4104112