“Predicting” Crystal Forms of Pharmaceuticals Using Hydrogen Bond Propensities: Two Test Cases
Nauha, Elisa; Bernstein, Joel; Crystal Growth & Design 14 (2014) 4364–; doi:10.1021/cg500478p

data_4511820
_publ_section_title
;
 &#x201C;Predicting&#x201D; Crystal Forms of Pharmaceuticals Using
 Hydrogen Bond Propensities: Two Test Cases
;
_journal_issue                   9
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              4364
_journal_paper_doi               10.1021/cg500478p
_journal_volume                  14
_journal_year                    2014
_chemical_formula_moiety         'C12 H17 N O3'
_chemical_formula_sum            'C12 H17 N O3'
_chemical_formula_weight         223.27
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 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                 98.313(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   47.646(5)
_cell_length_b                   5.5179(5)
_cell_length_c                   9.5052(9)
_cell_measurement_temperature    250(2)
_cell_volume                     2472.7(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      250(2)
_diffrn_measured_fraction_theta_full 0.949
_diffrn_measured_fraction_theta_max 0.949
_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  0.0232
_diffrn_reflns_av_sigmaI/netI    0.0196
_diffrn_reflns_limit_h_max       50
_diffrn_reflns_limit_h_min       -50
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            6363
_diffrn_reflns_theta_full        56.50
_diffrn_reflns_theta_max         56.50
_diffrn_reflns_theta_min         1.87
_exptl_absorpt_coefficient_mu    0.704
_exptl_absorpt_correction_T_max  0.7511
_exptl_absorpt_correction_T_min  0.6793
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.199
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             960
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.243
_refine_diff_density_min         -0.248
_refine_diff_density_rms         0.034
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.072
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     170
_refine_ls_number_reflns         1548
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.083
_refine_ls_R_factor_all          0.0487
_refine_ls_R_factor_gt           0.0420
_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^)+(0.0616P)^2^+1.5399P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1121
_refine_ls_wR_factor_ref         0.1177
_reflns_number_gt                1332
_reflns_number_total             1548
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg500478p_si_001.cif
_cod_data_source_block           BUF_RT_250
_cod_depositor_comments
'Adding full bibliography for 4511819--4511822.cif.'
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4511820
_shelx_estimated_absorpt_t_min   0.9330
_shelx_estimated_absorpt_t_max   0.9861