Synthesis and Structural Characterization of Cocrystals and Pharmaceutical Cocrystals: Mechanochemistry vs Slow Evaporation from Solution
Weyna, David R.; Shattock, Tanise; Vishweshwar, Peddy; Zaworotko, Michael J.; Crystal Growth & Design 9 (2009) 1106–; doi:10.1021/cg800936d

data_4509152
_publ_section_title
;
 Synthesis and Structural Characterization of Cocrystals and
 Pharmaceutical Cocrystals: Mechanochemistry vs Slow Evaporation from
 Solution
;
_journal_issue                   2
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1106
_journal_paper_doi               10.1021/cg800936d
_journal_volume                  9
_journal_year                    2009
_chemical_formula_moiety         'C12 H10 N2, C6 H6 O2'
_chemical_formula_sum            'C18 H16 N2 O2'
_chemical_formula_weight         292.33
_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                 92.296(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.000(2)
_cell_length_b                   17.265(6)
_cell_length_c                   7.062(2)
_cell_measurement_temperature    100(2)
_cell_volume                     731.0(4)
_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      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0252
_diffrn_reflns_av_sigmaI/netI    0.0335
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            4136
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.36
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  0.987
_exptl_absorpt_correction_T_min  0.979
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.328
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             308
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.269
_refine_diff_density_min         -0.244
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     100
_refine_ls_number_reflns         1493
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0525
_refine_ls_R_factor_gt           0.0428
_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^)+(0.0405P)^2^+0.2402P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0990
_refine_ls_wR_factor_ref         0.1028
_reflns_number_gt                1258
_reflns_number_total             1493
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg800936dsup14.cif
_cod_data_source_block           ts467c
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4509152