Using structural mimics for accessing and exploring structural landscapes of poorly soluble molecular solids
Perera, Manomi D.; Sinha, Abhijeet S.; Aakeröy, Christer B.; Acta Crystallographica Section B 74 (2018) 42–48; doi:10.1107/S2052520617017371

data_2108212
_publ_section_title
;
 Using structural mimics for accessing and exploring structural landscapes
 of poorly soluble molecular solids
;
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              42
_journal_page_last               48
_journal_paper_doi               10.1107/S2052520617017371
_journal_volume                  74
_journal_year                    2018
_chemical_formula_moiety         '2(C18 H15 N3 O2), C4 H6 O4'
_chemical_formula_sum            'C40 H36 N6 O8'
_chemical_formula_weight         728.74
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 91.423(19)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.145(4)
_cell_length_b                   18.472(7)
_cell_length_c                   9.421(3)
_cell_measurement_reflns_used    3472
_cell_measurement_temperature    130.(2)
_cell_measurement_theta_max      25.17
_cell_measurement_theta_min      2.98
_cell_volume                     1764.9(11)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      130.(2)
_diffrn_measured_fraction_theta_full 'ACTA 50'
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0942
_diffrn_reflns_av_unetI/netI     0.0578
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            28660
_diffrn_reflns_theta_full        'ACTA 50'
_diffrn_reflns_theta_max         26.05
_diffrn_reflns_theta_min         2.01
_exptl_absorpt_coefficient_mu    0.097
_exptl_absorpt_correction_T_max  0.98
_exptl_absorpt_correction_T_min  0.97
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.371
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Blocks
_exptl_crystal_F_000             764
_exptl_crystal_size_max          0.274
_exptl_crystal_size_mid          0.242
_exptl_crystal_size_min          0.157
_refine_diff_density_max         0.261
_refine_diff_density_min         -0.227
_refine_ls_extinction_coef       0.0050(11)
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014)'
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     255
_refine_ls_number_reflns         3419
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0882
_refine_ls_R_factor_gt           0.0474
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0603P)^2^+0.2707P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1088
_refine_ls_wR_factor_ref         0.1311
_reflns_number_gt                2215
_reflns_number_total             3419
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ao5034sup1.cif
_cod_data_source_block           MP1609
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/IUCr/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 

2019-10-01
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_moiety     'C18 H15 N3 O2, 0.5(C4 H6 O4)'
_cod_original_formula_sum        'C20 H18 N3 O4'
_cod_original_formula_units_Z    4
_cod_original_formula_weight     364.37
_cod_database_code               2108212
_shelx_res_checksum              3655
_shelx_hkl_checksum              33550