Ten years of co-crystal synthesis; the good, the bad, and the ugly
Aakeröy, Christer B.; Desper, John; Fasulo, Meg; Hussain, Izhar; Levin, Brock; Schultheiss, Nate; CrystEngComm 10 (2008) 1816–; doi:10.1039/b811809d

data_7202415
_publ_section_title
;
 Ten years of co-crystal synthesis; the good, the bad, and the ugly
;
_journal_issue                   12
_journal_name_full               CrystEngComm
_journal_page_first              1816
_journal_paper_doi               10.1039/b811809d
_journal_volume                  10
_journal_year                    2008
_chemical_formula_moiety
;
(C7 H5 N O4) (C7 H8 N2 O)2 (C6 F4 I2)2
;
_chemical_formula_sum            'C33 H21 F8 I4 N5 O6'
_chemical_formula_weight         1243.15
_chemical_name_systematic
;
(pyridine-3,5-COOH) (2-AcNH-pyr)2, (1,4-I2-F4-benzene)2
;
_space_group_IT_number           18
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2 2ab'
_symmetry_space_group_name_H-M   'P 21 21 2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   30.345(2)
_cell_length_b                   4.1878(3)
_cell_length_c                   16.6946(12)
_cell_measurement_reflns_used    6219
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      24.40
_cell_measurement_theta_min      2.35
_cell_volume                     2121.5(3)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_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      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.989
_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  0.1209
_diffrn_reflns_av_sigmaI/netI    0.0834
_diffrn_reflns_limit_h_max       39
_diffrn_reflns_limit_h_min       -39
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            27677
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.86
_diffrn_reflns_theta_min         1.81
_exptl_absorpt_coefficient_mu    3.018
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.605
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.946
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1172
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.037
_refine_diff_density_min         -0.938
_refine_diff_density_rms         0.169
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.07(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     254
_refine_ls_number_reflns         5003
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.0845
_refine_ls_R_factor_gt           0.0427
_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^)+(0.0600P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1067
_refine_ls_wR_factor_ref         0.1235
_reflns_number_gt                3336
_reflns_number_total             5003
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b811809d.txt
_cod_data_source_block           A7
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2
_cod_database_code               7202415