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_7202409
_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 H8 N2 O)2 (C6 F4 I2)
;
_chemical_formula_sum            'C20 H16 F4 I2 N4 O2'
_chemical_formula_weight         674.17
_chemical_name_systematic
;
bis[N-(3-pyridyl)acetamide], 1,4-diiodotetrafluorobenzene
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 90.860(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   4.2616(9)
_cell_length_b                   29.232(6)
_cell_length_c                   17.734(4)
_cell_measurement_reflns_used    4784
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.00
_cell_measurement_theta_min      2.35
_cell_volume                     2209.0(8)
_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      100(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.905
_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  0.0319
_diffrn_reflns_av_sigmaI/netI    0.0436
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -37
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            12189
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.22
_diffrn_reflns_theta_min         1.15
_exptl_absorpt_coefficient_mu    2.906
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.603
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.027
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1288
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.03
_refine_diff_density_max         2.264
_refine_diff_density_min         -1.944
_refine_diff_density_rms         0.199
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.150
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         4939
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.150
_refine_ls_R_factor_all          0.0651
_refine_ls_R_factor_gt           0.0578
_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^)+(0.0500P)^2^+20.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1255
_refine_ls_wR_factor_ref         0.1303
_reflns_number_gt                4460
_reflns_number_total             4939
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b811809d.txt
_cod_data_source_block           A1
_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 2.4.1 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)/n
_cod_database_code               7202409