Altering physical properties of pharmaceutical co-crystals in a systematic manner
Aakeröy, Christer B.; Forbes, Safiyyah; Desper, John; CrystEngComm 16 (2014) 5870–; doi:10.1039/c4ce00206g

data_7214413
_publ_section_title
;
 Altering physical properties of pharmaceutical co-crystals in a
 systematic manner
;
_journal_issue                   26
_journal_name_full               CrystEngComm
_journal_page_first              5870
_journal_paper_doi               10.1039/c4ce00206g
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety
;
(C18 H22 N4 O2) (C4 H6 O4)
;
_chemical_formula_sum            'C22 H28 N4 O6'
_chemical_formula_weight         444.48
_chemical_name_systematic
;
C44-Succ 4-pyridyl-CONH-(CH2)6-NHCO-4-pyridyl, succinic acid
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                89.749(6)
_cell_angle_beta                 81.536(5)
_cell_angle_gamma                80.893(6)
_cell_formula_units_Z            1
_cell_length_a                   5.0275(6)
_cell_length_b                   6.9253(9)
_cell_length_c                   16.058(2)
_cell_measurement_reflns_used    6620
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      34.80
_cell_measurement_theta_min      2.98
_cell_volume                     545.93(12)
_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      120(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.958
_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  0.0241
_diffrn_reflns_av_sigmaI/netI    0.0237
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            14151
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         34.34
_diffrn_reflns_theta_min         2.57
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_T_max  0.9852
_exptl_absorpt_correction_T_min  0.9755
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.352
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             236
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.473
_refine_diff_density_min         -0.225
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     161
_refine_ls_number_reflns         4361
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0533
_refine_ls_R_factor_gt           0.0431
_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^)+(0.0750P)^2^+0.0800P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1222
_refine_ls_wR_factor_ref         0.1305
_reflns_number_gt                3593
_reflns_number_total             4361
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce00206g2.cif
_cod_data_source_block           sf0809m_7
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 7214407--7214417.cif.
;
_cod_original_cell_volume        545.92(12)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7214413