Can picolinamide be a promising cocrystal former?
Chan, H. C. Stephen; Woollam, Grahame R.; Wagner, Trixie; Schmidt, Martin U.; Lewis, Richard A.; CrystEngComm 16 (2014) 4365–; doi:10.1039/c4ce00265b

data_7214364
_publ_section_title
;
 Can picolinamide be a promising cocrystal former?
;
_journal_issue                   21
_journal_name_full               CrystEngComm
_journal_page_first              4365
_journal_paper_doi               10.1039/c4ce00265b
_journal_volume                  16
_journal_year                    2014
_chemical_absolute_configuration ad
_chemical_formula_sum            'C14 H14 N2 O4'
_chemical_formula_weight         274.27
_chemical_name_common            '1:1 pico:man'
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 90.699(13)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.390(2)
_cell_length_b                   9.897(3)
_cell_length_c                   24.214(6)
_cell_measurement_reflns_used    9876
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      68.09
_cell_measurement_theta_min      3.65
_cell_volume                     1291.6(7)
_computing_cell_refinement       'Saint V7.36A (Bruker AXS, 2006)'
_computing_data_collection       'SMART V5.632 (Bruker AXS, 2003)'
_computing_data_reduction        'Saint V7.36A (Bruker AXS, 2006)'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'three-circle goniometer'
_diffrn_measurement_method       \w-scans
_diffrn_radiation_monochromator  'multilayer mirrors'
_diffrn_radiation_source         microsource
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0422
_diffrn_reflns_av_sigmaI/netI    0.0210
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            45411
_diffrn_reflns_theta_full        66.57
_diffrn_reflns_theta_max         66.57
_diffrn_reflns_theta_min         1.82
_exptl_absorpt_coefficient_mu    0.876
_exptl_absorpt_correction_T_max  0.9742
_exptl_absorpt_correction_T_min  0.8107
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2010)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.410
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.159
_refine_diff_density_min         -0.189
_refine_diff_density_rms         0.038
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.07(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     365
_refine_ls_number_reflns         4517
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0287
_refine_ls_R_factor_gt           0.0271
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0384P)^2^+0.2696P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0695
_refine_ls_wR_factor_ref         0.0708
_reflns_number_gt                4365
_reflns_number_total             4517
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce00265b2.cif
_cod_data_source_block           STC28b
_cod_depositor_comments
'Adding full bibliography for 7214357--7214365.cif.'
_cod_original_sg_symbol_H-M      P21
_cod_database_code               7214364
_chemical_source_common          EE/isohex