Multi-component crystals of 4-phenylpyridine: challenging the boundaries between co-crystal and organic salt formation with insight into solid-state proton transfer
Seaton, Colin C.; Munshi, Tasnim; Williams, Sara E.; Scowen, Ian J.; CrystEngComm 15 (2013) 5250–; doi:10.1039/c3ce40499d

data_7209934
_publ_section_title
;
 Multi-component crystals of 4-phenylpyridine: challenging the boundaries
 between co-crystal and organic salt formation with insight into
 solid-state proton transfer
;
_journal_issue                   26
_journal_name_full               CrystEngComm
_journal_page_first              5250
_journal_paper_doi               10.1039/c3ce40499d
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety         'C7 H4.76 N O4, C11 H9.24 N'
_chemical_formula_sum            'C18 H14 N2 O4'
_chemical_formula_weight         322.31
_chemical_name_common            '3-nitrobenzoic acid 4-phenylpyridine'
_chemical_name_systematic
;
3-nitrobenzoic acid 4-phenylpyridine
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2013-02-05 # Formatted by publCIF
;
_cell_angle_alpha                90.00
_cell_angle_beta                 109.667(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.7951(6)
_cell_length_b                   6.9089(3)
_cell_length_c                   13.0784(5)
_cell_measurement_reflns_used    9939
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      31.46
_cell_measurement_theta_min      2.43
_cell_volume                     1514.12(10)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.857
_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  0.0258
_diffrn_reflns_av_sigmaI/netI    0.0149
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            31535
_diffrn_reflns_theta_full        29.50
_diffrn_reflns_theta_max         32.13
_diffrn_reflns_theta_min         3.12
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.102
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.414
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.89
_exptl_crystal_size_mid          0.37
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.408
_refine_diff_density_min         -0.230
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         4557
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0512
_refine_ls_R_factor_gt           0.0424
_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^)+(0.0688P)^2^+0.3800P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1170
_refine_ls_wR_factor_ref         0.1255
_reflns_number_gt                3856
_reflns_number_total             4557
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce40499d.txt
_cod_data_source_block           3nba_4pp
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7209934