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_7209935
_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         'C11 H9 N, C7 H7 N O2'
_chemical_formula_sum            'C18 H16 N2 O2'
_chemical_formula_weight         292.33
_chemical_name_common            '4-aminobenzoic acid 4-phenylpyridine'
_chemical_name_systematic
;
4-aminobenzoic acid 4-phenylpyridine
;
_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                73.5890(10)
_cell_angle_beta                 83.5580(10)
_cell_angle_gamma                68.8970(10)
_cell_formula_units_Z            4
_cell_length_a                   8.1839(2)
_cell_length_b                   10.8800(3)
_cell_length_c                   19.2168(5)
_cell_measurement_reflns_used    9900
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.31
_cell_measurement_theta_min      2.21
_cell_volume                     1531.19(7)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_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  0.0443
_diffrn_reflns_av_sigmaI/netI    0.0358
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            55932
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.60
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.7460
_exptl_absorpt_correction_T_min  0.7085
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SAINT'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.268
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.454
_exptl_crystal_size_mid          0.328
_exptl_crystal_size_min          0.245
_refine_diff_density_max         0.180
_refine_diff_density_min         -0.266
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     421
_refine_ls_number_reflns         6940
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0779
_refine_ls_R_factor_gt           0.0445
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0518P)^2^+0.2902P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0966
_refine_ls_wR_factor_ref         0.1143
_reflns_number_gt                4744
_reflns_number_total             6940
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce40499d.txt
_cod_data_source_block           4aba_4pp
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7209935