Tetrakis(2,6-diaminopyridinium) diphthalate 2,6-diaminopyridine
Al-Dajani, Mohammad T. M.; Salhin, Abdusalam; Mohamed, Nornisah; Loh, Wan-Sin; Fun, Hoong-Kun; Acta Crystallographica Section E 65 (2009) o2931–o2932; doi:10.1107/S1600536809044468

data_2223871
_publ_section_title
;
 Tetrakis(2,6-diaminopyridinium) diphthalate 2,6-diaminopyridine
;
_journal_coeditor_code           IS2475
_journal_issue                   11
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o2931
_journal_page_last               o2932
_journal_paper_doi               10.1107/S1600536809044468
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          '4C5 H8 N3 +, 2C8 H4 O4 2-, C5 H7 N3'
_chemical_formula_moiety         '4(C5 H8 N3 +), 2(C8 H4 O4 2-), C5 H7 N3'
_chemical_formula_sum            'C41 H47 N15 O8'
_chemical_formula_weight         877.94
_chemical_name_systematic
;
Tetrakis(2,6-diaminopyridinium) diphthalate 2,6-diaminopyridine
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 101.6700(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   29.7011(6)
_cell_length_b                   15.2183(3)
_cell_length_c                   9.7666(2)
_cell_measurement_reflns_used    8039
_cell_measurement_temperature    100.00(10)
_cell_measurement_theta_max      29.19
_cell_measurement_theta_min      2.49
_cell_volume                     4323.25(15)
_computing_cell_refinement       'SAINT (Bruker, 2005)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINT (Bruker, 2005)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
;
SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009)
;
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.00(10)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type
;
Bruker SMART APEXII CCD area-detector
;
_diffrn_measurement_method       '\f and \w'
_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  0.0371
_diffrn_reflns_av_sigmaI/netI    0.0514
_diffrn_reflns_limit_h_max       33
_diffrn_reflns_limit_h_min       -41
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            28159
_diffrn_reflns_theta_full        30.27
_diffrn_reflns_theta_max         30.27
_diffrn_reflns_theta_min         2.49
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_T_max  0.9921
_exptl_absorpt_correction_T_min  0.9393
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Bruker, 2005)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.349
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1848
_exptl_crystal_size_max          0.65
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.412
_refine_diff_density_min         -0.289
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     368
_refine_ls_number_reflns         6403
_refine_ls_number_restraints     138
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.1227
_refine_ls_R_factor_gt           0.0639
_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^)+(0.0492P)^2^+4.6062P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1270
_refine_ls_wR_factor_ref         0.1528
_reflns_number_gt                3722
_reflns_number_total             6403
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            is2475.cif
_cod_data_source_block           I
_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 

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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2223871
_cod_database_fobs_code          2223871