Bis(imidazolium 2,4,6-tricarboxypyridine) Metal(II) Complexes: Molecular Building Blocks that Generate Isomorphous Hydrogen-Bonded Frameworks
Yigit, Mehmet V.; Biyikli, Kasim; Moulton, Brian; MacDonald, John C.; Crystal Growth & Design 6 (2006) 63–; doi:10.1021/cg050084t

data_4504480
_publ_section_title
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 Bis(imidazolium 2,4,6-tricarboxypyridine) Metal(II) Complexes:&#x2009;
 Molecular Building Blocks that Generate Isomorphous Hydrogen-Bonded
 Frameworks
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_journal_issue                   1
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              63
_journal_paper_doi               10.1021/cg050084t
_journal_volume                  6
_journal_year                    2006
_chemical_formula_sum            'C22 H22 N6 O15 Zn'
_chemical_formula_weight         673.81
_chemical_melting_point          'decomposes above 220 degrees C'
_chemical_name_systematic
;
 bis(imidazolium 2,4,6-tricarboxypyridine) zinc(II) trihydrate
;
_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                 111.9710(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.2364(12)
_cell_length_b                   18.3043(13)
_cell_length_c                   9.9220(7)
_cell_measurement_reflns_used    5605
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      28.30
_cell_measurement_theta_min      2.21
_cell_volume                     2734.6(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SMART'
_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      200(2)
_diffrn_measured_fraction_theta_full 0.935
_diffrn_measured_fraction_theta_max 0.935
_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  0.0461
_diffrn_reflns_av_sigmaI/netI    0.0424
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            8218
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         1.75
_exptl_absorpt_coefficient_mu    0.989
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.637
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1376
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.527
_refine_diff_density_min         -0.509
_refine_diff_density_rms         0.074
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.078
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         3198
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.102
_refine_ls_R_factor_all          0.0441
_refine_ls_R_factor_gt           0.0382
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0617P)^2^+0.2328P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1057
_refine_ls_wR_factor_ref         0.1088
_reflns_number_gt                2762
_reflns_number_total             3198
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg050084tsi20050909_105527.cif
_cod_data_source_block           zn_final
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4504480