Temperature- and Stoichiometry-Controlled Dimensionality in a Magnesium 4,5-Imidazoledicarboxylate System with Strong Hydrophilic Pore Surfaces
K. L. Gurunatha; Kazuhiro Uemura; Tapas Kumar Maji; Inorganic Chemistry 47 (2008) 6578–6580; doi:10.1021/ic8007377

data_4305787
_publ_section_title
;
Temperature- and Stoichiometry-Controlled Dimensionality in a Magnesium
4,5-Imidazoledicarboxylate System with Strong Hydrophilic Pore Surfaces
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6578
_journal_page_last               6580
_journal_paper_doi               10.1021/ic8007377
_journal_volume                  47
_journal_year                    2008
_chemical_formula_sum            'C5 H4 Mg N2 O5'
_chemical_formula_weight         196.41
_chemical_name_systematic
;
 ?
;
_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                 117.9650(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.0347(2)
_cell_length_b                   7.4802(2)
_cell_length_c                   7.3586(3)
_cell_measurement_temperature    293(2)
_cell_volume                     342.00(2)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker,2000)'
_computing_data_reduction        'SAINT (Bruker,2000)'
_computing_molecular_graphics    'Mercury 1.4.1'
_computing_publication_material  'PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-92 (Altomare et al. 1994)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.916
_diffrn_measured_fraction_theta_max 0.916
_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  0.0226
_diffrn_reflns_av_sigmaI/netI    0.0301
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            3872
_diffrn_reflns_theta_full        31.78
_diffrn_reflns_theta_max         31.78
_diffrn_reflns_theta_min         3.13
_exptl_absorpt_coefficient_mu    0.250
_exptl_absorpt_correction_T_max  0.9687
_exptl_absorpt_correction_T_min  0.7954
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.907
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'Needle shape'
_exptl_crystal_F_000             200
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.374
_refine_diff_density_min         -0.303
_refine_diff_density_rms         0.059
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.5
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     130
_refine_ls_number_reflns         1822
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0308
_refine_ls_R_factor_gt           0.0289
_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^)+(0.0433P)^2^+0.0660P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0733
_refine_ls_wR_factor_ref         0.0744
_reflns_number_gt                1740
_reflns_number_total             1822
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic8007377-file001_2.cif
_cod_data_source_block           complex2
_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 
;
_cod_original_cell_volume        342.003(19)
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4305787