<i>catena</i>-Poly[[bis(imidazole-κ<i>N</i>)zinc(II)]-μ-(2<i>R</i>,3<i>R</i>)-tartrato-κ^4^<i>O</i>,<i>O</i>':<i>O</i>'',<i>O</i>''']
Adama, Sy; Mohamed, Gaye; Abdou Salam, Sall; Aliou Hamady, Barry; Ahmed, Driss; Acta Crystallographica Section E 63 (2007) m574–m575; doi:10.1107/S1600536807002127

data_2212308
_publ_section_title
<i>catena</i>-Poly[[bis(imidazole-\k<i>N</i>)zinc(II)]-\m-(2<i>R</i>,3<i>R</i>)-tartrato-\k^4^<i>O</i>,<i>O</i>':<i>O</i>'',<i>O</i>''']
_journal_coeditor_code           NG2195
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m574
_journal_page_last               m575
_journal_paper_doi               10.1107/S1600536807002127
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          '[Zn (C4 H6 O6) (C3 H4 N2)2]'
_chemical_formula_moiety         'C10 H12 N4 O6 Zn'
_chemical_formula_sum            'C10 H12 N4 O6 Zn'
_chemical_formula_weight         349.61
_chemical_name_systematic
catena-Poly[[bis(imidazole-\kN)zinc(II)]-\m-L-(+)-tartrato-\k^4^O,O':O'',O''']
_space_group_IT_number           20
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'C 2c 2'
_symmetry_space_group_name_H-M   'C 2 2 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   8.949(9)
_cell_length_b                   14.175(5)
_cell_length_c                   22.128(5)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      15
_cell_measurement_theta_min      11
_cell_volume                     2807(3)
_computing_cell_refinement       'CAD-4 EXPRESS'
_computing_data_collection       'CAD-4 EXPRESS (Enraf--Nonius, 1994)'
_computing_data_reduction        'MolEN (Fair, 1990)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Enraf--Nonius CAD-4'
_diffrn_measurement_method       \w-2\q
_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  0.0348
_diffrn_reflns_av_sigmaI/netI    0.0231
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            3374
_diffrn_reflns_theta_full        26.97
_diffrn_reflns_theta_max         26.97
_diffrn_reflns_theta_min         2.69
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    1.783
_exptl_absorpt_correction_T_max  0.5796
_exptl_absorpt_correction_T_min  0.4254
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North <i>et al.</i>,  1968)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.655
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1424
_exptl_crystal_size_max          .6
_exptl_crystal_size_mid          .4
_exptl_crystal_size_min          .3
_refine_diff_density_max         0.345
_refine_diff_density_min         -0.381
_refine_ls_abs_structure_details 'Flack (1983), no Friedel pairs'
_refine_ls_abs_structure_Flack   -0.001(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.126
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         3070
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.126
_refine_ls_R_factor_all          0.0300
_refine_ls_R_factor_gt           0.0270
_refine_ls_shift/su_max          0.022
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0387P)^2^+2.8362P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0728
_refine_ls_wR_factor_ref         0.0759
_reflns_number_gt                2935
_reflns_number_total             3070
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ng2195.cif
_cod_data_source_block           I
_cod_original_sg_symbol_Hall     'C 2c2'
_cod_original_sg_symbol_H-M      'C 2 2 2 1'
_cod_database_code               2212308
_cod_database_fobs_code          2212308