Diaquabis(2-bromobenzoato-κ<i>O</i>)bis(nicotinamide-κ<i>N</i>^1^)zinc(II)
Hökelek, Tuncer; Dal, Hakan; Tercan, Barış; Özbek, F. Elif; Necefoğlu, Hacali; Acta Crystallographica Section E 65 (2009) m607–m608; doi:10.1107/S1600536809015645

data_2221873
_publ_section_title
;
 Diaquabis(2-bromobenzoato-\k<i>O</i>)bis(nicotinamide-\k<i>N</i>^1^)zinc(II)
;
_journal_coeditor_code           XU2517
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m607
_journal_page_last               m608
_journal_paper_doi               10.1107/S1600536809015645
_journal_volume                  65
_journal_year                    2009
_chemical_formula_iupac          '[Zn (C7 H4 Br O2)2 (C6 H6 N2 O)2 (H2 O)2]'
_chemical_formula_moiety         'C26 H24 Br2 N4 O8 Zn'
_chemical_formula_sum            'C26 H24 Br2 N4 O8 Zn'
_chemical_formula_weight         745.68
_chemical_name_systematic
;
Diaquabis(2-bromobenzoato-\k<i>O</i>)bis(nicotinamide-\k<i>N</i>^1^)zinc(II)
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 106.3460(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.9111(2)
_cell_length_b                   18.1604(4)
_cell_length_c                   9.8345(3)
_cell_measurement_reflns_used    7038
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.44
_cell_measurement_theta_min      2.43
_cell_volume                     1355.80(6)
_computing_cell_refinement       'SAINT (Bruker, 2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type
'Bruker Kappa APEXII CCD area-detector diffctometer'
_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  0.0809
_diffrn_reflns_av_sigmaI/netI    0.0463
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            12839
_diffrn_reflns_theta_full        28.47
_diffrn_reflns_theta_max         28.47
_diffrn_reflns_theta_min         2.24
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.911
_exptl_absorpt_correction_T_max  0.393
_exptl_absorpt_correction_T_min  0.230
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.827
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             744
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.33
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.768
_refine_diff_density_min         -0.510
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     203
_refine_ls_number_reflns         3416
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0317
_refine_ls_R_factor_gt           0.0256
_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^)+(0.0306P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0638
_refine_ls_wR_factor_ref         0.0653
_reflns_number_gt                2948
_reflns_number_total             3416
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            xu2517.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2221873
_cod_database_fobs_code          2221873