{4,4',6,6'-Tetrabromo-2,2'-[2,2-dimethylpropane-1,3-diylbis(nitrilomethanylylidene)]diphenolato}nickel(II)
Kargar, Hadi; Kia, Reza; Tahir, Muhammad Nawaz; Acta Crystallographica Section E 68 (2012) m753–; doi:10.1107/S1600536812020375

data_2235249
_publ_section_title
;
 {4,4',6,6'-Tetrabromo-2,2'-[2,2-dimethylpropane-1,3-diylbis(nitrilomethanylylidene)]diphenolato}nickel(II)
;
_journal_coeditor_code           SU2421
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m753
_journal_paper_doi               10.1107/S1600536812020375
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          '[Ni (C19 H16 Br4 N2 O2)]'
_chemical_formula_moiety         'C19 H16 Br4 N2 Ni O2'
_chemical_formula_sum            'C19 H16 Br4 N2 Ni O2'
_chemical_formula_weight         682.69
_chemical_name_systematic
{4,4',6,6'-Tetrabromo-2,2'-[2,2-dimethylpropane-1,3-diylbis(nitrilomethanylylidene)]diphenolato}nickel(II)
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_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            4
_cell_length_a                   16.1125(11)
_cell_length_b                   15.4789(12)
_cell_length_c                   8.4734(5)
_cell_measurement_reflns_used    2540
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.40
_cell_measurement_theta_min      2.45
_cell_volume                     2113.3(3)
_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  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type
;
Bruker SMART APEXII CCD area-detector
;
_diffrn_measurement_method       '\f and \w 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  0.0488
_diffrn_reflns_av_sigmaI/netI    0.0348
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            16236
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.82
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    8.499
_exptl_absorpt_correction_T_max  0.8710
_exptl_absorpt_correction_T_min  0.6936
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Bruker, 2005)'
_exptl_crystal_colour            dark-red
_exptl_crystal_density_diffrn    2.146
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1312
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.523
_refine_diff_density_min         -0.783
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     129
_refine_ls_number_reflns         2086
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0544
_refine_ls_R_factor_gt           0.0328
_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^)+(0.0387P)^2^+0.4809P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0677
_refine_ls_wR_factor_ref         0.0753
_reflns_number_gt                1574
_reflns_number_total             2086
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            su2421.cif
_cod_data_source_block           I
_cod_database_code               2235249
_cod_database_fobs_code          2235249