Syntheses, studies and crystal structures of coordination polymers and dinuclear complexes of mercury(II) halides and thiocyanate with a symmetrical Schiff base ligand
Ali Akbar Khandar; Veysel Turan Yilmaz; Ferdinando Costantino; Sedat Gumus; Seyed Abolfazl Hosseini-Yazdi; Ghodrat Mahmoudi; Inorganica Chimica Acta 393 (2012) 36–44; doi:10.1016/j.ica.2012.06.007

data_1512685
_publ_section_title
;
 Syntheses, studies and crystal structures of coordination polymers and
 dinuclear complexes of mercury(II) halides and thiocyanate with a
 symmetrical Schiff base ligand
;
_journal_name_full
;
Inorganica Chimica Acta
;
_journal_page_first              36
_journal_page_last               44
_journal_paper_doi               10.1016/j.ica.2012.06.007
_journal_volume                  393
_journal_year                    2012
_chemical_formula_sum            'C26 H22 Br4 Hg2 N4'
_chemical_formula_weight         1111.30
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                72.741(2)
_cell_angle_beta                 74.953(2)
_cell_angle_gamma                72.897(2)
_cell_formula_units_Z            2
_cell_length_a                   10.4135(18)
_cell_length_b                   11.274(2)
_cell_length_c                   13.233(2)
_cell_measurement_reflns_used    6540
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.7945
_cell_measurement_theta_min      2.2265
_cell_volume                     1392.5(4)
_computing_cell_refinement       'Apex2 v2009.7-0'
_computing_data_collection       'Apex2 v2009.7-0 (Bruker, 2009)'
_computing_data_reduction        'Apex2 v2009.7-0'
_computing_molecular_graphics    'SHELXTL 6.14'
_computing_publication_material  'SHELXTL 6.14'
_computing_structure_refinement  'SHELXTL 6.14'
_computing_structure_solution
'SHELXTL 6.14 (Bruker, 2000-2003; Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker AXS SMART APEX CCD diffractometer'
_diffrn_measurement_method       '\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  0.0320
_diffrn_reflns_av_sigmaI/netI    0.0446
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            14852
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.64
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    16.774
_exptl_absorpt_correction_T_max  0.7463
_exptl_absorpt_correction_T_min  0.2867
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Apex2  v2009.7-0 (Bruker, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.650
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1012
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.20
_refine_diff_density_max         3.143
_refine_diff_density_min         -1.973
_refine_diff_density_rms         0.222
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     326
_refine_ls_number_reflns         6830
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0387
_refine_ls_R_factor_gt           0.0324
_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^)+(0.0235P)^2^+12.9382P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0787
_refine_ls_wR_factor_ref         0.0813
_reflns_number_gt                5994
_reflns_number_total             6830
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ICA-2013-394-36-44-3.cif
_cod_data_source_block           3
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1512685