Structures and trends of one-dimensional halide-bridged polymers of five-coordinate cadmium(ii) and mercury(ii) with benzopyridine and -pyrazine-type N-donor ligands
Slabbert, C.; Rademeyer, M.; CrystEngComm 17 (2015) 9070–; doi:10.1039/C5CE01333J

data_7223794
_publ_section_title
;
 Structures and trends of one-dimensional halide-bridged polymers of
 five-coordinate cadmium(ii) and mercury(ii) with benzopyridine and
 -pyrazine-type N-donor ligands
;
_journal_issue                   47
_journal_name_full               CrystEngComm
_journal_page_first              9070
_journal_paper_doi               10.1039/C5CE01333J
_journal_volume                  17
_journal_year                    2015
_chemical_formula_moiety         'C12 H8 Br4 Hg2 N2'
_chemical_formula_sum            'C12 H8 Br4 Hg2 N2'
_chemical_formula_weight         901.02
_chemical_name_systematic
;
catena-(bis(2-bromo)-(2-phenazine)-mercury)
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     difmap
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014
_audit_update_record
;
2015-06-26 deposited with the CCDC.
2015-10-19 downloaded from the CCDC.
;
_cell_angle_alpha                71.406(2)
_cell_angle_beta                 80.156(2)
_cell_angle_gamma                78.525(2)
_cell_formula_units_Z            1
_cell_length_a                   4.0824(2)
_cell_length_b                   9.6723(5)
_cell_length_c                   11.1027(5)
_cell_measurement_temperature    293(2)
_cell_volume                     404.48(3)
_computing_cell_refinement       'SAINT (Bruker, 2014)'
_computing_data_collection       'APEX2 (Bruker, 2014)'
_computing_data_reduction        'SAINT (Bruker, 2014)'
_computing_molecular_graphics
;
 ORTEP-3 for Windows (Farrugia, 1997), 
 Mercury (Macrae <i>et al</i>., 2008)
;
_computing_publication_material  'SHELXL-2014, PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXTL, SHELXL-2014/7 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXTS (Sheldrick, 2015)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.24
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker kappa, Photon 100 CMOS'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0569
_diffrn_reflns_av_unetI/netI     0.0290
_diffrn_reflns_laue_measured_fraction_full 0.999
_diffrn_reflns_laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            17111
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.505
_diffrn_reflns_theta_min         1.948
_exptl_absorpt_coefficient_mu    28.823
_exptl_absorpt_correction_T_max  0.7477
_exptl_absorpt_correction_T_min  0.2667
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2014)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    3.699
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             394
_exptl_crystal_size_max          0.324
_exptl_crystal_size_mid          0.102
_exptl_crystal_size_min          0.020
_refine_diff_density_max         3.104
_refine_diff_density_min         -2.456
_refine_diff_density_rms         0.296
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.092
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     91
_refine_ls_number_reflns         2457
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.092
_refine_ls_R_factor_all          0.0272
_refine_ls_R_factor_gt           0.0263
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0327P)^2^+2.2304P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0691
_refine_ls_wR_factor_ref         0.0700
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2377
_reflns_number_total             2457
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5ce01333j2.cif
_cod_data_source_block           shelx
_cod_database_code               7223794
_shelx_estimated_absorpt_t_min   0.039
_shelx_estimated_absorpt_t_max   0.596
_shelxl_version_number           2014-3
_shelx_res_checksum              53627