Structures and trends of neutral MXxsolvent4−xtetrahedra and anionic [MX4]2−tetrahalometallates of zinc(ii), cadmium(ii) and mercury(ii) with benzopyridine- and benzopyrazine-type N-donor ligands or cations
Slabbert, C.; Rademeyer, M.; CrystEngComm 18 (2016) 4555–; doi:10.1039/C6CE00568C

data_7224928
_publ_section_title
;
 Structures and trends of neutral MXxsolvent4&#x2212;xtetrahedra and
 anionic [MX4]2&#x2212;tetrahalometallates of zinc(ii), cadmium(ii) and
 mercury(ii) with benzopyridine- and benzopyrazine-type N-donor ligands or
 cations
;
_journal_issue                   24
_journal_name_full               CrystEngComm
_journal_page_first              4555
_journal_paper_doi               10.1039/C6CE00568C
_journal_volume                  18
_journal_year                    2016
_chemical_formula_moiety         '2(C13 H10 N), Br4 Zn'
_chemical_formula_sum            'C26 H20 Br4 N2 Zn'
_chemical_formula_weight         745.45
_chemical_name_common
;
bis(acridinium) tetrabromo-zinc (II)
;
_chemical_name_systematic
;
bis(acridinium) tetrabromo-zinc (II)
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     'intrinsic phasing'
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014
_audit_update_record
;
2016-03-09 deposited with the CCDC.
2016-04-14 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 92.513(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.1044(13)
_cell_length_b                   10.2306(9)
_cell_length_c                   19.0699(19)
_cell_measurement_temperature    293(2)
_cell_volume                     2554.2(4)
_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 1.000
_diffrn_measured_fraction_theta_max 0.950
_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  0.0663
_diffrn_reflns_av_unetI/netI     0.0306
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.950
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            38980
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.950
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.009
_diffrn_reflns_theta_min         2.527
_exptl_absorpt_coefficient_mu    7.237
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.4813
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2014)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.939
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1440
_exptl_crystal_size_max          0.249
_exptl_crystal_size_mid          0.174
_exptl_crystal_size_min          0.050
_refine_diff_density_max         4.368
_refine_diff_density_min         -2.217
_refine_diff_density_rms         0.415
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.218
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     151
_refine_ls_number_reflns         3064
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.218
_refine_ls_R_factor_all          0.0986
_refine_ls_R_factor_gt           0.0885
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1414P)^2^+175.8493P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2868
_refine_ls_wR_factor_ref         0.2974
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2701
_reflns_number_total             3064
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6ce00568c2.cif
_cod_data_source_block           shelx
_cod_depositor_comments
'Adding full bibliography for 7224924--7224939.cif.'
_cod_database_code               7224928
_shelx_estimated_absorpt_t_min   0.266
_shelx_estimated_absorpt_t_max   0.714
_shelxl_version_number           2014-3
_shelx_res_checksum              55820