Poly[bis[μ-1,4-bis(imidazol-1-ylmethyl)benzene]dichloridocadmium(II)]
Ding, Yu; Zheng, Genwen; Fu, Zhengbing; Hu, Xinliang; Acta Crystallographica Section E 64 (2008) m973–; doi:10.1107/S1600536808018990

data_2218806
_publ_section_title
;
 Poly[bis[\m-1,4-bis(imidazol-1-ylmethyl)benzene]dichloridocadmium(II)]
;
_journal_coeditor_code           SG2246
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m973
_journal_paper_doi               10.1107/S1600536808018990
_journal_volume                  64
_journal_year                    2008
_chemical_formula_iupac          '[Cd Cl2 (C14 H14 N4)2]'
_chemical_formula_moiety         'C28 H28 Cd Cl2 N8'
_chemical_formula_sum            'C28 H28 Cd Cl2 N8'
_chemical_formula_weight         659.88
_chemical_name_systematic
;
Poly[bis[\m-1,4-bis(imidazol-1-ylmethyl)benzene]dichloridocadmium(II)]
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 105.6420(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.7983(3)
_cell_length_b                   12.8274(6)
_cell_length_c                   14.4190(6)
_cell_measurement_reflns_used    4013
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.34
_cell_measurement_theta_min      2.71
_cell_volume                     1388.94(10)
_computing_cell_refinement       'SMART (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SAINT (Bruker, 2001)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area-detector'
_diffrn_measurement_method       '\f and \w'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0368
_diffrn_reflns_av_sigmaI/netI    0.0339
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            7453
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         2.16
_exptl_absorpt_coefficient_mu    1.013
_exptl_absorpt_correction_T_max  0.78
_exptl_absorpt_correction_T_min  0.74
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SAINT; Bruker, 2001)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.578
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             668
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.344
_refine_diff_density_min         -0.435
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     178
_refine_ls_number_reflns         2728
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.0290
_refine_ls_R_factor_gt           0.0238
_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^)+(0.0298P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0554
_refine_ls_wR_factor_ref         0.0577
_reflns_number_gt                2331
_reflns_number_total             2728
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sg2246.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2218806
_cod_database_fobs_code          2218806