Tetrakis(2,2'-bipyridine)-1κ^4^<i>N</i>,<i>N</i>';4κ^4^<i>N</i>,<i>N</i>'-hexa-μ-iodido-1:2κ^4^<i>I</i>:<i>I</i>;2:3κ^4^<i>I</i>:<i>I</i>;3:4κ^4^<i>I</i>:<i>I</i>-1,4-dicadmium(II)-2,3-disilver(I)
Yan-Si Jiang; Hua-Gang Yao; Long-Jiang Zou; Yong-Lin An; Acta Crystallographica Section E 63 (2007) m2880–m2880; doi:10.1107/S1600536807052841

data_2216607
_publ_section_title
Tetrakis(2,2'-bipyridine)-1\k^4^<i>N</i>,<i>N</i>';4\k^4^<i>N</i>,<i>N</i>'-hexa-\m-iodido-1:2\k^4^<i>I</i>:<i>I</i>;2:3\k^4^<i>I</i>:<i>I</i>;3:4\k^4^<i>I</i>:<i>I</i>-1,4-dicadmium(II)-2,3-disilver(I)
_journal_coeditor_code           KP2139
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m2880
_journal_page_last               m2880
_journal_paper_doi               10.1107/S1600536807052841
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          '[Ag2 Cd2 I6 (C10 H8 N2)4]'
_chemical_formula_moiety         'C40 H32 Ag2 Cd2 I6 N8'
_chemical_formula_sum            'C40 H32 Ag2 Cd2 I6 N8'
_chemical_formula_weight         1826.68
_chemical_name_systematic
;
Tetrakis(2,2-bipyridine)-1\k^4^N,N';4\k^4^N,N'-
hexa-\m-iodido-1:2\k^4^I:I;2:3\k^4^I:I;3:4\k^4^I:I-
1,4-dicadmium(II)-2,3-disilver(I)(Ag---Ag)
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 94.374(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.9170(6)
_cell_length_b                   21.5098(15)
_cell_length_c                   12.8527(9)
_cell_measurement_reflns_used    6188
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.32
_cell_measurement_theta_min      2.46
_cell_volume                     2458.0(3)
_computing_cell_refinement       SMART
_computing_data_collection       SMART
_computing_data_reduction        SMART
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997b)'
_computing_publication_material  'SHELXTL (Sheldrick, 1997b)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997a)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker SMART APEXII CCD'
_diffrn_measurement_method       '\f and \w'
_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  0.0447
_diffrn_reflns_av_sigmaI/netI    0.0510
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            14678
_diffrn_reflns_theta_full        28.52
_diffrn_reflns_theta_max         28.52
_diffrn_reflns_theta_min         2.48
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.443
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    2.468
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1672
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.192
_refine_diff_density_min         -1.020
_refine_ls_extinction_coef       0.0073(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 1997)'
_refine_ls_goodness_of_fit_ref   0.997
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     263
_refine_ls_number_reflns         6188
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.997
_refine_ls_R_factor_all          0.0584
_refine_ls_R_factor_gt           0.0443
_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^)+(0.0653P)^2^+1.6703P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1112
_refine_ls_wR_factor_ref         0.1207
_reflns_number_gt                4890
_reflns_number_total             6188
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            kp2139.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2216607
_cod_database_fobs_code          2216607