<i>catena</i>-Poly[[μ-ethylenediamine-κ^2^<i>N</i>:<i>N</i>'-bis[(ethylenediamine-κ^2^<i>N,N</i>')silver(I)] bis[silver(I)-μ-barbiturato-κ^2^<i>N</i>:<i>N</i>']] dihydrate]
Liu, Zhao-Di; Zhu, Hai-Liang; Acta Crystallographica Section E 60 (2004) m1883–m1885; doi:10.1107/S1600536804028661

data_2204640
_publ_section_title
;<i>catena</i>-Poly[[\m-ethylenediamine-\k^2^<i>N</i>:<i>N</i>'-bis[(ethylenediamine-\k^2^<i>N,N</i>')silver(I)]
 bis[silver(I)-\m-barbiturato-\k^2^<i>N</i>:<i>N</i>']] dihydrate]
;
_journal_issue                   12
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m1883
_journal_page_last               m1885
_journal_paper_doi               10.1107/S1600536804028661
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac
'[Ag2 (C2 H8 N2)3] [Ag2 (C8 H10 N2 O3)2], 2H2 O'
_chemical_formula_moiety
'C6 H24 Ag2 N6 2+, C16 H20 Ag2 N4 O6 2-, 2H2 O'
_chemical_formula_sum            'C22 H48 Ag4 N10 O8'
_chemical_formula_weight         1012.18
_chemical_name_systematic
;
catena-Poly[[\m-ethylenediamine-\k^2^N:N'-bis[(ethylenediamine-
\k^2^N,N')silver(I)] [silver(I)-\m-barbiturato-\k^2^N:N']] dihydrate]
;
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                100.54(3)
_cell_angle_beta                 99.51(3)
_cell_angle_gamma                96.76(3)
_cell_formula_units_Z            1
_cell_length_a                   7.696(2)
_cell_length_b                   10.759(2)
_cell_length_c                   10.900(2)
_cell_measurement_reflns_used    3574
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28
_cell_measurement_theta_min      4.3
_cell_volume                     864.9(4)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        'SAINT (Siemens, 1996)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997b)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997a)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Bruker SMART CCD area-detector'
_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  0.0475
_diffrn_reflns_av_sigmaI/netI    0.0693
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            3574
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.94
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.287
_exptl_absorpt_correction_T_max  0.9141
_exptl_absorpt_correction_T_min  0.7254
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.943
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             502
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.279
_refine_diff_density_min         -1.434
_refine_ls_extinction_coef       0.0173(18)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXTL
_refine_ls_goodness_of_fit_ref   0.935
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     203
_refine_ls_number_reflns         2973
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      0.936
_refine_ls_R_factor_all          0.0781
_refine_ls_R_factor_gt           0.0597
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.092P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1435
_refine_ls_wR_factor_ref         0.1517
_reflns_number_gt                2102
_reflns_number_total             2973
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ci6478.cif
_cod_data_source_block           I
_cod_database_code               2204640
_cod_database_fobs_code          2204640