Bis[μ-3,3'-dimethyl-3,3'-methylenebis(2,3-dihydro-1<i>H</i>-imidazole)]disilver(I)(<i>Ag{—</i>Ag}) dichloride hemihydrate
Da-Qi Wang; Acta Crystallographica Section E 62 (2006) m1565–m1566; doi:10.1107/S1600536806022136

data_2209560
_publ_section_title
;Bis[\m-3,3'-dimethyl-3,3'-methylenebis(2,3-dihydro-1<i>H</i>-imidazole)]disilver(I)(<i>Ag{---</i>Ag})
 dichloride hemihydrate
;
_journal_coeditor_code           IS2045
_journal_issue                   7
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m1565
_journal_page_last               m1566
_journal_paper_doi               10.1107/S1600536806022136
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          '[Ag2 (C9 H12 N4)2] Cl2, 0.5H2 O'
_chemical_formula_moiety         'C18 H24 Ag2 N8 2+, 2Cl -, 0.5H2 O'
_chemical_formula_sum            'C18 H25 Ag2 Cl2 N8 O0.5'
_chemical_formula_weight         648.10
_chemical_name_systematic
;
Bis[3,3'-dimethyl-3,3'-methylenebis(2,3-dihydro-1H-
imidazole)]disilver(I)(Ag---Ag) dichloride hemihydrate
;
_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                 95.702(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.436(3)
_cell_length_b                   12.498(4)
_cell_length_c                   25.382(8)
_cell_measurement_reflns_used    4595
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.966
_cell_measurement_theta_min      2.293
_cell_volume                     2347.2(14)
_computing_cell_refinement       'SAINT (Bruker, 1998)'
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        SAINT
_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      298(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_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  0.0561
_diffrn_reflns_av_sigmaI/netI    0.0559
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            11631
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.29
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.921
_exptl_absorpt_correction_T_max  0.8773
_exptl_absorpt_correction_T_min  0.5447
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.834
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1284
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.07
_refine_diff_density_max         1.590
_refine_diff_density_min         -0.668
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         4076
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0654
_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^)+(0.0632P)^2^+0.2797P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1113
_refine_ls_wR_factor_ref         0.1218
_reflns_number_gt                2895
_reflns_number_total             4076
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            is2045.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2347.3(14)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_original_formula_sum        'C18 H25 Ag2 Cl2 N8 O0.50'
_cod_database_code               2209560
_cod_database_fobs_code          2209560