Synthesis, a case of isostructural packing, and antimicrobial activity of silver(I)quinoxaline nitrate, silver(I)(2,5-dimethylpyrazine) nitrate and two related silver aminopyridine compounds.
Abu-Youssef, Morsy A M; Langer, Vratislav; Ohrström, Lars; Dalton transactions (Cambridge, England : 2003)  (2006) 2542–2550; doi:10.1039/b516723j

data_7007055
_publ_section_title
;
 Synthesis, a case of isostructural packing, and antimicrobial activity
 of silver(I)quinoxaline nitrate, silver(I)(2,5-dimethylpyrazine)
 nitrate and two related silver aminopyridine compounds.
;
_journal_issue                   21
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2542
_journal_page_last               2550
_journal_paper_doi               10.1039/b516723j
_journal_year                    2006
_chemical_formula_sum            'C12 H16 Ag2 N6 O6'
_chemical_formula_weight         556.05
_chemical_name_systematic
;
?
;
_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                 90.101(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.1291(2)
_cell_length_b                   14.0159(1)
_cell_length_c                   9.0890(1)
_cell_measurement_reflns_used    6063
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      32.92
_cell_measurement_theta_min      1.45
_cell_volume                     1672.52(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.958
_diffrn_measured_fraction_theta_max 0.958
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       '\w scans'
_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  0.1315
_diffrn_reflns_av_sigmaI/netI    0.0814
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            29180
_diffrn_reflns_theta_full        32.92
_diffrn_reflns_theta_max         32.92
_diffrn_reflns_theta_min         1.45
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.387
_exptl_absorpt_correction_T_max  0.5155
_exptl_absorpt_correction_T_min  0.1988
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Sheldrick, 2002)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.208
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          1.00
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.32
_refine_diff_density_max         0.820
_refine_diff_density_min         -1.157
_refine_diff_density_rms         0.162
_refine_ls_extinction_coef       0.00126(16)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.002
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     243
_refine_ls_number_reflns         5999
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.002
_refine_ls_R_factor_all          0.0750
_refine_ls_R_factor_gt           0.0403
_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^)+(0.0273P)^2^+0.0136P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0841
_refine_ls_wR_factor_ref         0.0968
_reflns_number_gt                4120
_reflns_number_total             5999
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b516723j.txt
_cod_data_source_block           m1
_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 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7007055