Chiral one- and two-dimensional silver(I)‒biotin coordination polymers
Altaf, Muhammad; Stoeckli-Evans, Helen; Acta Crystallographica Section C 69 (2013) 127–137; doi:10.1107/S0108270113000322

data_2018776
_publ_section_title
;
 Chiral one- and two-dimensional silver(I)--biotin coordination polymers
;
_journal_coeditor_code           EG3103
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              127
_journal_page_last               137
_journal_paper_doi               10.1107/S0108270113000322
_journal_volume                  69
_journal_year                    2013
_chemical_formula_iupac          '[Ag2 (N O3)2 (C10 H16 N2 O3 S1)2] , H2 O'
_chemical_formula_moiety         'C20 H32 Ag2 N6 O12 S2, H2 O'
_chemical_formula_sum            'C20 H34 Ag2 N6 O13 S2'
_chemical_formula_weight         846.39
_chemical_name_systematic
;
<i>catena</i>-poly[[bis[nitratosilver(I)]-
bis{\m~3~-5-[(3a<i>S</i>,4<i>S</i>,6a<i>R</i>)-2-oxohexahydro-1<i>H</i>-
thieno[3,4-<i>d</i>]imidazol-4-yl]pentanoato}] monohydrate]
;
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 99.337(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.8568(12)
_cell_length_b                   8.0321(4)
_cell_length_c                   16.8886(9)
_cell_measurement_reflns_used    25171
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      29.62
_cell_measurement_theta_min      1.89
_cell_volume                     2925.6(3)
_computing_cell_refinement       'X-AREA (Stoe & Cie, 2009)'
_computing_data_collection       'X-AREA (Stoe & Cie, 2009)'
_computing_data_reduction        'X-RED32 (Stoe & Cie, 2009)'
_computing_molecular_graphics
;
PLATON (Spek, 2009) and Mercury (Macrae <i>et al.</i>, 2008)
;
_computing_publication_material
;
SHELXL97 (Sheldrick, 2008), PLATON (Spek, 2009) and publCIF
(Westrip, 2010)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device       '2-circle goniometer'
_diffrn_measurement_device_type  'Stoe IPDS 2'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'plane graphite'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0238
_diffrn_reflns_av_sigmaI/netI    0.0227
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            21197
_diffrn_reflns_theta_full        25.25
_diffrn_reflns_theta_max         29.25
_diffrn_reflns_theta_min         1.89
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.555
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.878
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(MULABS in PLATON; Spek, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.922
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1704
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.430
_refine_diff_density_min         -0.497
_refine_ls_abs_structure_details 'Flack (1983), with 3655 Friedel pairs'
_refine_ls_abs_structure_Flack   -0.017(10)
_refine_ls_extinction_coef       0.00060(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   0.973
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     410
_refine_ls_number_reflns         7861
_refine_ls_number_restraints     7
_refine_ls_restrained_S_all      0.973
_refine_ls_R_factor_all          0.0221
_refine_ls_R_factor_gt           0.0187
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.0254P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0401
_refine_ls_wR_factor_ref         0.0408
_reflns_number_gt                7163
_reflns_number_total             7861
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            eg3103.cif
_cod_data_source_block           II
_cod_original_sg_symbol_H-M      'C 2'
_cod_database_code               2018776
_cod_database_fobs_code          2018776