Rings, chains and helices: new antimicrobial silver coordination compounds with (iso-)nicotinic acid derivatives.
Chevrier, Inès; Sagué, Jorge L; Brunetto, Priscilla S.; Khanna, Nina; Rajacic, Zarko; Fromm, Katharina M.; Dalton transactions (Cambridge, England : 2003) 42 (2013) 217–231; doi:10.1039/c2dt31259j

data_7022031
_publ_section_title
;
 Rings, chains and helices: new antimicrobial silver coordination
 compounds with (iso-)nicotinic acid derivatives.
;
_journal_issue                   1
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              217
_journal_page_last               231
_journal_paper_doi               10.1039/c2dt31259j
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C18 H20 Ag2 N2 O6,2 (N O3)'
_chemical_formula_sum            'C18 H20 Ag2 N4 O12'
_chemical_formula_weight         700.12
_chemical_name_common            'bisnicotinate triethyleneglycol'
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 90.47(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.5066(17)
_cell_length_b                   23.887(5)
_cell_length_c                   10.917(2)
_cell_measurement_reflns_used    15030
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      55.9
_cell_measurement_theta_min      3.4
_cell_volume                     2218.2(8)
_computing_cell_refinement       Xarea
_computing_data_collection       Xarea
_computing_data_reduction        Xarea
_computing_molecular_graphics    diamond
_computing_publication_material  word
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      200(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'STOE IPDS 2T'
_diffrn_measurement_method       'rotation method'
_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  0.0460
_diffrn_reflns_av_sigmaI/netI    0.0208
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            18136
_diffrn_reflns_theta_full        27.90
_diffrn_reflns_theta_max         27.90
_diffrn_reflns_theta_min         1.70
_exptl_absorpt_coefficient_mu    1.841
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8046
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements
Sortav (Blessing 1995)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.096
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       bloc
_exptl_crystal_F_000             1384
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.744
_refine_diff_density_min         -0.807
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.139
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     165
_refine_ls_number_reflns         2657
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.139
_refine_ls_R_factor_all          0.0310
_refine_ls_R_factor_gt           0.0254
_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^)+(0.0210P)^2^+4.0635P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0518
_refine_ls_wR_factor_ref         0.0534
_reflns_number_gt                2400
_reflns_number_total             2657
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c2dt31259j.txt
_cod_data_source_block           l3nagno321
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7022031