New Insights into the Aggregation of Silver Pyrazolides Using Sterically Hindered Bidentate Pyrazole Ligands
James J. Henkelis; Colin A. Kilner; Malcolm A. Halcrow; Chem.Commun. 47 (2011) 5187–; doi:10.1039/c1cc00054c

data_7106323
_publ_section_title
;
 New Insights into the Aggregation of Silver Pyrazolides Using Sterically
 Hindered Bidentate Pyrazole Ligands
;
_journal_name_full               Chem.Commun.
_journal_page_first              5187
_journal_paper_doi               10.1039/c1cc00054c
_journal_volume                  47
_journal_year                    2011
_chemical_formula_moiety         'C24 H28 Ag3 Br N6'
_chemical_formula_sum            'C24 H28 Ag3 Br N6'
_chemical_formula_weight         804.04
_chemical_name_systematic
;
Bis[3{5}-(pyrid-2-yl)-5{3}-tertbutylpyrazolido]bromotrisilver(I)
;
_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                 99.199(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.9535(13)
_cell_length_b                   9.6805(9)
_cell_length_c                   21.741(2)
_cell_measurement_reflns_used    74513
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.47
_cell_measurement_theta_min      1.59
_cell_volume                     2691.2(4)
_computing_cell_refinement       'APEX 2 software, Bruker Nonius 2004'
_computing_data_collection       'APEX 2 software, Bruker Nonius 2004'
_computing_data_reduction        'SAINT, Bruker Nonius 2004'
_computing_molecular_graphics    'XSEED (Barbour, 2003)'
_computing_publication_material  'local program'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean '120 microns'
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker X8 Apex diffractometer'
_diffrn_measurement_method       'Rotation images'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0746
_diffrn_reflns_av_sigmaI/netI    0.0315
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            74513
_diffrn_reflns_theta_full        28.47
_diffrn_reflns_theta_max         28.47
_diffrn_reflns_theta_min         1.59
_exptl_absorpt_coefficient_mu    3.670
_exptl_absorpt_correction_T_max  0.730
_exptl_absorpt_correction_T_min  0.571
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Sheldrick, G. M. (2002). SADABS v. 2.03. University of
G/ottingen, Germany.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.984
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1560
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.552
_refine_diff_density_min         -0.623
_refine_diff_density_rms         0.127
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.100
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     323
_refine_ls_number_reflns         6763
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.104
_refine_ls_R_factor_all          0.0307
_refine_ls_R_factor_gt           0.0201
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+1.9005P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0448
_refine_ls_wR_factor_ref         0.0505
_reflns_number_gt                5726
_reflns_number_total             6763
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1cc00054c.txt
_cod_data_source_block           mh391_(beta-2)
_cod_original_cell_volume        2691.2(5)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7106323