Coinage metal complexes with bridging hybrid phosphine-NHC ligands: synthesis of di- and tetra-nuclear complexes.
Simler, Thomas; Braunstein, Pierre; Danopoulos, Andreas A.; Dalton transactions (Cambridge, England : 2003) 45 (2016) 5122–5139; doi:10.1039/c6dt00275g

data_7038383
_publ_section_title
;
 Coinage metal complexes with bridging hybrid phosphine-NHC ligands:
 synthesis of di- and tetra-nuclear complexes.
;
_journal_issue                   12
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5122
_journal_page_last               5139
_journal_paper_doi               10.1039/c6dt00275g
_journal_volume                  45
_journal_year                    2016
_chemical_formula_moiety         'C52 H54 Ag4 Br4 N4 P2'
_chemical_formula_sum            'C52 H54 Ag4 Br4 N4 P2'
_chemical_formula_weight         1548.05
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2016-01-06 deposited with the CCDC.
2016-02-11 downloaded from the CCDC.
;
_cell_angle_alpha                110.594(2)
_cell_angle_beta                 92.605(2)
_cell_angle_gamma                104.763(2)
_cell_formula_units_Z            2
_cell_length_a                   11.3196(8)
_cell_length_b                   14.9520(11)
_cell_length_c                   20.0621(15)
_cell_measurement_reflns_used    9387
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      30.03
_cell_measurement_theta_min      2.67
_cell_volume                     3039.2(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0261
_diffrn_reflns_av_unetI/netI     0.0351
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            64149
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.047
_diffrn_reflns_theta_min         1.520
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    3.986
_exptl_absorpt_correction_T_max  0.7460
_exptl_absorpt_correction_T_min  0.6115
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.692
_exptl_crystal_description       prism
_exptl_crystal_F_000             1504
_exptl_crystal_size_max          0.320
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.250
_platon_squeeze_details
;
 The residual electron density was assigned to a molecule of the
 diethyl ether solvent [61/2 = 31 e per asymmetric unit; one molecule
 of C4H10O would give 42e].
;
_refine_diff_density_max         2.496
_refine_diff_density_min         -4.211
_refine_diff_density_rms         0.187
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     597
_refine_ls_number_reflns         17653
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.080
_refine_ls_R_factor_all          0.0815
_refine_ls_R_factor_gt           0.0589
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0869P)^2^+14.3193P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1642
_refine_ls_wR_factor_ref         0.1753
_reflns_Friedel_coverage         0.000
_reflns_number_gt                13141
_reflns_number_total             17653
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6dt00275g2.cif
_cod_data_source_block           pbst130611
_cod_depositor_comments
'Adding full bibliography for 7038380--7038388.cif.'
_cod_database_code               7038383
_shelx_estimated_absorpt_t_min   0.362
_shelx_estimated_absorpt_t_max   0.436
_shelxl_version_number           2013-4
_shelx_res_checksum              82749