Polymers and rings in gold(i) diphosphine complexes: linking gold rings through aurophilic interactions
Brandys, Marie-Claude; Puddephatt, Richard J.; Chemical Communications  (2001) 1280–; doi:10.1039/b103020p

data_7114987
_publ_section_title
;
 Polymers and rings in gold(i) diphosphine complexes: linking gold rings
 through aurophilic interactions
;
_journal_issue                   14
_journal_name_full               'Chemical Communications'
_journal_page_first              1280
_journal_paper_doi               10.1039/b103020p
_journal_year                    2001
_chemical_formula_sum            'C28 H24 Au2 N2 P2'
_chemical_formula_weight         844.36
_chemical_name_common            complex3b
_chemical_name_systematic
; 
? 
;
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 108.34(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.5970(10)
_cell_length_b                   11.4020(9)
_cell_length_c                   19.2580(14)
_cell_measurement_temperature    298(2)
_cell_volume                     2625.5(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.922
_diffrn_measured_fraction_theta_max 0.922
_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  0.0342
_diffrn_reflns_av_sigmaI/netI    0.0440
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            7933
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.86
_exptl_absorpt_coefficient_mu    11.304
_exptl_absorpt_correction_T_max  0.6606
_exptl_absorpt_correction_T_min  0.1138
_exptl_crystal_density_diffrn    2.136
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1576
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.957
_refine_diff_density_min         -3.536
_refine_diff_density_rms         0.266
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.114
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     259
_refine_ls_number_reflns         4262
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.114
_refine_ls_R_factor_all          0.0811
_refine_ls_R_factor_gt           0.0641
_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^)+(0.1084P)^2^+19.1382P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1676
_refine_ls_wR_factor_ref         0.1903
_reflns_number_gt                3381
_reflns_number_total             4262
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b103020p.txt
_cod_data_source_block           00093mc
_cod_original_cell_volume        2625.5(4)
_cod_database_code               7114987