Luminescent Au(I)/Cu(I) Alkynyl Clusters with an Ethynyl Steroid and Related Aliphatic Ligands: An Octanuclear Au4Cu4 Cluster and Luminescence Polymorphism in Au3Cu2 Clusters
Gerald F. Manbeck; William W. Brennessel; Robert A. Stockland; Richard Eisenberg; Journal of the American Chemical Society 132 (2010) 12307–12318; doi:10.1021/ja103400e

data_4102997
_publ_section_title
;
 Luminescent Au(I)/Cu(I) Alkynyl Clusters with an Ethynyl Steroid and
 Related Aliphatic Ligands: An Octanuclear Au4Cu4 Cluster and Luminescence
 Polymorphism in Au3Cu2 Clusters
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12307
_journal_page_last               12318
_journal_paper_doi               10.1021/ja103400e
_journal_volume                  132
_journal_year                    2010
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C42 H54 Au3 Cu2 O6, C36 H30 N P2, 4(C H2 Cl2)'
_chemical_formula_sum            'C82 H92 Au3 Cl8 Cu2 N O6 P2'
_chemical_formula_weight         2251.09
_chemical_name_common            6b
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.0506(13)
_cell_length_b                   20.7398(15)
_cell_length_c                   22.5954(16)
_cell_measurement_reflns_used    3963
_cell_measurement_temperature    100.0(1)
_cell_measurement_theta_max      34.05
_cell_measurement_theta_min      2.26
_cell_volume                     8458.9(11)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      100.0(1)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD Platform'
_diffrn_measurement_method       'area detector, \w scans per \f'
_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  0.0878
_diffrn_reflns_av_sigmaI/netI    0.0837
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       -35
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            209066
_diffrn_reflns_theta_full        37.78
_diffrn_reflns_theta_max         37.78
_diffrn_reflns_theta_min         1.33
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    6.021
_exptl_absorpt_correction_T_max  0.4861
_exptl_absorpt_correction_T_min  0.3036
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.768
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             4400
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.14
_refine_diff_density_max         2.692
_refine_diff_density_min         -1.875
_refine_diff_density_rms         0.249
_refine_ls_abs_structure_details
'Flack H D (1983), 21135 Friedel pairs, Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.006(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     924
_refine_ls_number_reflns         45248
_refine_ls_number_restraints     26
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0930
_refine_ls_R_factor_gt           0.0496
_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^)+(0.0613P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1084
_refine_ls_wR_factor_ref         0.1260
_reflns_number_gt                31055
_reflns_number_total             45248
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja103400e_si_003_6.cif
_cod_data_source_block           6b
_cod_database_code               4102997