Synthesis and structures of cyclic gold complexes containing diphosphine ligands and luminescent properties of the high nuclearity species.
Bhargava, Suresh; Kitadai, Kunihiko; Masashi, Takahashi; Drumm, Daniel W.; Russo, Salvy P.; Yam, Vivian Wing-Wah; Lee, Terence Kwok-Ming; Wagler, Jörg; Mirzadeh, Nedaossadat; Dalton transactions (Cambridge, England : 2003) 41 (2012) 4789–4798; doi:10.1039/c2dt11722c

data_7018318
_publ_section_title
;
 Synthesis and structures of cyclic gold complexes containing diphosphine
 ligands and luminescent properties of the high nuclearity species.
;
_journal_issue                   16
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4789
_journal_page_last               4798
_journal_paper_doi               10.1039/c2dt11722c
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety         'C26 H22 Au2 I2 P2'
_chemical_formula_sum            'C26 H22 Au2 I2 P2'
_chemical_formula_weight         1044.12
_chemical_name_systematic
;
?
;
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 103.629(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.340(4)
_cell_length_b                   12.988(4)
_cell_length_c                   16.396(5)
_cell_measurement_temperature    173(2)
_cell_volume                     2760.8(15)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0496
_diffrn_reflns_av_sigmaI/netI    0.0827
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            9041
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         2.22
_exptl_absorpt_coefficient_mu    12.980
_exptl_absorpt_correction_T_max  0.299
_exptl_absorpt_correction_T_min  0.237
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS Sheldrick 1996'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.512
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1888
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.098
_exptl_crystal_size_min          0.093
_refine_diff_density_max         3.867
_refine_diff_density_min         -4.442
_refine_diff_density_rms         0.357
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(1)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.981
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         4731
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      0.980
_refine_ls_R_factor_all          0.0651
_refine_ls_R_factor_gt           0.0554
_refine_ls_shift/su_max          0.021
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0895P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1360
_refine_ls_wR_factor_ref         0.1427
_reflns_number_gt                4033
_reflns_number_total             4731
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt11722c.txt
_cod_data_source_block           compound_5
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2760.9(14)
_cod_original_sg_symbol_Hall     C-2yc
_cod_original_sg_symbol_H-M      Cc
_cod_database_code               7018318