Exploring the Coordination of Cyclic Selenoureas to Gold(I)
Nelson, David J.; Nahra, Fady; Patrick, Scott R.; Cordes, David B.; Slawin, Alexandra M. Z.; Nolan, Steven P.; Organometallics  (2014) 140702161847002–; doi:10.1021/om500610w

data_4083885
_publ_section_title
;
 Exploring the Coordination of Cyclic Selenoureas to Gold(I)
;
_journal_name_full               Organometallics
_journal_page_first              140702161847002
_journal_paper_doi               10.1021/om500610w
_journal_year                    2014
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C69 H56 Au Cl N2 Se, 0.75(C H2 Cl2)'
_chemical_formula_sum            'C69.75 H57.5 Au Cl2.5 N2 Se'
_chemical_formula_weight         1288.29
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      9
_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
_cell_angle_alpha                90.0000
_cell_angle_beta                 91.6577(17)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   25.8318(18)
_cell_length_b                   12.4514(8)
_cell_length_c                   17.8248(14)
_cell_measurement_reflns_used    10721
_cell_measurement_temperature    173
_cell_measurement_theta_max      25.35
_cell_measurement_theta_min      1.58
_cell_volume                     5730.8(7)
_computing_cell_refinement       'CrystalClear-SM Expert 2.1 b29'
_computing_data_collection       'CrystalClear-SM Expert 2.1 b29 (Rigaku, 2013)'
_computing_data_reduction        'CrystalClear-SM Expert 2.1 b29'
_computing_molecular_graphics    'CrystalStructure 4.1'
_computing_publication_material  'CrystalStructure 4.1 (Rigaku, 2013)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'DIRDIF99-PATTY (Gould, et al., 1999)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 5.811
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku XtaLAB P200'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0335
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            34447
_diffrn_reflns_point_group_measured_fraction_full 0.971
_diffrn_reflns_point_group_measured_fraction_max 0.969
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.389
_diffrn_reflns_theta_min         1.577
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.372
_exptl_absorpt_correction_T_max  0.764
_exptl_absorpt_correction_T_min  0.592
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.493
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2582.00
_exptl_crystal_size_max          0.210
_exptl_crystal_size_mid          0.120
_exptl_crystal_size_min          0.080
_refine_diff_density_max         1.67
_refine_diff_density_min         -0.51
_refine_ls_abs_structure_details
;
           Flack x determined using 4555 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   -0.007(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     696
_refine_ls_number_reflns         10211
_refine_ls_number_restraints     4
_refine_ls_R_factor_gt           0.0222
_refine_ls_shift/su_max          0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0230P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0539
_reflns_Friedel_coverage         0.938
_reflns_number_gt                9772
_reflns_number_total             10211
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            om500610w_si_002.cif
_cod_data_source_block           2e
_cod_database_code               4083885