Octanuclear Copper(I) Clusters Inscribed in a Se12 Icosahedron: Anion-Induced Modulation of the Core Size and Symmetry
C. W. Liu; Bijay Sarkar; Yao-Jheng Huang; Ping-Kuei Liao; Ju-Chun Wang; Jean-Yves Saillard; Samia Kahlal; Journal of the American Chemical Society 131 (2009) 11222–11233; doi:10.1021/ja904089t

data_4104842
_publ_section_title
;
 Octanuclear Copper(I) Clusters Inscribed in a Se12 Icosahedron:
 Anion-Induced Modulation of the Core Size and Symmetry
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              11222
_journal_page_last               11233
_journal_paper_doi               10.1021/ja904089t
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C36 H85 Cu8 F6 O12 P7 Se12'
_chemical_formula_weight         2496.67
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 91.879(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   24.254(3)
_cell_length_b                   13.0874(14)
_cell_length_c                   24.861(4)
_cell_measurement_reflns_used    3016
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      20.79
_cell_measurement_theta_min      2.31
_cell_volume                     7887.2(18)
_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, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0525
_diffrn_reflns_av_sigmaI/netI    0.0608
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            20353
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.64
_exptl_absorpt_coefficient_mu    7.850
_exptl_absorpt_correction_T_max  0.7442
_exptl_absorpt_correction_T_min  0.5074
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            'light blue'
_exptl_crystal_density_diffrn    2.103
_exptl_crystal_description       plane
_exptl_crystal_F_000             4784
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.04
_refine_diff_density_max         3.473
_refine_diff_density_min         -0.785
_refine_diff_density_rms         0.129
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     402
_refine_ls_number_reflns         6951
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0917
_refine_ls_R_factor_gt           0.0518
_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^)+(0.0749P)^2^+2.3699P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1309
_refine_ls_wR_factor_ref         0.1441
_reflns_number_gt                4510
_reflns_number_total             6951
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja904089t_si_002_4.cif
_cod_data_source_block           3a
_cod_original_cell_volume        7887.3(17)
_cod_database_code               4104842