Enlargement of Globular Silver Alkynide Cluster via Core Transformation
Sam C. K. Hau; Ping-Shing Cheng; Thomas C. W. Mak; Journal of the American Chemical Society 134 (2012) 2922–2925; doi:10.1021/ja211438q

data_4117467
_publ_section_title
;
 Enlargement of Globular Silver Alkynide Cluster via Core Transformation
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              2922
_journal_page_last               2925
_journal_paper_doi               10.1021/ja211438q
_journal_volume                  134
_journal_year                    2012
_chemical_formula_sum            'C96 H126 Ag14 Cl2'
_chemical_formula_weight         2861.05
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           148
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_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                120.00
_cell_formula_units_Z            3
_cell_length_a                   24.4626(14)
_cell_length_b                   24.4626(14)
_cell_length_c                   14.0339(7)
_cell_measurement_temperature    173(2)
_cell_volume                     7273.0(7)
_computing_cell_refinement       SAINT(Bruker,2001)
_computing_data_collection       APEX2(Bruker,2003)
_computing_data_reduction        APEX2(Bruker,2003)
_computing_molecular_graphics    DIAMOND
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX II CCD diffractometer'
_diffrn_measurement_method       '\f and \w scan'
_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  0.0926
_diffrn_reflns_av_sigmaI/netI    0.0289
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            55710
_diffrn_reflns_theta_full        25.24
_diffrn_reflns_theta_max         25.24
_diffrn_reflns_theta_min         1.66
_exptl_absorpt_coefficient_mu    2.854
_exptl_absorpt_correction_T_max  0.4815
_exptl_absorpt_correction_T_min  0.3948
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.960
_exptl_crystal_description       block
_exptl_crystal_F_000             4182
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.30
_refine_diff_density_max         1.789
_refine_diff_density_min         -0.985
_refine_diff_density_rms         0.120
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     170
_refine_ls_number_reflns         2935
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0577
_refine_ls_R_factor_gt           0.0435
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0459P)^2^+109.2425P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1068
_refine_ls_wR_factor_ref         0.1185
_reflns_number_gt                2385
_reflns_number_total             2935
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja211438q_si_002_4.cif
_cod_data_source_block           3B
_cod_original_sg_symbol_H-M      'R -3'
_cod_database_code               4117467