Oxometalate and phosphine ligand co-protected silver nanoclusters: Ag<sub>28</sub>(dppb)<sub>6</sub>(MO<sub>4</sub>)<sub>4</sub> and Ag<sub>32</sub>(dppb)<sub>12</sub>(MO<sub>4</sub>)<sub>4</sub>(NO<sub>3</sub>)<sub>4</sub>.
Duan, Guang-Xiong; Han, Jun; Yang, Bao-Zhu; Xie, Yun-Peng; Lu, Xing; Nanoscale 12 (2020) 1617–1622; doi:10.1039/c9nr07779k

data_1556543
_publ_section_title
;
 Oxometalate and phosphine ligand co-protected silver nanoclusters:
 Ag<sub>28</sub>(dppb)<sub>6</sub>(MO<sub>4</sub>)<sub>4</sub> and
 Ag<sub>32</sub>(dppb)<sub>12</sub>(MO<sub>4</sub>)<sub>4</sub>(NO<sub>3</sub>)<sub>4</sub>.
;
_journal_issue                   3
_journal_name_full               Nanoscale
_journal_page_first              1617
_journal_page_last               1622
_journal_paper_doi               10.1039/c9nr07779k
_journal_volume                  12
_journal_year                    2020
_chemical_formula_sum            'C168 H170 Ag28 O17 P12 W4'
_chemical_formula_weight         6588.43
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2019-04-10 deposited with the CCDC.	2019-12-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 120.8820(10)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   57.246(3)
_cell_length_b                   33.4588(16)
_cell_length_c                   38.553(4)
_cell_measurement_reflns_used    9640
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      2.24
_cell_measurement_theta_min      22.55
_cell_volume                     63375(8)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX3'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'CCD MX300-HE'
_diffrn_measurement_method       'phi scans'
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.6525
_diffrn_reflns_av_R_equivalents  0.0674
_diffrn_reflns_av_unetI/netI     0.0456
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       67
_diffrn_reflns_limit_h_min       -67
_diffrn_reflns_limit_k_max       39
_diffrn_reflns_limit_k_min       -39
_diffrn_reflns_limit_l_max       45
_diffrn_reflns_limit_l_min       -45
_diffrn_reflns_number            366423
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        24.711
_diffrn_reflns_theta_max         24.711
_diffrn_reflns_theta_min         1.088
_diffrn_source                   'SSRF, Beamline B17B'
_exptl_absorpt_coefficient_mu    2.54
_exptl_absorpt_correction_T_max  0.666
_exptl_absorpt_correction_T_min  0.571
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.381
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             24848
_exptl_crystal_size_max          0.240
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.160
_refine_diff_density_max         3.546
_refine_diff_density_min         -2.354
_refine_diff_density_rms         0.336
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     2056
_refine_ls_number_reflns         53734
_refine_ls_number_restraints     975
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.1762
_refine_ls_R_factor_gt           0.1214
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1170P)^2^+9787.0635P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3161
_refine_ls_wR_factor_ref         0.3674
_reflns_Friedel_coverage         0.000
_reflns_number_gt                37228
_reflns_number_total             53734
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9nr07779k2.cif
_cod_data_source_block           11_a_CCDC1
_cod_depositor_comments
'Adding full bibliography for 1556541--1556543.cif.'
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1556543
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.512
_shelx_estimated_absorpt_t_max   0.627
_shelx_res_checksum              93094