Self-Assembly of [Pt3n(CO)6n]2- (n= 4-8) Carbonyl Clusters: from Molecules to Conducting Molecular Metal Wires
Cristina Femoni; Maria Carmela Iapalucci; Giuliano Longoni; Tatiana Lovato; Stefano Stagni; Stefano Zacchini; Inorganic Chemistry 49 (2010) 5992–6004; doi:10.1021/ic100547j

data_4315929
_publ_section_title
;
 Self-Assembly of [Pt3n(CO)6n]2- (n= 4-8) Carbonyl Clusters: from
 Molecules to Conducting Molecular Metal Wires
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5992
_journal_page_last               6004
_journal_paper_doi               10.1021/ic100547j
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C66 H24 N6 O36 Pt18 Ru'
_chemical_formula_weight         5089.60
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 109.232(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.827(3)
_cell_length_b                   29.294(5)
_cell_length_c                   18.596(3)
_cell_measurement_reflns_used    7302
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      24.9315
_cell_measurement_theta_min      2.2915
_cell_volume                     9684(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'CCD area detecor'
_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  0.1150
_diffrn_reflns_av_sigmaI/netI    0.0898
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       34
_diffrn_reflns_limit_k_min       -34
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            89752
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         1.34
_exptl_absorpt_coefficient_mu    26.110
_exptl_absorpt_correction_T_max  0.2022
_exptl_absorpt_correction_T_min  0.1324
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            dark
_exptl_crystal_density_diffrn    3.491
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             8792
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.09
_refine_diff_density_max         5.945
_refine_diff_density_min         -4.415
_refine_diff_density_rms         0.510
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1172
_refine_ls_number_reflns         16973
_refine_ls_number_restraints     1020
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.1342
_refine_ls_R_factor_gt           0.0802
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0999P)^2^+704.5156P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2013
_refine_ls_wR_factor_ref         0.2425
_reflns_number_gt                10271
_reflns_number_total             16973
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic100547j_si_001_5.cif
_cod_data_source_block           p21c
_cod_database_code               4315929