Reductive Formation of Straight Linear Metal-Metal Bonded Tetranuclear Complexes X-M-Mo-Mo-M-X from X2M...Mo-Mo...MX2 Supported by Four Tridentate 6-Diphenylphosphino-2-pyridonate Ligands (M = Pd, Pt; X = Cl, Br, I)
Kazushi Mashima; Hiroshi Nakano; Akira Nakamura; Journal of the American Chemical Society 118 (1996) 9083–9095; doi:10.1021/ja960606g

data_4117171
_publ_section_title
;
 Reductive Formation of Straight Linear Metal-Metal Bonded Tetranuclear
 Complexes X-M-Mo-Mo-M-X from X2M...Mo-Mo...MX2 Supported by Four
 Tridentate 6-Diphenylphosphino-2-pyridonate Ligands (M = Pd, Pt; X = Cl,
 Br, I)
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9083
_journal_page_last               9095
_journal_paper_doi               10.1021/ja960606g
_journal_volume                  118
_journal_year                    1996
_chemical_formula_sum            'C69 H54 Br2 Cl2 Mo2 N4 O4 P4 Pt2'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_audit_creation_date             'Mon Oct 23 18:47:30 1995'
_audit_creation_method           'from TEXRAY.INF file'
_cell_angle_alpha                90
_cell_angle_beta                 96.106(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4.00
_cell_length_a                   16.077(3)
_cell_length_b                   16.592(3)
_cell_length_c                   27.861(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    23.0
_cell_measurement_theta_max      29.95
_cell_measurement_theta_min      29.47
_cell_volume                     7390(2)
_computing_cell_refinement       'MSC/AFC Diffractometer Control'
_computing_data_collection       'MSC/AFC Diffractometer Control'
_computing_data_reduction        'teXsan: PROCESS (MSC)'
_computing_publication_material  'teXsan: FINISH (MSC)'
_computing_structure_refinement  'teXsan: LS (MSC)'
_diffrn_ambient_temperature      23.0
_diffrn_measurement_device       AFC5R
_diffrn_measurement_method       'omega scans with profile analysis'
_diffrn_orient_matrix_UB_11      -0.02740
_diffrn_orient_matrix_UB_12      -0.05164
_diffrn_orient_matrix_UB_13      -0.01144
_diffrn_orient_matrix_UB_21      -0.02800
_diffrn_orient_matrix_UB_22      -0.00328
_diffrn_orient_matrix_UB_23      0.03032
_diffrn_orient_matrix_UB_31      -0.04877
_diffrn_orient_matrix_UB_32      0.03090
_diffrn_orient_matrix_UB_33      -0.01590
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rigaku rotating anode'
_diffrn_radiation_type           MoKalpha
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  5.80
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -2
_diffrn_reflns_number            23101
_diffrn_reflns_theta_max         30.0913
_diffrn_standards_decay_%        0.77
_diffrn_standards_interval_count 100
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu_cm 54.131
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.772
_exptl_absorpt_correction_type   psi-scan
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.743
_exptl_crystal_description       undefined
_exptl_crystal_F_000             3728.00
_exptl_crystal_size_max          0.500
_exptl_crystal_size_min          0.300
_refine_diff_density_max         -0.92150
_refine_diff_density_min         1.31640
_refine_ls_extinction_coef       0.26084
_refine_ls_extinction_method     Zachariasen_type_2_gaussian_isotropic
_refine_ls_goodness_of_fit_obs   1.820
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           diagonal
_refine_ls_number_parameters     891
_refine_ls_number_reflns         8943
_refine_ls_number_restraints     0
_refine_ls_R_factor_obs          0.0530
_refine_ls_shift/esd_max         1.8100
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme      sigma
_refine_ls_wR_factor_obs         0.0690
_cod_data_source_file            ja960606g_8.cif
_cod_data_source_block           Mo2Pt2Br2(pyphos)4.(CH2Cl2)
_cod_original_cell_volume        7389(1)
_cod_original_sg_symbol_H-M      'P 21/n '
_cod_original_formula_sum        'C69 H54 O4 N4 P4 Mo2 Pt2 Br2 Cl2'
_cod_database_code               4117171