Chelate and Bridge Diphosphine Isomerization: Triosmium and Triruthenium Clusters Containing 1,1‘-Bis(diphenylphosphino)ferrocene (dppf)
Begum, Noorjahan; Das, Uttam K.; Hassan, Manzur; Hogarth, Graeme; Kabir, Shariff E.; Nordlander, Ebbe; Rahman, Mohammad A.; Tocher, Derek A.; Organometallics 26 (2007) 6462–; doi:10.1021/om700759z

data_4073960
_publ_section_title
;
 Chelate and Bridge Diphosphine Isomerization:&#x00A0; Triosmium and
 Triruthenium Clusters Containing
 1,1&#x2018;-Bis(diphenylphosphino)ferrocene (dppf)
;
_journal_issue                   25
_journal_name_full               Organometallics
_journal_page_first              6462
_journal_paper_doi               10.1021/om700759z
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C45 H37 Fe O8 Os3 P2'
_chemical_formula_weight         1394.14
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     heavy
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 105.9710(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.6709(12)
_cell_length_b                   11.8123(7)
_cell_length_c                   21.0066(13)
_cell_measurement_temperature    150(2)
_cell_volume                     4692.7(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.960
_diffrn_measurement_device_type  'Bruker SMART APEX CCD diffractometer'
_diffrn_measurement_method       '\w rotation with narrow frames'
_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  0.0412
_diffrn_reflns_av_sigmaI/netI    0.0417
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            39840
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.67
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    8.516
_exptl_absorpt_correction_T_max  0.6754
_exptl_absorpt_correction_T_min  0.1142
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.973
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2620
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.854
_refine_diff_density_min         -0.929
_refine_diff_density_rms         0.171
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_matrix_type           full
_refine_ls_number_parameters     567
_refine_ls_number_reflns         11178
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.0323
_refine_ls_R_factor_gt           0.0278
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0336P)^2^+7.4150P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0704
_refine_ls_wR_factor_ref         0.0725
_reflns_number_gt                10032
_reflns_number_total             11178
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om700759z-file001.cif
_cod_data_source_block           str0420
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4073960