Reactions of an Osmium(IV) Complex with Allenedienes: Coordination and Intramolecular Cycloadditions
Collado, Alba; Esteruelas, Miguel A.; Gulías, Moisés; Mascareñas, José L.; Oñate, Enrique; Organometallics 31 (2012) 4450–; doi:10.1021/om300236y

data_4078465
_publ_section_title
;
 Reactions of an Osmium(IV) Complex with Allenedienes: Coordination and
 Intramolecular Cycloadditions
;
_journal_issue                   12
_journal_name_full               Organometallics
_journal_page_first              4450
_journal_paper_doi               10.1021/om300236y
_journal_volume                  31
_journal_year                    2012
_chemical_formula_sum            'C32 H60 Cl2 O4 Os P2'
_chemical_formula_weight         831.84
_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                 98.0260(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.5025(19)
_cell_length_b                   14.4025(12)
_cell_length_c                   10.9535(9)
_cell_measurement_reflns_used    5873
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27
_cell_measurement_theta_min      2
_cell_volume                     3671.4(5)
_computing_cell_refinement       'SAINT+ v. 7.56a (Bruker AXS, 2008)'
_computing_data_collection       'apex2 v. 7.0 (Bruker AXS, 2009)'
_computing_data_reduction        'SAINT+ v. 7.56a (Bruker AXS, 2008)'
_computing_molecular_graphics    'XP, SHELXTL v. 6.14 (Bruker, 2000)'
_computing_publication_material  'XCIF, SHELXTL v. 6.14 (Bruker, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.26
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.926
_diffrn_measurement_device_type  'Bruker APEX DUO system'
_diffrn_measurement_method       '\w rotations 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  0.0465
_diffrn_reflns_av_sigmaI/netI    0.0590
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            30314
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         30.47
_diffrn_reflns_theta_min         1.66
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    3.738
_exptl_absorpt_correction_T_max  0.862
_exptl_absorpt_correction_T_min  0.654
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 Absorption correction performed with SADABS program. This is based on the
method of Blessing: Blessing, R. H., Acta Crystallogr., Sect. A 1995, 51, 33.
;
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.505
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'irregular block'
_exptl_crystal_F_000             1696
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         2.114
_refine_diff_density_min         -0.801
_refine_diff_density_rms         0.131
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.994
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     393
_refine_ls_number_reflns         10346
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.994
_refine_ls_R_factor_all          0.0759
_refine_ls_R_factor_gt           0.0351
_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^)+(0.0300P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0663
_refine_ls_wR_factor_ref         0.0765
_reflns_number_gt                6338
_reflns_number_total             10346
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om300236y_si_002.cif
_cod_data_source_block           enriquen26
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4078465