Nine-Membered Osmacycles Derived from Metathesis Reactions between Alkynes and an Osmafuran
Lin, Yumei; Gong, Lei; Xu, Hui; He, Xumin; Wen, Ting Bin; Xia, Haiping; Organometallics 28 (2009) 1524–; doi:10.1021/om8010867

data_4068780
_publ_section_title
;
 Nine-Membered Osmacycles Derived from Metathesis Reactions between
 Alkynes and an Osmafuran
;
_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              1524
_journal_paper_doi               10.1021/om8010867
_journal_volume                  28
_journal_year                    2009
_chemical_formula_moiety
'C42 H42 Cl2 O2 Os P2&#x00A3;&#x00AC;0.5CH2Cl2'
_chemical_formula_sum            'C42.5 H43 Cl3 O2 Os P2'
_chemical_formula_weight         944.26
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.6837(2)
_cell_length_b                   23.4194(4)
_cell_length_c                   14.1523(3)
_cell_measurement_reflns_used    8456
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      29.1513
_cell_measurement_theta_min      2.3155
_cell_volume                     4203.86(13)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0275
_diffrn_reflns_av_sigmaI/netI    0.0323
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            14886
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.32
_exptl_absorpt_coefficient_mu    3.334
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.78358
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.492
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1884
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.32
_refine_diff_density_max         1.618
_refine_diff_density_min         -0.604
_refine_diff_density_rms         0.132
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.971(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     475
_refine_ls_number_reflns         4961
_refine_ls_number_restraints     43
_refine_ls_restrained_S_all      0.998
_refine_ls_R_factor_all          0.0494
_refine_ls_R_factor_gt           0.0394
_refine_ls_shift/su_max          0.014
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0891P)^2^+1.7452P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1175
_refine_ls_wR_factor_ref         0.1225
_reflns_number_gt                4131
_reflns_number_total             4961
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om8010867_si_002.cif
_cod_data_source_block           complex3
_cod_original_sg_symbol_H-M      Pna2(1)
_cod_original_formula_sum        'C42.50 H43 Cl3 O2 Os P2'
_cod_database_code               4068780