Chiral Osmium Complexes with Sterically Bulky Schiff-Base Ligands. Crystal Structures of Os(IV) Derivatives and the Reactivity and Catalytic Cyclopropanation of Alkenes with EDA
Jing Zhang; Jiang-Lin Liang; Xian-Ru Sun; Hai-Bing Zhou; Nian-Yong Zhu; Zhong-Yuan Zhou; Philip Wai Hong Chan; Chi-Ming Che; Inorganic Chemistry 44 (2005) 3942–3954; doi:10.1021/ic0481935

data_4308865
_publ_section_title
;
Chiral Osmium Complexes with Sterically Bulky Schiff-Base Ligands. Crystal
Structures of Os(IV) Derivatives and the Reactivity and Catalytic
Cyclopropanation of Alkenes with EDA
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3942
_journal_page_last               3954
_journal_paper_doi               10.1021/ic0481935
_journal_volume                  44
_journal_year                    2005
_chemical_formula_sum            'C36 H52 Cl2 N2 O2 Os'
_chemical_formula_weight         805.90
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                69.723(2)
_cell_angle_beta                 81.066(2)
_cell_angle_gamma                71.178(2)
_cell_formula_units_Z            2
_cell_length_a                   12.1571(11)
_cell_length_b                   13.3553(12)
_cell_length_c                   13.3721(12)
_cell_measurement_reflns_used    CCD
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1
_cell_volume                     1925.4(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        Shelxtl
_computing_molecular_graphics    Shelxtl
_computing_publication_material  Shelxtl
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Bruker CCD Area Detector'
_diffrn_measurement_method       'phi and omega scan'
_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  0.0364
_diffrn_reflns_av_sigmaI/netI    0.0585
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            13050
_diffrn_reflns_theta_full        27.54
_diffrn_reflns_theta_max         27.54
_diffrn_reflns_theta_min         1.63
_exptl_absorpt_coefficient_mu    3.481
_exptl_absorpt_correction_T_max  0.6801
_exptl_absorpt_correction_T_min  0.5428
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_density_diffrn    1.390
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       PRISM
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.059
_refine_diff_density_min         -0.933
_refine_diff_density_rms         0.177
_refine_ls_extinction_coef       0.0036(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.812
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     389
_refine_ls_number_reflns         8735
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.812
_refine_ls_R_factor_all          0.0540
_refine_ls_R_factor_gt           0.0445
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1095
_refine_ls_wR_factor_ref         0.1183
_reflns_number_gt                7327
_reflns_number_total             8735
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0481935si20041222_032230.cif
_cod_data_source_block           sxr6
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P 1'
_cod_database_code               4308865