NHC Complexes of Osmium Clusters: A Structural and Reactivity Study
Cooke, Craig E.; Jennings, Michael C.; Katz, Michael J.; Pomeroy, R. K.; Clyburne, Jason A. C.; Organometallics 27 (2008) 5777–; doi:10.1021/om800577x

data_4072087
_publ_section_title
;
 NHC Complexes of Osmium Clusters: A Structural and Reactivity Study
;
_journal_issue                   22
_journal_name_full               Organometallics
_journal_page_first              5777
_journal_paper_doi               10.1021/om800577x
_journal_volume                  27
_journal_year                    2008
_chemical_formula_moiety         'C37 H28 N2 O15 Os6'
_chemical_formula_sum            'C37 H28 N2 O15 Os6'
_chemical_formula_weight         1881.81
_chemical_name_systematic
; 
 ? 
;
_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     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 104.1130(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.4402(2)
_cell_length_b                   24.0703(6)
_cell_length_c                   17.0669(4)
_cell_measurement_reflns_used    88440
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.04
_cell_volume                     4159.44(16)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 1997-2001)'
_computing_data_reduction        DENZO-SMN
_computing_molecular_graphics    'SHELXTL/PC (Sheldrick, 2001)'
_computing_publication_material  SHELXTL/PC
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Nonius Kappa-CCD'
_diffrn_measurement_method       '\f scans, and \w scans with \k offsets'
_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  0.094
_diffrn_reflns_av_sigmaI/netI    0.0567
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            46405
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.60
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    18.326
_exptl_absorpt_correction_T_max  0.4610
_exptl_absorpt_correction_T_min  0.2078
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO-SMN (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    3.005
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3360
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         2.482
_refine_diff_density_min         -2.458
_refine_diff_density_rms         0.301
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     559
_refine_ls_number_reflns         7334
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0645
_refine_ls_R_factor_gt           0.0464
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0759P)^2^+8.1799P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1174
_refine_ls_wR_factor_ref         0.1268
_reflns_number_gt                5716
_reflns_number_total             7334
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om800577x_si_007.cif
_cod_data_source_block           07148
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4072087