Macrocyclic Di- and Tetranuclear Osmacycloferrocenophanes†,1
Lindner, Ekkehard; Ayasse, Christoph S.; Eichele, Klaus; Steimann, Manfred; Organometallics 21 (2002) 4217–; doi:10.1021/om020310l

data_4076935
_publ_section_title
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 Macrocyclic Di- and Tetranuclear Osmacycloferrocenophanes&#x2020;,1
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_journal_issue                   20
_journal_name_full               Organometallics
_journal_page_first              4217
_journal_paper_doi               10.1021/om020310l
_journal_volume                  21
_journal_year                    2002
_chemical_formula_moiety         'C38 H40 Fe O4 Os'
_chemical_formula_sum            'C38 H40 Fe O4 Os'
_chemical_formula_weight         806.75
_chemical_name_common            'compound 3e'
_chemical_name_systematic
; 
 ? 
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_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 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                   8.857(2)
_cell_length_b                   11.944(3)
_cell_length_c                   31.810(8)
_cell_measurement_reflns_used    55
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      13.93
_cell_measurement_theta_min      5.12
_cell_volume                     3365.1(14)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_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_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w scans'
_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  0.0355
_diffrn_reflns_av_sigmaI/netI    0.0355
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       41
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            15908
_diffrn_reflns_theta_full        27.52
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         2.13
_diffrn_standards_interval_count 98
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    4.242
_exptl_absorpt_correction_T_max  0.8199
_exptl_absorpt_correction_T_min  0.3536
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            'pale orange'
_exptl_crystal_density_diffrn    1.592
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1608
_exptl_crystal_size_max          0.6
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.2
_refine_diff_density_max         1.198
_refine_diff_density_min         -1.037
_refine_diff_density_rms         0.081
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.010(7)
_refine_ls_extinction_coef       0.00097(8)
_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   1.072
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     398
_refine_ls_number_reflns         7715
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.0296
_refine_ls_R_factor_gt           0.0273
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0278P)^2^+4.8806P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0668
_refine_ls_wR_factor_ref         0.0678
_reflns_number_gt                7375
_reflns_number_total             7715
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om020310l.cif
_cod_data_source_block           ayasse07
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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_cell_volume        3365.0(15)
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               4076935