Cyanide Metallocenes of Trivalent f-Elements
Maynadié, Jérôme; Berthet, Jean-Claude; Thuéry, Pierre; Ephritikhine, Michel; Organometallics 26 (2007) 2623–2629; doi:10.1021/om061131x

data_4072913
_publ_section_title
;
 Cyanide Metallocenes of Trivalent f-Elements
;
_journal_issue                   10
_journal_name_full               Organometallics
_journal_page_first              2623
_journal_page_last               2629
_journal_paper_doi               10.1021/om061131x
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C53 H76 N5 Na2 O2 U2'
_chemical_formula_weight         1337.23
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 106.107(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   35.8003(15)
_cell_length_b                   12.2794(5)
_cell_length_c                   27.5754(13)
_cell_measurement_reflns_used    134572
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.68
_cell_measurement_theta_min      3.08
_cell_volume                     11646.5(9)
_computing_cell_refinement       'HKL2000 (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Hooft, 1998)'
_computing_data_reduction        'HKL2000 (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1999)'
_computing_publication_material
'SHELXTL (Sheldrick, 1999); PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type
'Nonius Kappa-CCD area-detector diffractometer'
_diffrn_measurement_method       'one \f and eight \w scans with 2\% steps'
_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  0.0663
_diffrn_reflns_av_sigmaI/netI    0.0416
_diffrn_reflns_limit_h_max       43
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            134572
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         3.08
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.609
_exptl_absorpt_correction_T_max  0.571
_exptl_absorpt_correction_T_min  0.352
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details   'SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            'translucent dark brown'
_exptl_crystal_density_diffrn    1.525
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             5208
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.882
_refine_diff_density_min         -0.861
_refine_diff_density_rms         0.130
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     597
_refine_ls_number_reflns         11018
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0581
_refine_ls_R_factor_gt           0.0381
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0586P)^2^+21.9679P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0957
_refine_ls_wR_factor_ref         0.1021
_reflns_number_gt                8533
_reflns_number_total             11018
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om061131xsi20070308_094205.cif
_cod_data_source_block           4
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4072913