Synthesis and Insertion Chemistry of a Cyclooctatetraenyl Uranium “Tuck-in” Metallocene, (η8-C8H8)(η5:η1-C5Me4CH2)U
Takase, Michael K.; Siladke, Nathan A.; Ziller, Joseph W.; Evans, William J.; Organometallics 30 (2011) 458–; doi:10.1021/om100700p

data_4063637
_publ_section_title
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 Synthesis and Insertion Chemistry of a Cyclooctatetraenyl Uranium
 &#x201C;Tuck-in&#x201D; Metallocene, (\h8-C8H8)(\h5:\h1-C5Me4CH2)U
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_journal_issue                   3
_journal_name_full               Organometallics
_journal_page_first              458
_journal_paper_doi               10.1021/om100700p
_journal_volume                  30
_journal_year                    2011
_chemical_formula_sum            'C28 H40 N2 U'
_chemical_formula_weight         642.65
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXTL
_cell_angle_alpha                90.00
_cell_angle_beta                 92.4860(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.3936(7)
_cell_length_b                   8.9064(6)
_cell_length_c                   25.1407(16)
_cell_measurement_reflns_used    4438
_cell_measurement_temperature    148(2)
_cell_measurement_theta_max      28.27
_cell_measurement_theta_min      2.36
_cell_volume                     2548.8(3)
_computing_cell_refinement       'Bruker SMART APEX2/SAINT'
_computing_data_collection       'Bruker SMART APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      148(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD'
_diffrn_measurement_method       'phi and omega'
_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  0.0352
_diffrn_reflns_av_sigmaI/netI    0.0284
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            27483
_diffrn_reflns_theta_full        27.09
_diffrn_reflns_theta_max         27.09
_diffrn_reflns_theta_min         1.62
_exptl_absorpt_coefficient_mu    6.385
_exptl_absorpt_correction_T_max  0.6635
_exptl_absorpt_correction_T_min  0.3214
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.675
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             1256
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.07
_refine_diff_density_max         1.573
_refine_diff_density_min         -0.640
_refine_diff_density_rms         0.106
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     290
_refine_ls_number_reflns         5625
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0287
_refine_ls_R_factor_gt           0.0234
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0277P)^2^+5.8930P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0537
_refine_ls_wR_factor_ref         0.0553
_reflns_number_gt                5021
_reflns_number_total             5625
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om100700p_si_002.cif
_cod_data_source_block           mkt24
_cod_depositor_comments
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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 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
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_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4063637