Synthesis and structure of [{N(CH2CH2NSiMe3)3}URe(eta5-C5H5)2]: a heterobimetallic complex with an unsupported uranium-rhenium bond.
Gardner, Benedict M; McMaster, Jonathan; Lewis, William; Liddle, Stephen T; Chemical communications (Cambridge, England) 34 (2009) 2851–2853; doi:10.1039/b906554g

data_7104450
_publ_section_title
;
 Synthesis and structure of [{N(CH2CH2NSiMe3)3}URe(eta5-C5H5)2]: a
 heterobimetallic complex with an unsupported uranium-rhenium bond.
;
_journal_issue                   20
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              2851
_journal_page_last               2853
_journal_paper_doi               10.1039/b906554g
_journal_volume                  34
_journal_year                    2009
_chemical_formula_moiety         'C25 H49 N4 Re Si3 U'
_chemical_formula_sum            'C25 H49 N4 Re Si3 U'
_chemical_formula_weight         914.18
_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, Me from difmap'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           'enCIFer editing of SHELXL97 CIF output'
_cell_angle_alpha                90.00
_cell_angle_beta                 100.734(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.805(2)
_cell_length_b                   10.2483(12)
_cell_length_c                   19.910(3)
_cell_measurement_reflns_used    5311
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.28
_cell_measurement_theta_min      2.38
_cell_volume                     3168.5(7)
_computing_cell_refinement       'Bruker SAINT version 6.36a (Bruker, 2000)'
_computing_data_collection       'Bruker SMART version 5.625 (Bruker, 2001)'
_computing_data_reduction        'Bruker SAINT; Bruker SHELXTL (Bruker, 2001)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material
'enCIFer(Allen et al.,2004);PLATON(Spek,2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker SMART 1000 CCD diffractometer'
_diffrn_measurement_method       '\w rotation with narrow frames'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0584
_diffrn_reflns_av_sigmaI/netI    0.0729
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            19270
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         27.53
_diffrn_reflns_theta_min         2.08
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    9.055
_exptl_absorpt_correction_T_max  0.64
_exptl_absorpt_correction_T_min  0.12
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2001)'
_exptl_crystal_colour            Red
_exptl_crystal_density_diffrn    1.916
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             1744
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.05
_refine_diff_density_max         2.675
_refine_diff_density_min         -1.293
_refine_diff_density_rms         0.210
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     316
_refine_ls_number_reflns         7190
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.0632
_refine_ls_R_factor_gt           0.0396
_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^)+(0.0361P)^2^+0.8064P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0857
_refine_ls_wR_factor_ref         0.0948
_reflns_number_gt                5416
_reflns_number_total             7190
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            b906554g.txt
_cod_data_source_block           uretrn
_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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7104450