Synthesis, bonding, and reactivity of a cerium(IV) fluoride complex.
Williams, Ursula J.; Robinson, Jerome R.; Lewis, Andrew J.; Carroll, Patrick J.; Walsh, Patrick J.; Schelter, Eric J.; Inorganic chemistry 53 (2014) 27–29; doi:10.1021/ic402769u

data_4337581
_publ_section_title
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 Synthesis, bonding, and reactivity of a cerium(IV) fluoride complex.
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_journal_issue                   1
_journal_name_full               'Inorganic chemistry'
_journal_page_first              27
_journal_page_last               29
_journal_paper_doi               10.1021/ic402769u
_journal_volume                  53
_journal_year                    2014
_chemical_formula_sum            'C18 H54 F N3 Si6 U'
_chemical_formula_weight         738.21
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 97.711(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.7141(4)
_cell_length_b                   18.2582(8)
_cell_length_c                   21.1970(9)
_cell_measurement_temperature    143(1)
_cell_volume                     3342.0(3)
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      143(1)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'CCD Area Detector'
_diffrn_measurement_device_type  'Bruker APEXII'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0283
_diffrn_reflns_av_sigmaI/netI    0.0111
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            116565
_diffrn_reflns_theta_full        27.53
_diffrn_reflns_theta_max         27.53
_diffrn_reflns_theta_min         1.94
_exptl_absorpt_coefficient_mu    5.088
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.4222
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2007)'
_exptl_crystal_density_diffrn    1.467
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1472
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.996
_refine_diff_density_min         -0.503
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.123
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         7709
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.123
_refine_ls_R_factor_all          0.0187
_refine_ls_R_factor_gt           0.0155
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0122P)^2^+2.5647P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0348
_refine_ls_wR_factor_ref         0.0366
_reflns_number_gt                7192
_reflns_number_total             7709
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic402769u_si_002.cif
_cod_data_source_block           UP4164
_cod_depositor_comments
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The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21/c     '
_cod_database_code               4337581