Synthesis of Heteroleptic Cerium(III) Anionic Amido-Tethered N-Heterocyclic Carbene Complexes
Liddle, Stephen T.; Arnold, Polly L.; Organometallics 24 (2005) 2597–2605; doi:10.1021/om050061b

data_4060522
_publ_section_title
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Synthesis of Heteroleptic Cerium(III) Anionic Amido-Tethered N-Heterocyclic 
Carbene Complexes
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_journal_issue                   11
_journal_name_full               Organometallics
_journal_page_first              2597
_journal_page_last               2605
_journal_paper_doi               10.1021/om050061b
_journal_volume                  24
_journal_year                    2005
_chemical_formula_moiety         'C41.50 H88 Br2 Ce2 N8 Si4'
_chemical_formula_sum            'C41.5 H88 Br2 Ce2 N8 Si4'
_chemical_formula_weight         1251.62
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     heavy
_atom_sites_solution_secondary   difmap
_audit_creation_method           'enCIFer editing of SHELXL97 CIF output'
_cell_angle_alpha                67.205(2)
_cell_angle_beta                 69.663(2)
_cell_angle_gamma                84.149(2)
_cell_formula_units_Z            1
_cell_length_a                   11.0360(6)
_cell_length_b                   12.3745(7)
_cell_length_c                   13.0400(7)
_cell_measurement_reflns_used    10022
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      2.40
_cell_volume                     1538.28(15)
_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 0.995
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker SMART APEX 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  0.0180
_diffrn_reflns_av_sigmaI/netI    0.0238
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            17982
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         1.97
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count .
_diffrn_standards_interval_time  ?
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.869
_exptl_absorpt_correction_T_max  0.612
_exptl_absorpt_correction_T_min  0.219
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2001)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.351
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             635
_exptl_crystal_size_max          0.76
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.19
_refine_diff_density_max         3.298
_refine_diff_density_min         -0.564
_refine_diff_density_rms         0.085
_refine_ls_extinction_coef       ?
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     256
_refine_ls_number_reflns         7009
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0309
_refine_ls_R_factor_gt           0.0272
_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^)+(0.0374P)^2^+0.7441P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0675
_refine_ls_wR_factor_ref         0.0688
_reflns_number_gt                6333
_reflns_number_total             7009
_reflns_threshold_expression     I>2\s(I)
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 
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_cod_database_code               4060522