Tetravalent cerium carbene complexes.
Casely, Ian J; Liddle, Stephen T; Blake, Alexander J; Wilson, Claire; Arnold, Polly L; Chemical communications (Cambridge, England)  (2007) 5037–5039; doi:10.1039/b713041d

data_7102347
_publ_section_title
;
 Tetravalent cerium carbene complexes.
;
_journal_issue                   47
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              5037
_journal_page_last               5039
_journal_paper_doi               10.1039/b713041d
_journal_year                    2007
_chemical_formula_sum            'C52 H92 Ce N8 O7'
_chemical_formula_weight         1081.46
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 99.709(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.188(3)
_cell_length_b                   11.1458(14)
_cell_length_c                   24.392(3)
_cell_measurement_reflns_used    3066
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.15
_cell_measurement_theta_min      2.25
_cell_volume                     6213.8(14)
_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_publication_material
'enCIFer(Allen et al.,2004);PLATON(Spek,2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area detector'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.11
_diffrn_reflns_av_sigmaI/netI    0.1161
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            38792
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.26
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.781
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.333
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS v2.05'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.156
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       tablet
_exptl_crystal_F_000             2296
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.175
_refine_diff_density_min         -1.644
_refine_diff_density_rms         0.131
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.963
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     640
_refine_ls_number_reflns         10920
_refine_ls_number_restraints     222
_refine_ls_restrained_S_all      0.970
_refine_ls_R_factor_all          0.1176
_refine_ls_R_factor_gt           0.0673
_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^)+(0.1019P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1616
_refine_ls_wR_factor_ref         0.1822
_reflns_number_gt                6660
_reflns_number_total             10920
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            b713041D.txt
_cod_data_source_block           cenobq_compound_2
_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      'P 21/n'
_cod_database_code               7102347