Cation size dependent reactivity of lanthanide trihalides with bulky alkylcyclopentadienyl anions
Marc D. Walter; Dirk Bentz; Frank Weber; Oliver Schmitt; Gotthelf Wolmershäuser; Helmut Sitzmann; New Journal of Chemistry 31 (2007) 305–; doi:10.1039/b603701a

data_7052044
_publ_section_title
;
 Cation size dependent reactivity of lanthanide trihalides with bulky
 alkylcyclopentadienyl anions
;
_journal_issue                   2
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              305
_journal_paper_doi               10.1039/b603701a
_journal_volume                  31
_journal_year                    2007
_chemical_formula_moiety         'C40 H72 Cl2 O4 Yb2'
_chemical_formula_sum            'C40 H72 Cl2 O4 Yb2'
_chemical_formula_weight         1033.96
_chemical_name_systematic
;
?
;
_space_group_IT_number           148
_symmetry_cell_setting           rhombohedral
_symmetry_space_group_name_Hall  '-P 3*'
_symmetry_space_group_name_H-M   'R -3 :R'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                109.604(7)
_cell_angle_beta                 109.604(7)
_cell_angle_gamma                109.604(7)
_cell_formula_units_Z            3
_cell_length_a                   16.2836(11)
_cell_length_b                   16.2836(11)
_cell_length_c                   16.2836(11)
_cell_measurement_reflns_used    8000
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26
_cell_measurement_theta_min      2
_cell_volume                     3307.3(6)
_computing_cell_refinement       'Stoe IPDS V2.63'
_computing_data_collection       'Stoe IPDS V2.63'
_computing_data_reduction        'Stoe IPDS V2.63'
_computing_molecular_graphics    'Siemens SHELXTL'
_computing_publication_material  'Siemens SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'STOE IPDS'
_diffrn_measurement_method       Phi-Oscillation
_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  0.2189
_diffrn_reflns_av_sigmaI/netI    0.0693
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            46593
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         3.06
_exptl_absorpt_coefficient_mu    4.371
_exptl_absorpt_correction_T_max  0.39087
_exptl_absorpt_correction_T_min  0.22160
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details   '(ABST/PLATON 98)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.557
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'transparent block'
_exptl_crystal_F_000             1554
_exptl_crystal_size_max          0.56
_exptl_crystal_size_mid          0.44
_exptl_crystal_size_min          0.36
_refine_diff_density_max         1.119
_refine_diff_density_min         -1.017
_refine_diff_density_rms         0.125
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.114
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         4177
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.114
_refine_ls_R_factor_all          0.0483
_refine_ls_R_factor_gt           0.0422
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+1.3688P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0842
_refine_ls_wR_factor_ref         0.0871
_reflns_number_gt                3674
_reflns_number_total             4177
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b603701a.txt
_cod_data_source_block           0168
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Rhombohedral' changed to 'rhombohedral'
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_Hall     -p3*
_cod_original_sg_symbol_H-M      r-3:r
_cod_database_code               7052044