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_7052046
_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_sum            'C21 H39 Cl2 O2 Tm'
_chemical_formula_weight         563.35
_chemical_name_systematic
;
?
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 105.603(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.8947(6)
_cell_length_b                   13.8338(7)
_cell_length_c                   10.3037(8)
_cell_measurement_reflns_used    8000
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.5
_cell_measurement_theta_min      2
_cell_volume                     1221.12(15)
_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 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device       '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  0.1315
_diffrn_reflns_av_sigmaI/netI    0.0951
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            17167
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         2.69
_exptl_absorpt_coefficient_mu    3.863
_exptl_absorpt_correction_T_max  0.717
_exptl_absorpt_correction_T_min  0.364
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details   '(ABST/PLATON 99)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.532
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'transparent block'
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.243
_refine_diff_density_min         -0.823
_refine_diff_density_rms         0.111
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.011(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.901
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     245
_refine_ls_number_reflns         4553
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.901
_refine_ls_R_factor_all          0.0569
_refine_ls_R_factor_gt           0.0367
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0228P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0702
_refine_ls_wR_factor_ref         0.0745
_reflns_number_gt                3573
_reflns_number_total             4553
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b603701a.txt
_cod_data_source_block           0129
_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_cell_volume        1221.12(14)
_cod_original_sg_symbol_Hall     P_2yb
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7052046