Synthesis and Comparative η1-Alkyl and Sterically Induced Reduction Reactivity of (C5Me5)3Ln Complexes of La, Ce, Pr, Nd, and Sm
Evans, William J.; Perotti, Jeremy M.; Kozimor, Stosh A.; Champagne, Timothy M.; Davis, Benjamin L.; Nyce, Gregory W.; Fujimoto, Cy H.; Clark, Robert D.; Johnston, Matthew A.; Ziller, Joseph W.; Organometallics 24 (2005) 3916–; doi:10.1021/om050402l

data_4075995
_publ_section_title
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 Synthesis and Comparative \h1-Alkyl and Sterically Induced Reduction
 Reactivity of (C5Me5)3Ln Complexes of La, Ce, Pr, Nd, and Sm
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_journal_issue                   16
_journal_name_full               Organometallics
_journal_page_first              3916
_journal_paper_doi               10.1021/om050402l
_journal_volume                  24
_journal_year                    2005
_chemical_formula_sum            'C60 H90 I3 Sm3'
_chemical_formula_weight         1643.07
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXTL
_cell_angle_alpha                90.00
_cell_angle_beta                 107.9360(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   21.9414(13)
_cell_length_b                   14.3377(9)
_cell_length_c                   20.4157(12)
_cell_measurement_temperature    158(2)
_cell_volume                     6110.4(6)
_computing_cell_refinement       'Bruker SMART/SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      158(2)
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  'CCD area detector'
_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  0.0334
_diffrn_reflns_av_sigmaI/netI    0.0260
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            32250
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         1.72
_diffrn_standards_decay_%        '< 1.0'
_exptl_absorpt_coefficient_mu    4.395
_exptl_absorpt_correction_T_max  0.5398
_exptl_absorpt_correction_T_min  0.3725
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    1.786
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Irregular
_exptl_crystal_F_000             3180
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.16
_refine_diff_density_max         2.094
_refine_diff_density_min         -0.916
_refine_diff_density_rms         0.140
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     299
_refine_ls_number_reflns         7434
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0356
_refine_ls_R_factor_gt           0.0278
_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^)+(0.0390P)^2^+21.8609P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0702
_refine_ls_wR_factor_ref         0.0747
_reflns_number_gt                6517
_reflns_number_total             7434
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om050402lsi20050518_041127.cif
_cod_data_source_block           jp1_(260802)
_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_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4075995