Rare earth alkoxides as inorganic precursors for olefin polymerization: an alternative to traditional lanthanocene chemistry
Gromada, Jérome; Chenal, Thomas; Mortreux, André; Carpentier, Jean-François; Ziller, Joseph W.; Leising, Frédéric; Chemical Communications  (2000) 2183–; doi:10.1039/b006941h

data_7111110
_publ_section_title
;
 Rare earth alkoxides as inorganic precursors for olefin polymerization:
 an alternative to traditional lanthanocene chemistry
;
_journal_issue                   22
_journal_name_full               'Chemical Communications'
_journal_page_first              2183
_journal_paper_doi               10.1039/b006941h
_journal_year                    2000
_chemical_formula_sum            'C48 H105 Nd3 O12'
_chemical_formula_weight         1307.04
_chemical_name_systematic
; 
 ? 
;
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_cell_formula_units_Z            4
_cell_length_a                   17.0538(10)
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_cell_length_c                   17.7400(11)
_cell_measurement_temperature    158(2)
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_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'
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_diffrn_ambient_temperature      158(2)
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.972
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
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_exptl_absorpt_coefficient_mu    2.581
_exptl_absorpt_correction_T_max  0.6398
_exptl_absorpt_correction_T_min  0.6132
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_exptl_absorpt_process_details   'Bruker SADABS'
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_exptl_crystal_density_meas      ?
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_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0490P)^2^+27.9838P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_refine_ls_wR_factor_ref         0.1183
_reflns_number_gt                5589
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_cod_data_source_file            b006941hsup1.cif
_cod_data_source_block           rhodia1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

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      Pbcn
_cod_database_code               7111110