Synthesis of (O2CEPh)1- ligands (E = S, Se) by CO2 insertion into lanthanide chalcogen bonds and their utility in forming crystallographically characterizable organoaluminum complexes [Me2Al(mu-O2CEPh)]2.
Evans, William J.; Miller, Kevin A.; Ziller, Joseph W.; Inorganic chemistry 45 (2006) 424–429; doi:10.1021/ic0515610

data_4340274
_publ_section_title
;
 Synthesis of (O2CEPh)1- ligands (E = S, Se) by CO2 insertion into
 lanthanide chalcogen bonds and their utility in forming
 crystallographically characterizable organoaluminum complexes
 [Me2Al(mu-O2CEPh)]2.
;
_journal_issue                   1
_journal_name_full               'Inorganic chemistry'
_journal_page_first              424
_journal_page_last               429
_journal_paper_doi               10.1021/ic0515610
_journal_volume                  45
_journal_year                    2006
_chemical_formula_sum            'C18 H22 Al2 O4 Se2'
_chemical_formula_weight         514.24
_chemical_name_systematic
; 
 ? 
;
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_computing_cell_refinement       'Bruker SMART/SAINT'
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_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      163(2)
_diffrn_measured_fraction_theta_full 0.966
_diffrn_measured_fraction_theta_max 0.966
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
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_diffrn_reflns_theta_max         28.26
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_diffrn_standards_decay_%        '< 1.0'
_diffrn_standards_interval_count 'initial 50 frames recollected'
_diffrn_standards_number         '50 frames'
_exptl_absorpt_coefficient_mu    3.481
_exptl_absorpt_correction_T_max  0.7447
_exptl_absorpt_correction_T_min  0.2750
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.562
_exptl_crystal_density_meas      ?
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_exptl_crystal_description       plate
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     162
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_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0236
_refine_ls_R_factor_gt           0.0208
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0207P)^2^+0.3312P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0495
_refine_ls_wR_factor_ref         0.0508
_reflns_number_gt                2451
_reflns_number_total             2613
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0515610si20050912_055731.cif
_cod_data_source_block           kam9_281313
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'NA' 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_cell_volume        546.69(10)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4340274