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_4340275
_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            'C66 H82 O4 Se2 Sm2'
_chemical_formula_weight         1397.94
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
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_cell_length_b                   11.4143(10)
_cell_length_c                   14.9377(12)
_cell_measurement_temperature    163(2)
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_computing_cell_refinement       'Bruker SMART/SAINT'
_computing_data_collection       'Bruker SMART'
_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 0.937
_diffrn_measured_fraction_theta_max 0.937
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_av_R_equivalents  0.0179
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_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
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_diffrn_reflns_limit_l_min       -19
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_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.97
_diffrn_standards_decay_%        '< 1.0'
_diffrn_standards_interval_count 'initial 50 frames recollected'
_diffrn_standards_number         '50 frames'
_exptl_absorpt_coefficient_mu    3.211
_exptl_absorpt_correction_T_max  0.7190
_exptl_absorpt_correction_T_min  0.4264
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.554
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             702
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.11
_refine_diff_density_max         1.617
_refine_diff_density_min         -1.400
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     498
_refine_ls_number_reflns         6953
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0189
_refine_ls_R_factor_gt           0.0176
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0164P)^2^+1.3511P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0431
_refine_ls_wR_factor_ref         0.0437
_reflns_number_gt                6637
_reflns_number_total             6953
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0515610si20050912_055657.cif
_cod_data_source_block           kam5_281310
_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 'n/a' 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      P-1
_cod_database_code               4340275