Synthesis and structural diversity of trivalent rare-earth metal diisopropylamide complexes.
Spallek, Tatiana; Heß, Oliver; Meermann-Zimmermann, Melanie; Meermann, Christian; Klimpel, Michael G.; Estler, Frank; Schneider, David; Scherer, Wolfgang; Tafipolsky, Maxim; Törnroos, Karl W; Maichle-Mössmer, Cäcilia; Sirsch, Peter; Anwander, Reiner; Dalton transactions (Cambridge, England : 2003) 45 (2016) 13750–13765; doi:10.1039/c6dt01568a

data_7039878
_publ_section_title
;
 Synthesis and structural diversity of trivalent rare-earth metal
 diisopropylamide complexes.
;
_journal_issue                   35
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              13750
_journal_page_last               13765
_journal_paper_doi               10.1039/c6dt01568a
_journal_volume                  45
_journal_year                    2016
_chemical_absolute_configuration unk
_chemical_formula_sum            'C32 H75 La N4 Na O2'
_chemical_formula_weight         705.82
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2016-05-25 deposited with the CCDC.
2016-05-26 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.1495(9)
_cell_length_b                   15.1703(10)
_cell_length_c                   19.3237(13)
_cell_measurement_reflns_used    1088
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      62.41
_cell_measurement_theta_min      3.414
_cell_volume                     3854.7(4)
_computing_cell_refinement       'APEX2 v2014.1-1 (Bruker AXS)'
_computing_data_collection       'COSMO v1.61'
_computing_data_reduction        'SAINT V8.27B (Bruker AXS Inc., 2012)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Smart Apex II Duo'
_diffrn_measurement_method       omega/phi-scans
_diffrn_radiation_monochromator  multilayer
_diffrn_radiation_source         'Imus-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0473
_diffrn_reflns_av_unetI/netI     0.0362
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            69772
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.580
_diffrn_reflns_theta_min         1.707
_exptl_absorpt_coefficient_mu    1.149
_exptl_absorpt_correction_T_max  0.9100
_exptl_absorpt_correction_T_min  0.7250
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.216
_exptl_crystal_description       plate
_exptl_crystal_F_000             1500
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.080
_refine_diff_density_max         0.623
_refine_diff_density_min         -0.511
_refine_diff_density_rms         0.064
_refine_ls_abs_structure_details
;
 Flack x determined using 4543 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   -0.030(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.981
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     466
_refine_ls_number_reflns         11817
_refine_ls_number_restraints     130
_refine_ls_restrained_S_all      0.980
_refine_ls_R_factor_all          0.0336
_refine_ls_R_factor_gt           0.0273
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0249P)^2^+1.5619P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0548
_refine_ls_wR_factor_ref         0.0572
_reflns_Friedel_coverage         0.818
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.994
_reflns_number_gt                10740
_reflns_number_total             11817
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6dt01568a2.cif
_cod_data_source_block           3c_(azentts177)
_cod_depositor_comments
'Adding full bibliography for 7039866--7039885.cif.'
_cod_database_code               7039878
_shelx_estimated_absorpt_t_min   0.724
_shelx_estimated_absorpt_t_max   0.914
_shelxl_version_number           2013-3
_shelx_res_checksum              1007