Heterometallic Potassium Rare-Earth-Metal Allyl and Hydrido Complexes Stabilized by a Dianionic (NNNN)-Type Macrocyclic Ancillary Ligand
Cui, Peng; Spaniol, Thomas P.; Okuda, Jun; Organometallics 32 (2013) 1176–; doi:10.1021/om300986w

data_4080184
_publ_section_title
;
 Heterometallic Potassium Rare-Earth-Metal Allyl and Hydrido Complexes
 Stabilized by a Dianionic (NNNN)-Type Macrocyclic Ancillary Ligand
;
_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              1176
_journal_paper_doi               10.1021/om300986w
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C26 H54 La2 N8'
_chemical_formula_sum            'C26 H54 La2 N8'
_chemical_formula_weight         756.59
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           86
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-P 4bc'
_symmetry_space_group_name_H-M   'P 42/n :2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.8105(18)
_cell_length_b                   17.8105(18)
_cell_length_c                   9.7851(10)
_cell_measurement_reflns_used    6347
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.38
_cell_measurement_theta_min      2.29
_cell_volume                     3104.0(5)
_computing_cell_refinement       'Bruker SMART (2001)'
_computing_data_collection       'Bruker SMART (2001)'
_computing_data_reduction        'Bruker SAINT+ (1999)'
_computing_molecular_graphics    'ORTEP-III (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-92 (Altomare 1992)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device_type  'APEX Area Detector'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  'multilayer optics'
_diffrn_radiation_source         'INCOATEC microsource'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0917
_diffrn_reflns_av_sigmaI/netI    0.0524
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            45999
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         30.78
_diffrn_reflns_theta_min         1.14
_exptl_absorpt_coefficient_mu    2.743
_exptl_absorpt_correction_T_max  0.8312
_exptl_absorpt_correction_T_min  0.5710
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker Sadabs'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.619
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1520
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.708
_refine_diff_density_min         -0.820
_refine_diff_density_rms         0.108
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     166
_refine_ls_number_reflns         4713
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.0480
_refine_ls_R_factor_gt           0.0355
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0619P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1021
_refine_ls_wR_factor_ref         0.1089
_reflns_number_gt                3830
_reflns_number_total             4713
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om300986w_si_002.cif
_cod_data_source_block           1b
_cod_original_cell_volume        3104.0(7)
_cod_original_sg_symbol_H-M      P42/n
_cod_database_code               4080184