Rare-earth metal methylidene complexes with Ln3(μ3-CH2)(μ3-Me)(μ2-Me)3 core structure.
Schädle, Dorothea; Meermann-Zimmermann, Melanie; Maichle-Mössmer, Cäcilia; Schädle, Christoph; Törnroos, Karl W; Anwander, Reiner; Dalton transactions (Cambridge, England : 2003) 44 (2015) 18101–18110; doi:10.1039/c5dt02936h

data_7036525
_publ_section_title
;
 Rare-earth metal methylidene complexes with Ln3(\m3-CH2)(\m3-Me)(\m2-Me)3
 core structure.
;
_journal_issue                   41
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              18101
_journal_page_last               18110
_journal_paper_doi               10.1039/c5dt02936h
_journal_volume                  44
_journal_year                    2015
_chemical_formula_moiety         dr123
_chemical_formula_sum            'C25 H48 Lu N O2 Si'
_chemical_formula_weight         597.70
_chemical_properties_physical    'Air-sensitive, Moisture-sensitive'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-09-10 deposited with the CCDC.
2015-09-14 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 99.346(17)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.396(3)
_cell_length_b                   14.1217(19)
_cell_length_c                   14.991(3)
_cell_measurement_reflns_used    3611
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      29.57
_cell_measurement_theta_min      2.62
_cell_volume                     2798.3(9)
_computing_cell_refinement       X-AREA
_computing_data_collection       X-AREA
_computing_data_reduction        X-AREA
_computing_molecular_graphics    'POV-Ray v. 3.6/ORTEP3'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  STOE-IPDS
_diffrn_measurement_method       PHI
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1039
_diffrn_reflns_av_sigmaI/netI    0.0464
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            37029
_diffrn_reflns_theta_full        25.68
_diffrn_reflns_theta_max         25.68
_diffrn_reflns_theta_min         3.08
_exptl_absorpt_coefficient_mu    3.590
_exptl_absorpt_correction_T_max  0.66496
_exptl_absorpt_correction_T_min  0.50923
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   mulabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.419
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1224
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.925
_refine_diff_density_min         -0.969
_refine_diff_density_rms         0.102
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     285
_refine_ls_number_reflns         5314
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0454
_refine_ls_R_factor_gt           0.0326
_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^)+(0.0201P)^2^+1.8583P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0544
_refine_ls_wR_factor_ref         0.0572
_reflns_number_gt                4438
_reflns_number_total             5314
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt02936h2.cif
_cod_data_source_block           Compound_4-Lu
_cod_depositor_comments
'Adding full bibliography for 7036525--7036534.cif.'
_cod_original_cell_volume        2798.3(10)
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7036525