Syntheses, Structure, and Properties of Mixed Cp‒Amidinate Rare-Earth-Metal(III) Complexes
Liu, Jun-Feng; Pan, Fu-Xing; Yao, Shuang; Min, Xue; Cui, Dongmei; Sun, Zhong-Ming; Organometallics 33 (2014) 1374–; doi:10.1021/om400856d

data_4082740
_publ_section_title
;
 Syntheses, Structure, and Properties of Mixed Cp--Amidinate
 Rare-Earth-Metal(III) Complexes
;
_journal_issue                   6
_journal_name_full               Organometallics
_journal_page_first              1374
_journal_paper_doi               10.1021/om400856d
_journal_volume                  33
_journal_year                    2014
_chemical_formula_sum            'C23 H33 Er N2 Si2'
_chemical_formula_weight         560.95
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_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                   20.399(2)
_cell_length_b                   12.4011(12)
_cell_length_c                   10.1447(10)
_cell_measurement_temperature    293(2)
_cell_volume                     2566.3(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0528
_diffrn_reflns_av_sigmaI/netI    0.0392
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            13490
_diffrn_reflns_theta_full        26.01
_diffrn_reflns_theta_max         26.01
_diffrn_reflns_theta_min         2.24
_exptl_absorpt_coefficient_mu    3.374
_exptl_absorpt_correction_T_max  0.7453
_exptl_absorpt_correction_T_min  0.6636
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.452
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1124
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.665
_refine_diff_density_min         -1.282
_refine_diff_density_rms         0.135
_refine_ls_extinction_coef       0.0655(17)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     144
_refine_ls_number_reflns         2649
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.0392
_refine_ls_R_factor_gt           0.0343
_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^)+(0.0433P)^2^+1.2791P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0817
_refine_ls_wR_factor_ref         0.0847
_reflns_number_gt                2336
_reflns_number_total             2649
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400856d_si_002.cif
_cod_data_source_block           8
_cod_original_cell_volume        2566.2(4)
_cod_original_sg_symbol_H-M      Pnma
_cod_database_code               4082740