Synthesis and Characterization of Paramagnetic Lanthanide Benzyl Complexes
Huang, Wenliang; Upton, Brianna M.; Khan, Saeed I.; Diaconescu, Paula L.; Organometallics 32 (2013) 1379–; doi:10.1021/om3010433

data_4080281
_publ_section_title
;
 Synthesis and Characterization of Paramagnetic Lanthanide Benzyl
 Complexes
;
_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              1379
_journal_paper_doi               10.1021/om3010433
_journal_volume                  32
_journal_year                    2013
_chemical_formula_sum            'C33 H53 Fe Ho N2 O Si2'
_chemical_formula_weight         770.73
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_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                   9.5910(11)
_cell_length_b                   17.505(2)
_cell_length_c                   20.379(2)
_cell_measurement_temperature    100(2)
_cell_volume                     3421.4(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.960
_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  0.0475
_diffrn_reflns_av_sigmaI/netI    0.0525
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            32194
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         30.64
_diffrn_reflns_theta_min         3.73
_exptl_absorpt_coefficient_mu    2.817
_exptl_absorpt_correction_T_max  0.6614
_exptl_absorpt_correction_T_min  0.5168
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Twinabs (Bruker)'
_exptl_crystal_density_diffrn    1.496
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1576
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.16
_refine_diff_density_max         5.071
_refine_diff_density_min         -2.402
_refine_diff_density_rms         0.125
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.224(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.086
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     368
_refine_ls_number_reflns         9936
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0405
_refine_ls_R_factor_gt           0.0370
_refine_ls_shift/su_max          0.086
_refine_ls_shift/su_mean         0.011
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0244P)^2^+3.9140P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0781
_refine_ls_wR_factor_ref         0.0793
_reflns_number_gt                9182
_reflns_number_total             9936
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om3010433_si_003.cif
_cod_data_source_block           (NNfc)HoBn(THF)
_cod_original_cell_volume        3421.4(7)
_cod_original_sg_symbol_H-M      Pca21
_cod_database_code               4080281