Synthesis and structure of the first non ?ate? heteroleptic lanthanoid complexes bearing monoanionic 2-amidopyridine ligands
Cole, Marcus L.; Junk, Peter C.; New Journal of Chemistry 27 (2003) 1032–; doi:10.1039/b304197b

data_7050615
_publ_section_title
;
 Synthesis and structure of the first non ?ate? heteroleptic lanthanoid
 complexes bearing monoanionic 2-amidopyridine ligands
;
_journal_issue                   7
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              1032
_journal_paper_doi               10.1039/b304197b
_journal_volume                  27
_journal_year                    2003
_chemical_formula_sum            'C22 H38 Cl N4 Nd O Si2'
_chemical_formula_weight         610.43
_chemical_name_common            '[{Nd(AMPTMS)2(Cl)(THF)}2]'
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c 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            8
_cell_length_a                   16.194(3)
_cell_length_b                   17.076(3)
_cell_length_c                   20.335(4)
_cell_measurement_temperature    173(2)
_cell_volume                     5623.2(18)
_computing_cell_refinement       DENZO-SMN
_computing_data_collection       'Nonius Collect'
_computing_data_reduction        'X -Seed'
_computing_molecular_graphics    'X-Seed / POV-Ray'
_computing_publication_material  'Microsoft Office 2000'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       'psi and omega scans'
_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  0.0504
_diffrn_reflns_av_sigmaI/netI    0.0380
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            58783
_diffrn_reflns_theta_full        28.41
_diffrn_reflns_theta_max         28.41
_diffrn_reflns_theta_min         3.36
_exptl_absorpt_coefficient_mu    2.047
_exptl_absorpt_correction_T_max  0.8215
_exptl_absorpt_correction_T_min  0.8215
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'performed as part of the DENZO-SMN package'
_exptl_crystal_colour            blue-green
_exptl_crystal_density_diffrn    1.442
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prisms
_exptl_crystal_F_000             2488
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.034
_refine_diff_density_min         -0.789
_refine_diff_density_rms         0.101
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     288
_refine_ls_number_reflns         6990
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0456
_refine_ls_R_factor_gt           0.0271
_refine_ls_shift/su_max          0.063
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
calc w=1/[\s^2^(Fo^2^)+(0.0288P)^2^+1.2283P] where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0581
_refine_ls_wR_factor_ref         0.0630
_reflns_number_gt                5390
_reflns_number_total             6990
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b304197b.txt
_cod_data_source_block           compound2
_cod_original_cell_volume        5623.4(19)
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7050615