Dialkyllanthanide Complexes Containing New Tridentate Monoanionic Ligands with Nitrogen Donors
Xu, Xin; Xu, Xiaoyan; Chen, Yaofeng; Sun, Jie; Organometallics 27 (2008) 758–; doi:10.1021/om7010936

data_4070872
_publ_section_title
;
 Dialkyllanthanide Complexes Containing New Tridentate Monoanionic Ligands
 with Nitrogen Donors
;
_journal_issue                   4
_journal_name_full               Organometallics
_journal_page_first              758
_journal_paper_doi               10.1021/om7010936
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C29 H56 N3 Nd Si2'
_chemical_formula_weight         647.19
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                88.3720(10)
_cell_angle_beta                 75.2940(10)
_cell_angle_gamma                81.2820(10)
_cell_formula_units_Z            2
_cell_length_a                   9.6033(8)
_cell_length_b                   11.1048(9)
_cell_length_c                   17.3163(14)
_cell_measurement_reflns_used    4875
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      50.900
_cell_measurement_theta_min      4.864
_cell_volume                     1765.4(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi 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  0.0423
_diffrn_reflns_av_sigmaI/netI    0.0547
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            9556
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.22
_exptl_absorpt_coefficient_mu    1.557
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7143
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.217
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             678
_exptl_crystal_size_max          0.470
_exptl_crystal_size_mid          0.351
_exptl_crystal_size_min          0.278
_refine_diff_density_max         1.222
_refine_diff_density_min         -0.469
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     330
_refine_ls_number_reflns         6804
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.0409
_refine_ls_R_factor_gt           0.0342
_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^)+(0.0353P)^2^+0.1513P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0741
_refine_ls_wR_factor_ref         0.0811
_reflns_number_gt                5830
_reflns_number_total             6804
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om7010936-file004.cif
_cod_data_source_block           cd27321
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1765.4(2)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4070872