Amido rare-earth complexes supported by an ansa bis(amidinate) ligand with a rigid 1,8-naphthalene linker: synthesis, structures and catalytic activity in rac-lactide polymerization and hydrophosphonylation of carbonyl compounds
Yakovenko, Marina V.; Udilova, Natalia Yu.; Glukhova, Tatyana A.; Cherkasov, Anton V.; Fukin, Georgy K.; Trifonov, Alexander A.; New J. Chem. 39 (2015) 1083–; doi:10.1039/C4NJ01698J

data_7054545
_publ_section_title
;
 Amido rare-earth complexes supported by an ansa bis(amidinate) ligand
 with a rigid 1,8-naphthalene linker: synthesis, structures and catalytic
 activity in rac-lactide polymerization and hydrophosphonylation of
 carbonyl compounds
;
_journal_issue                   2
_journal_name_full               'New J. Chem.'
_journal_page_first              1083
_journal_paper_doi               10.1039/C4NJ01698J
_journal_volume                  39
_journal_year                    2015
_chemical_formula_sum            'C46 H68 N5 Nd O Si2'
_chemical_formula_weight         907.47
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 116.8780(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   23.9499(16)
_cell_length_b                   19.4258(13)
_cell_length_c                   21.8709(14)
_cell_measurement_reflns_used    900
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30
_cell_measurement_theta_min      2
_cell_volume                     9076.1(10)
_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, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_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  0.0415
_diffrn_reflns_av_sigmaI/netI    0.0321
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            69897
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         0.95
_exptl_absorpt_coefficient_mu    1.236
_exptl_absorpt_correction_T_max  0.7642
_exptl_absorpt_correction_T_min  0.6716
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008a)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.328
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             3800
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.23
_refine_diff_density_max         2.409
_refine_diff_density_min         -2.191
_refine_diff_density_rms         0.152
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.154
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1007
_refine_ls_number_reflns         15735
_refine_ls_number_restraints     171
_refine_ls_restrained_S_all      1.153
_refine_ls_R_factor_all          0.0858
_refine_ls_R_factor_gt           0.0770
_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^)+(0.0002P)^2^+151.0440P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1598
_refine_ls_wR_factor_ref         0.1628
_reflns_number_gt                13878
_reflns_number_total             15735
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4nj01698j2.cif
_cod_data_source_block           ndamsime3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2827 2014-09-09 07:05:25Z andrius 

 Adding full bibliography for 7054544--7054545.cif.
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7054545