Neodymium borohydride complexes supported by diamino-bis(phenoxide) ligands: diversity of synthetic and structural chemistry, and catalytic activity in ring-opening polymerization of cyclic esters
Sinenkov, Mikhail A.; Fukin, Georgy K.; Cherkasov, Anton V.; Ajellal, Noureddine; Roisnel, Thierry; Kerton, Francesca M.; Carpentier, Jean-François; Trifonov, Alexander A.; New Journal of Chemistry 35 (2011) 204–; doi:10.1039/c0nj00486c

data_7052539
_publ_section_title
;
 Neodymium borohydride complexes supported by diamino-bis(phenoxide)
 ligands: diversity of synthetic and structural chemistry, and
 catalytic activity in ring-opening polymerization of cyclic esters
;
_journal_issue                   1
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              204
_journal_paper_doi               10.1039/c0nj00486c
_journal_volume                  35
_journal_year                    2011
_chemical_formula_sum            'C74 H122 Li N4 Nd O4'
_chemical_formula_weight         1282.94
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 92.5490(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.0652(8)
_cell_length_b                   18.9200(10)
_cell_length_c                   26.4699(15)
_cell_measurement_reflns_used    900
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30
_cell_measurement_theta_min      2
_cell_volume                     7537.3(7)
_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      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_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  0.0847
_diffrn_reflns_av_sigmaI/netI    0.0666
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            53289
_diffrn_reflns_theta_full        24.00
_diffrn_reflns_theta_max         24.00
_diffrn_reflns_theta_min         2.15
_exptl_absorpt_coefficient_mu    0.734
_exptl_absorpt_correction_T_max  0.8853
_exptl_absorpt_correction_T_min  0.7831
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1998a)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.131
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2756
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.17
_refine_diff_density_max         3.051
_refine_diff_density_min         -3.729
_refine_diff_density_rms         0.164
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     762
_refine_ls_number_reflns         11788
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.078
_refine_ls_R_factor_all          0.1127
_refine_ls_R_factor_gt           0.0717
_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^)+(0.1425P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1863
_refine_ls_wR_factor_ref         0.2125
_reflns_number_gt                8170
_reflns_number_total             11788
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            C0NJ00486C.TXT
_cod_data_source_block           ndbhm
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_enum 1555 2011-01-17 13:19:09Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7052539