Di and trinuclear rare-earth metal complexes supported by 3-amido appended indolyl ligands: synthesis, characterization and catalytic activity towards isoprene 1,4-cis polymerization.
Zhang, Guangchao; Deng, Baojia; Wang, Shaowu; Wei, Yun; Zhou, Shuangliu; Zhu, Xiancui; Huang, Zeming; Mu, Xiaolong; Dalton transactions (Cambridge, England : 2003) 45 (2016) 15445–; doi:10.1039/c6dt02922a

data_7040445
_publ_section_title
;
 Di and trinuclear rare-earth metal complexes supported by 3-amido
 appended indolyl ligands: synthesis, characterization and catalytic
 activity towards isoprene 1,4-cis polymerization.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              15445
_journal_paper_doi               10.1039/c6dt02922a
_journal_volume                  45
_journal_year                    2016
_chemical_formula_sum            'C54 H94 Er2 N4 O2 Si4'
_chemical_formula_weight         1278.21
_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
_audit_update_record
;
2016-04-25 deposited with the CCDC.
2016-08-23 downloaded from the CCDC.
;
_cell_angle_alpha                78.6510(10)
_cell_angle_beta                 76.9410(10)
_cell_angle_gamma                83.5880(10)
_cell_formula_units_Z            1
_cell_length_a                   10.4376(7)
_cell_length_b                   11.4218(7)
_cell_length_c                   15.0140(9)
_cell_measurement_reflns_used    7245
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      0.775
_cell_measurement_theta_min      0.744
_cell_volume                     1705.29(19)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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 0.973
_diffrn_measured_fraction_theta_max 0.973
_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  0.0249
_diffrn_reflns_av_sigmaI/netI    0.0439
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            14945
_diffrn_reflns_theta_full        27.65
_diffrn_reflns_theta_max         27.65
_diffrn_reflns_theta_min         1.82
_exptl_absorpt_coefficient_mu    2.549
_exptl_absorpt_correction_T_max  0.7847
_exptl_absorpt_correction_T_min  0.7496
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.245
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             654
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.697
_refine_diff_density_min         -0.933
_refine_diff_density_rms         0.168
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     359
_refine_ls_number_reflns         7740
_refine_ls_number_restraints     463
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0551
_refine_ls_R_factor_gt           0.0415
_refine_ls_shift/su_max          0.011
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0934P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1311
_refine_ls_wR_factor_ref         0.1410
_reflns_number_gt                6389
_reflns_number_total             7740
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6dt02922a2.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7040444--7040455.cif.
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7040445