Group 13 and Lanthanide Complexes Supported by Tridentate Tripodal Triamine Ligands: Structural Diversity and Polymerization Catalysis
Zhu, Hongping; Chen, Eugene Y.-X.; Organometallics 26 (2007) 5395–; doi:10.1021/om700587w

data_4073728
_publ_section_title
;
 Group 13 and Lanthanide Complexes Supported by Tridentate Tripodal
 Triamine Ligands:&#x00A0; Structural Diversity and Polymerization
 Catalysis
;
_journal_issue                   22
_journal_name_full               Organometallics
_journal_page_first              5395
_journal_paper_doi               10.1021/om700587w
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C32 H53 Al2 N3 Si3'
_chemical_formula_weight         618.00
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_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                   39.9056(13)
_cell_length_b                   9.3888(3)
_cell_length_c                   19.4839(6)
_cell_measurement_reflns_used    7195
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.41
_cell_measurement_theta_min      2.92
_cell_volume                     7299.9(4)
_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      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0873
_diffrn_reflns_av_sigmaI/netI    0.0907
_diffrn_reflns_limit_h_max       53
_diffrn_reflns_limit_h_min       -53
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            78291
_diffrn_reflns_theta_full        28.26
_diffrn_reflns_theta_max         28.26
_diffrn_reflns_theta_min         1.46
_exptl_absorpt_coefficient_mu    0.203
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.125
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2672
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.322
_refine_diff_density_min         -0.357
_refine_diff_density_rms         0.066
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.09(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.997
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     747
_refine_ls_number_reflns         17704
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.997
_refine_ls_R_factor_all          0.0837
_refine_ls_R_factor_gt           0.0508
_refine_ls_shift/su_max          0.017
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0497P)^2^+0.4417P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0984
_refine_ls_wR_factor_ref         0.1113
_reflns_number_gt                13114
_reflns_number_total             17704
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om700587w-file002.cif
_cod_data_source_block           5
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      Pca2(1)
_cod_database_code               4073728