Aluminum complexes incorporating symmetrical and asymmetrical tridentate pincer type pyrrolyl ligands: synthesis, characterization and reactivity study.
Liu, Pei-Hsin; Chuang, Fu-Jung; Tu, Cheng-Yi; Hu, Ching-Han; Lin, Tzu-Wei; Wang, Yu-Tang; Lin, Chia-Her; Datta, Amitabha; Huang, Jui-Hsien; Dalton transactions (Cambridge, England : 2003) 42 (2013) 13754–13764; doi:10.1039/c3dt51133b

data_7023288
_publ_section_title
;
 Aluminum complexes incorporating symmetrical and asymmetrical tridentate
 pincer type pyrrolyl ligands: synthesis, characterization and reactivity
 study.
;
_journal_issue                   37
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              13754
_journal_page_last               13764
_journal_paper_doi               10.1039/c3dt51133b
_journal_volume                  42
_journal_year                    2013
_chemical_formula_sum            'C20 H42 Al N5'
_chemical_formula_weight         379.57
_chemical_name_systematic
; 
 ? 
;
_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                 102.422(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   33.541(4)
_cell_length_b                   10.5578(13)
_cell_length_c                   28.080(4)
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.76
_cell_volume                     9711(2)
_computing_cell_refinement       'SAINT V7.68A (Bruker AXS, 2009)'
_computing_data_collection       'APEX2 (Bruker AXS, 2010)'
_computing_data_reduction        'SAINT V7.68A (Bruker AXS, 2009)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.2407
_diffrn_reflns_av_sigmaI/netI    0.1523
_diffrn_reflns_limit_h_max       45
_diffrn_reflns_limit_h_min       -45
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            136674
_diffrn_reflns_theta_full        28.76
_diffrn_reflns_theta_max         28.76
_diffrn_reflns_theta_min         1.87
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_T_max  0.927
_exptl_absorpt_correction_T_min  0.913
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.038
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       columnar
_exptl_crystal_F_000             3264
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.675
_refine_diff_density_min         -0.537
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.876
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     981
_refine_ls_number_reflns         25097
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.876
_refine_ls_R_factor_all          0.1817
_refine_ls_R_factor_gt           0.0711
_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^)+(0.1000P)^2^+1.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1619
_refine_ls_wR_factor_ref         0.2140
_reflns_number_gt                10971
_reflns_number_total             25097
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt51133b.txt
_cod_data_source_block           pei368_0m
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7023288