Synthesis and reactivity of metal complexes supported by the tetradentate monoanionic ligand bis(2-picolyl)(2-hydroxy-3,5-di-tert-butylbenzyl)amide (BPPA).
Chomitz, Wayne A.; Minasian, Stefan G.; Sutton, Andrew D.; Arnold, John; Inorganic chemistry 46 (2007) 7199–7209; doi:10.1021/ic700775k

data_4339922
_publ_section_title
;
 Synthesis and reactivity of metal complexes supported by the tetradentate
 monoanionic ligand bis(2-picolyl)(2-hydroxy-3,5-di-tert-butylbenzyl)amide
 (BPPA).
;
_journal_issue                   17
_journal_name_full               'Inorganic chemistry'
_journal_page_first              7199
_journal_page_last               7209
_journal_paper_doi               10.1021/ic700775k
_journal_volume                  46
_journal_year                    2007
_chemical_formula_moiety         'C27 H34 Cl2 N3 O Y, (C H2 Cl2)'
_chemical_formula_sum            'C28 H36 Cl4 N3 O Y'
_chemical_formula_weight         661.33
_space_group_IT_number           88
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_number      88
_symmetry_space_group_name_Hall  '-I 4ad'
_symmetry_space_group_name_H-M   'I 41/a :2'
_audit_creation_date             'Tue Mar 20 16:40:03 2007'
_audit_creation_method           'by teXsan'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            16
_cell_length_a                   28.218(2)
_cell_length_b                   28.218(2)
_cell_length_c                   15.8660(9)
_cell_measurement_reflns_used    7303
_cell_measurement_temperature    157.2
_cell_measurement_theta_max      24.2
_cell_measurement_theta_min      3.2
_cell_volume                     12633.4(15)
_computing_cell_refinement       'Bruker-AXS SAINT v6.40'
_computing_data_collection       'Bruker-AXS SMART v5.054'
_computing_data_reduction        'Bruker-AXS SAINT v6.40'
_computing_publication_material  teXsan
_computing_structure_refinement  teXsan
_computing_structure_solution    SIR97
_diffrn_measured_fraction_theta_full 0.9751
_diffrn_measured_fraction_theta_max 0.9751
_diffrn_measurement_device_type  'Bruker SMART 1000'
_diffrn_measurement_method       \w-scans
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.027
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            6544
_diffrn_reflns_theta_full        26.38
_diffrn_reflns_theta_max         26.38
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.211
_exptl_absorpt_correction_T_max  1.0
_exptl_absorpt_correction_T_min  0.78
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'Blessing, 1995'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.391
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             5440.00
_exptl_crystal_size_max          0.420
_exptl_crystal_size_mid          0.350
_exptl_crystal_size_min          0.210
_refine_diff_density_max         0.52
_refine_diff_density_min         -0.47
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   2.111
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     355
_refine_ls_number_reflns         4037
_refine_ls_R_factor_all          0.0851
_refine_ls_R_factor_gt           0.0440
_refine_ls_shift/su_max          0.0007
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 1/[\s^2^(Fo) + 0.00022|Fo|^2^]'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0560
_refine_ls_wR_factor_ref         0.0514
_reflns_number_gt                4037
_reflns_number_total             6311
_reflns_threshold_expression     F^2^>3.0\s(F^2^)
_cod_data_source_file            ic700775k-file007.cif
_cod_data_source_block           wac207y
_cod_original_cell_volume        12633(1)
_cod_original_sg_symbol_H-M      'I 41/a     '
_cod_original_formula_sum        'C28 H36 Cl4 N3 O Y '
_cod_database_code               4339922