Ligand Design for the Assembly of Polynuclear Complexes: Syntheses and Structures of Trinuclear and Tetranuclear Aluminum Alkyl Complexes Bearing Tripodal Diamidoselenophosphinito Ligands and a Comparison to Related Tripodal Triamidophosphine Complexes
Han, Hua; Johnson, Samuel A.; Organometallics 25 (2006) 5594–; doi:10.1021/om0607447

data_4074551
_publ_section_title
;
 Ligand Design for the Assembly of Polynuclear Complexes:&#x00A0;
 Syntheses and Structures of Trinuclear and Tetranuclear Aluminum Alkyl
 Complexes Bearing Tripodal Diamidoselenophosphinito Ligands and a
 Comparison to Related Tripodal Triamidophosphine Complexes
;
_journal_issue                   23
_journal_name_full               Organometallics
_journal_page_first              5594
_journal_paper_doi               10.1021/om0607447
_journal_volume                  25
_journal_year                    2006
_chemical_absolute_configuration unk
_chemical_formula_sum            'C23 H41 Al4 N2 P Se'
_chemical_formula_weight         563.43
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           31
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac -2'
_symmetry_space_group_name_H-M   'P m n 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2006-07-07T00:22:52-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   15.679(3)
_cell_length_b                   10.954(2)
_cell_length_c                   8.5522(16)
_cell_measurement_reflns_used    4263
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.96
_cell_measurement_theta_min      2.6
_cell_volume                     1468.8(5)
_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    'Bruker SHELXTL'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0521
_diffrn_reflns_av_unetI/netI     0.0775
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            10182
_diffrn_reflns_theta_full        27.5
_diffrn_reflns_theta_max         27.5
_diffrn_reflns_theta_min         2.27
_exptl_absorpt_coefficient_mu    1.466
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.274
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             588
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.002
_refine_diff_density_min         -0.398
_refine_diff_density_rms         0.095
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.005(13)
_refine_ls_extinction_method     none
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_refine_ls_matrix_type           full
_refine_ls_number_parameters     151
_refine_ls_number_reflns         3390
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_refine_ls_R_factor_all          0.0645
_refine_ls_R_factor_gt           0.0476
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0349P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0919
_refine_ls_wR_factor_ref         0.0969
_reflns_number_gt                2761
_reflns_number_total             3390
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om0607447si20060816_015713.cif
_cod_data_source_block           hhsepham
_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 
;
_cod_original_sg_symbol_H-M      Pmn2(1)
_cod_database_code               4074551