Dimeric aluminum-phosphorus compounds as masked frustrated Lewis pairs for small molecule activation.
Roters, Steffi; Appelt, Christian; Westenberg, Hauke; Hepp, Alexander; Slootweg, J. Chris; Lammertsma, Koop; Uhl, Werner; Dalton transactions (Cambridge, England : 2003) 41 (2012) 9033–9045; doi:10.1039/c2dt30080j

data_7019686
_publ_section_title
;
 Dimeric aluminum-phosphorus compounds as masked frustrated Lewis pairs
 for small molecule activation.
;
_journal_issue                   30
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9033
_journal_page_last               9045
_journal_paper_doi               10.1039/c2dt30080j
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C25 H35 Al N O P'
_chemical_formula_weight         423.49
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 110.714(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.8546(5)
_cell_length_b                   12.3967(9)
_cell_length_c                   16.4403(7)
_cell_measurement_reflns_used    36289
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      28.25
_cell_measurement_theta_min      1.74
_cell_volume                     2450.5(2)
_computing_cell_refinement       'STOE X-AREA'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'imaging plate detector system'
_diffrn_measurement_method       'rotation method'
_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  0.0893
_diffrn_reflns_av_sigmaI/netI    0.0520
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            27512
_diffrn_reflns_theta_full        28.02
_diffrn_reflns_theta_max         28.02
_diffrn_reflns_theta_min         1.74
_exptl_absorpt_coefficient_mu    0.163
_exptl_absorpt_correction_T_max  0.9759
_exptl_absorpt_correction_T_min  0.9466
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.148
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.350
_refine_diff_density_min         -0.820
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     268
_refine_ls_number_reflns         5885
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.0729
_refine_ls_R_factor_gt           0.0513
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0921P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1358
_refine_ls_wR_factor_ref         0.1459
_reflns_number_gt                4263
_reflns_number_total             5885
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt30080j.txt
_cod_data_source_block           Compoundtrans-7
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7019686