"Masked" Lewis-acidity of an aluminum α-phosphinoamide complex.
Zijlstra, Harmen S.; Pahl, Jürgen; Penafiel, Johanne; Harder, Sjoerd; Dalton transactions (Cambridge, England : 2003) 46 (2017) 3601–3610; doi:10.1039/c7dt00318h

data_7042252
_publ_section_title
;
 &quot;Masked&quot; Lewis-acidity of an aluminum \a-phosphinoamide
 complex.
;
_journal_issue                   11
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3601
_journal_page_last               3610
_journal_paper_doi               10.1039/c7dt00318h
_journal_volume                  46
_journal_year                    2017
_chemical_formula_moiety         'C39 H50 Al N2 O P'
_chemical_formula_sum            'C39 H50 Al N2 O P'
_chemical_formula_weight         620.76
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_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     dual
_audit_creation_date             2017-01-18
_audit_creation_method
;
Olex2 1.2
(compiled 2017.01.04 svn.r3372 for OlexSys, GUI svn.r5292)
;
_audit_update_record
;
2017-01-19 deposited with the CCDC.
2017-02-14 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 117.082(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.7591(8)
_cell_length_b                   16.2381(11)
_cell_length_c                   18.7100(5)
_cell_measurement_reflns_used    1094
_cell_measurement_temperature    100
_cell_measurement_theta_max      26.471
_cell_measurement_theta_min      2.969
_cell_volume                     3721.9(4)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Nonius Kappa'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0406
_diffrn_reflns_av_unetI/netI     0.0208
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            115146
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.998
_diffrn_reflns_theta_min         2.791
_exptl_absorpt_coefficient_mu    0.128
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.108
_exptl_crystal_description       block
_exptl_crystal_F_000             1336
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.407
_refine_diff_density_min         -0.367
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.147
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     407
_refine_ls_number_reflns         10840
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.147
_refine_ls_R_factor_all          0.0612
_refine_ls_R_factor_gt           0.0431
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0618P)^2^+1.4467P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1162
_refine_ls_wR_factor_ref         0.1302
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8673
_reflns_number_total             10840
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7dt00318h2.cif
_cod_data_source_block           shelxs
_cod_depositor_comments
'Adding full bibliography for 7042248--7042253.cif.'
_cod_database_code               7042252
_shelx_shelxl_version_number     2014/7
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C7(H7), C10(H10), C31(H31), C34(H34)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C5(H5), C14(H14), C15(H15), C16(H16), C17(H17), C18(H18),
 C20(H20), C21(H21), C22(H22), C23(H23), C24(H24), C27(H27), C28(H28), C29(H29)
2.c Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C9(H9A,H9B,H9C), C11(H11A,H11B,H11C), C12(H12A,H12B,H12C),
 C32(H32A,H32B,H32C), C33(H33A,H33B,H33C), C35(H35A,H35B,H35C), C36(H36A,H36B,
 H36C), C38(H38A,H38B,H38C), C39(H39A,H39B,H39C)
;
_olex2_submission_special_instructions 'No special instructions were received'