"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_7042248
_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         'C26 H33 Al N P'
_chemical_formula_sum            'C26 H33 Al N P'
_chemical_formula_weight         417.48
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_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                96.545(3)
_cell_angle_beta                 99.302(3)
_cell_angle_gamma                109.982(3)
_cell_formula_units_Z            2
_cell_length_a                   9.7257(15)
_cell_length_b                   10.3432(17)
_cell_length_c                   12.758(2)
_cell_measurement_reflns_used    1232
_cell_measurement_temperature    150
_cell_measurement_theta_max      25.332
_cell_measurement_theta_min      3.582
_cell_volume                     1170.3(3)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker Nonius Kappa'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0244
_diffrn_reflns_av_unetI/netI     0.0240
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            24513
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.563
_diffrn_reflns_theta_min         1.645
_exptl_absorpt_coefficient_mu    0.167
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6063
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0853 before and 0.0672 after correction.
The Ratio of minimum to maximum transmission is 0.8132.
The \l/2 correction factor is 0.0015.
;
_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    1.185
_exptl_crystal_description       block
_exptl_crystal_F_000             448
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.418
_refine_diff_density_min         -0.258
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     268
_refine_ls_number_reflns         6532
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0398
_refine_ls_R_factor_gt           0.0341
_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^)+(0.0328P)^2^+0.6500P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0834
_refine_ls_wR_factor_ref         0.0869
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5753
_reflns_number_total             6532
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7dt00318h2.cif
_cod_data_source_block           hz1301
_cod_depositor_comments
'Adding full bibliography for 7042248--7042253.cif.'
_cod_database_code               7042248
_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:
 C14(H14), C20(H20)
2.b Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C4(H4), C5(H5), C6(H6), C7(H7), C9(H9), C10(H10), C11(H11),
 C12(H12), C16(H16), C18(H18), C19(H19)
2.c Idealised Me refined as rotating group:
 C21(H21A,H21B,H21C), C22(H22A,H22B,H22C), C23(H23A,H23B,H23C), C24(H24A,H24B,
 H24C), C25(H25A,H25B,H25C), C26(H26A,H26B,H26C)
;
_olex2_submission_special_instructions 'No special instructions were received'