Phosphaaluminirenes: Synthons for Main Group Heterocycles.
Liu, Liu Leo; Zhou, Jiliang; Cao, Levy L.; Stephan, Douglas W.; Journal of the American Chemical Society 141 (2019) 16971–16982; doi:10.1021/jacs.9b09330

data_4127972
_publ_section_title
;
 Phosphaaluminirenes: Synthons for Main Group Heterocycles.
;
_journal_issue                   42
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              16971
_journal_page_last               16982
_journal_paper_doi               10.1021/jacs.9b09330
_journal_volume                  141
_journal_year                    2019
_chemical_formula_sum            'C40 H56.25 Al N2 P Se'
_chemical_formula_weight         702.03
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.903(4)
_cell_length_b                   18.583(3)
_cell_length_c                   10.166(2)
_cell_measurement_reflns_used    5834
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      21.45
_cell_measurement_theta_min      2.28
_cell_volume                     3760.0(12)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Ortep 3'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT-2014/4 (Sheldrick, 2015)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1754
_diffrn_reflns_av_unetI/netI     0.0568
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            86368
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.024
_diffrn_reflns_theta_max         25.024
_diffrn_reflns_theta_min         2.047
_exptl_absorpt_coefficient_mu    1.094
_exptl_absorpt_correction_T_max  0.7094
_exptl_absorpt_correction_T_min  0.6301
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements
Sortav (Blessing 1995)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.240
_exptl_crystal_description       block
_exptl_crystal_F_000             1489
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.951
_refine_diff_density_min         -0.634
_refine_diff_density_rms         0.101
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         3432
_refine_ls_number_restraints     57
_refine_ls_restrained_S_all      1.095
_refine_ls_R_factor_all          0.0907
_refine_ls_R_factor_gt           0.0523
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0653P)^2^+8.3212P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1250
_refine_ls_wR_factor_ref         0.1460
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2370
_reflns_number_total             3432
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b09330_si_002.cif
_cod_data_source_block           7
_cod_original_cell_volume        3760.0(11)
_cod_database_code               4127972
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              52419
_shelx_hkl_checksum              62807