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_4127971
_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            'C55 H84 Al N4 P'
_chemical_formula_weight         859.21
_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
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 109.719(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.2095(13)
_cell_length_b                   18.7653(18)
_cell_length_c                   20.5344(16)
_cell_measurement_reflns_used    7720
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.40
_cell_measurement_theta_min      2.37
_cell_volume                     5154.3(8)
_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 0.997
_diffrn_measured_fraction_theta_max 0.996
_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  0.1183
_diffrn_reflns_av_unetI/netI     0.0971
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            78846
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.022
_diffrn_reflns_theta_min         1.522
_exptl_absorpt_coefficient_mu    0.109
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6640
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements
Sortav (Blessing 1995)
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.107
_exptl_crystal_description       needle
_exptl_crystal_F_000             1880
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.080
_refine_diff_density_max         0.442
_refine_diff_density_min         -0.394
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.967
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     690
_refine_ls_number_reflns         10113
_refine_ls_number_restraints     280
_refine_ls_restrained_S_all      0.970
_refine_ls_R_factor_all          0.1347
_refine_ls_R_factor_gt           0.0605
_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^)+(0.0805P)^2^+2.9843P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1349
_refine_ls_wR_factor_ref         0.1700
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5680
_reflns_number_total             10113
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b09330_si_002.cif
_cod_data_source_block           6
_cod_database_code               4127971
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.968
_shelx_estimated_absorpt_t_max   0.991
_shelx_res_checksum              14283
_shelx_hkl_checksum              92991