Synthesis and structures of substituted triphenyl(phenylimino)phosphoranes
De Borger, Roeland; Collas, Alain; Dommisse, Roger; Blockhuys, Frank; Acta Crystallographica Section C 66 (2010) o50–o54; doi:10.1107/S0108270109047763

data_2017495
_publ_section_title
;
 Synthesis and structures of substituted
 triphenyl(phenylimino)phosphoranes
;
_journal_coeditor_code           UK3009
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o50
_journal_page_last               o54
_journal_paper_doi               10.1107/S0108270109047763
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          'C24 H19 N2 O2 P'
_chemical_formula_moiety         'C24 H19 N2 O2 P'
_chemical_formula_sum            'C24 H19 N2 O2 P'
_chemical_formula_weight         398.38
_chemical_melting_point          429
_chemical_name_systematic
;
(4-nitrophenylimino)triphenylphosphorane
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 117.591(17)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.118(2)
_cell_length_b                   17.536(4)
_cell_length_c                   14.245(4)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      20.58
_cell_measurement_theta_min      7.33
_cell_volume                     2018.7(9)
_computing_cell_refinement       'CAD4 EXPRESS (Enraf--Nonius, 1989)'
_computing_data_collection       'CAD4 EXPRESS (Enraf--Nonius, 1989)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS86 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1
_diffrn_measured_fraction_theta_max 1
_diffrn_measurement_device_type  'Enraf--Nonius CAD4'
_diffrn_measurement_method       'non-profiled \w/2\q scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.029
_diffrn_reflns_limit_h_max       0
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            7417
_diffrn_reflns_theta_full        24.98
_diffrn_reflns_theta_max         24.98
_diffrn_reflns_theta_min         1.99
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  60
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.159
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.311
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             832
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.205
_refine_diff_density_min         -0.226
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.02
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     338
_refine_ls_number_reflns         3544
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.02
_refine_ls_R_factor_all          0.0542
_refine_ls_R_factor_gt           0.0324
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0417P)^2^+0.4406P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0894
_reflns_number_gt                2682
_reflns_number_total             3544
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            uk3009.cif
_cod_data_source_block           II
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2017495
_cod_database_fobs_code          2017495