4,4,6,6-Tetrachloro-4a',8'-dihydrodinaphtho[2,1-<i>c</i>';2,1-<i>g</i>']-2λ^5^,4λ^5^,6λ^5^-cyclotriphosphazene-1-spiro-1'-[2,5,8a,1]dioxazaphosphanaphthalene
Tercan, Barış; Hökelek, Tuncer; Işıklan, Muhammed; İlter, Elif Ece; Kılıç, Zeynel; Acta Crystallographica Section E 60 (2004) o971–o973; doi:10.1107/S1600536804010803

data_2203829
_publ_section_title
4,4,6,6-Tetrachloro-4a',8'-dihydrodinaphtho[2,1-<i>c</i>';2,1-<i>g</i>']-2\l^5^,4\l^5^,6\l^5^-cyclotriphosphazene-1-spiro-1'-[2,5,8a,1]dioxazaphosphanaphthalene
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o971
_journal_page_last               o973
_journal_paper_doi               10.1107/S1600536804010803
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C22 H15 Cl4 N4 O2 P3'
_chemical_formula_moiety         'C22 H15 Cl4 N4 O2 P3'
_chemical_formula_sum            'C22 H15 Cl4 N4 O2 P3'
_chemical_formula_weight         602.09
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                66.198(8)
_cell_angle_beta                 74.053(8)
_cell_angle_gamma                67.858(6)
_cell_formula_units_Z            2
_cell_length_a                   9.6154(7)
_cell_length_b                   11.5957(10)
_cell_length_c                   13.1996(15)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      23
_cell_measurement_theta_min      11
_cell_volume                     1234.1(2)
_computing_cell_refinement       'CAD-4 Express'
_computing_data_collection       'CAD-4 Express (Enraf Nonius, 1994)'
_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, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Enraf--Nonius CAD-4'
_diffrn_measurement_method       'non-profiled \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0236
_diffrn_reflns_av_sigmaI/netI    0.0492
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            5079
_diffrn_reflns_theta_full        26.29
_diffrn_reflns_theta_max         26.29
_diffrn_reflns_theta_min         2.46
_diffrn_standards_decay_%        1
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.705
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.620
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             608
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.942
_refine_diff_density_min         -0.366
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.987
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     304
_refine_ls_number_reflns         4151
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.987
_refine_ls_R_factor_all          0.1032
_refine_ls_R_factor_gt           0.0504
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0915P)^2^+0.0022P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1244
_refine_ls_wR_factor_ref         0.1482
_reflns_number_gt                2645
_reflns_number_total             4751
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            wn6249.cif
_cod_data_source_block           I
_cod_database_code               2203829
_cod_database_fobs_code          2203829