Structural investigations of phosphorus–nitrogen compounds. 4. Steric and electronic effects in dibenzylamino derivatives of hexachlorocyclotriphosphazatriene and 4,4,6,6-tetrachloro-2,2-diphenylcyclotriphosphazatriene
Beşli, Serap; Coles, Simon J.; Davies, David B.; Hursthouse, Michael B.; Kılıç, Adem; Mayer, Thomas A.; Shaw, Robert A.; Uslu, Aylin; Acta Crystallographica, Section B: Structural Science 58 (2002) 545–552; doi:10.1107/S0108768102003816

data_2103113
_publ_section_title
;
 Structural investigations of phosphorus--nitrogen compounds. 4. Steric
 and electronic effects in dibenzylamino derivatives of
 hexachlorocyclotriphosphazatriene and
 4,4,6,6-tetrachloro-2,2-diphenylcyclotriphosphazatriene
;
_journal_coden_ASTM              ASBSDK
_journal_issue                   3
_journal_name_full
;
 Acta Crystallographica, Section B: Structural Science
;
_journal_page_first              545
_journal_page_last               552
_journal_paper_doi               10.1107/S0108768102003816
_journal_volume                  58
_journal_year                    2002
_chemical_formula_sum            'C28 H28 Cl4 N5 P3'
_chemical_formula_weight         669.26
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   18.294(4)
_cell_length_b                   17.411(4)
_cell_length_c                   19.047(4)
_cell_measurement_reflns_used    12469
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.49
_cell_measurement_theta_min      2.49
_cell_volume                     6067(2)
_computing_cell_refinement       'DENZO and COLLECT'
_computing_data_collection       'DENZO and COLLECT'
_computing_data_reduction        'DENZO and COLLECT'
_computing_molecular_graphics    'PLATON (Spek, 1990)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0592
_diffrn_reflns_av_sigmaI/netI    0.0591
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            22246
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         3.09
_exptl_absorpt_coefficient_mu    0.577
_exptl_absorpt_correction_T_max  0.8345
_exptl_absorpt_correction_T_min  0.7142
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SORTAV (Blessing, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.465
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2752
_exptl_crystal_size_max          0.625
_exptl_crystal_size_mid          0.625
_exptl_crystal_size_min          0.325
_refine_diff_density_max         0.341
_refine_diff_density_min         -0.321
_refine_ls_goodness_of_fit_ref   0.873
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     466
_refine_ls_number_reflns         5347
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.873
_refine_ls_R_factor_all          0.0681
_refine_ls_R_factor_gt           0.0385
_refine_ls_shift/su_max          0.023
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0695P)^2^+0.6558P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0912
_refine_ls_wR_factor_ref         0.1043
_reflns_number_gt                3833
_reflns_number_total             5347
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            bm0049.cif
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_exptl_absorpt_correction_type' tag value 'multi-scans' was replaced
with 'multi-scan' value.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               2103113