Reaction of m-Terphenyldichlorophosphanes with Sodium Azide: Synthesis and Characterization of Stable Azidocyclophosphazenes
Rudolf J. Wehmschulte; Masood A. Khan; Shawn I. Hossain; Inorganic Chemistry 40 (2001) 2756–2762; doi:10.1021/ic0014538

data_4319786
_publ_contact_author_address
;       Department of Chemistry and Biochemistry
         University of Oklahoma
         620 Parrington Oval, Room 208
         Norman, OK 73019
;
_publ_contact_author_email       rjwehmschulte@ou.edu
_publ_contact_author_fax         '405 325 6111'
_publ_contact_author_name        'Rudolf J. Wehmschulte'
_publ_contact_author_phone       '405 325 2388'
_publ_section_title
;
 Reaction of m-Terphenyldichlorophosphanes with Sodium Azide: Synthesis
 and Characterization of Stable Azidocyclophosphazenes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2756
_journal_page_last               2762
_journal_paper_doi               10.1021/ic0014538
_journal_volume                  40
_journal_year                    2001
_chemical_formula_sum            'C48 H50 N8 P2'
_chemical_formula_weight         800.90
_chemical_name_systematic
;
  ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 101.555(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.874(3)
_cell_length_b                   10.767(3)
_cell_length_c                   18.868(4)
_cell_measurement_reflns_used    39
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      12.51
_cell_measurement_theta_min      4.84
_cell_volume                     2164.3(10)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '2\q/\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  0.0336
_diffrn_reflns_av_sigmaI/netI    0.0510
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       1
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            5420
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.20
_diffrn_standards_decay_%        1.1
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.144
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.229
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             848
_exptl_crystal_size_max          0.52
_exptl_crystal_size_mid          0.44
_exptl_crystal_size_min          0.42
_refine_diff_density_max         0.793
_refine_diff_density_min         -0.427
_refine_diff_density_rms         0.089
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     268
_refine_ls_number_reflns         3785
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0885
_refine_ls_R_factor_gt           0.0713
_refine_ls_shift/su_max          0.028
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1381P)^2^+2.6849P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2015
_refine_ls_wR_factor_ref         0.2204
_reflns_number_gt                2998
_reflns_number_total             3785
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0014538_1.cif
_cod_data_source_block           rw054e
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        2164.2(9)
_cod_database_code               4319786