Pendant Cyclodicarbaphosphazatriene-Containing Monomers and Polymers: Synthesis, Crystal Structures and Polymerization Behavior of [NC(NMe2)]2[NP(O-C6H4-p-C6H4-p-CHCH2)(X)], X = Cl, OCH2CF3, OC6H5, OC6H4-m-CH3, OC6H4-p-Br
Vadapalli Chandrasekhar; Arunachalampillai Athimoolam; Narreddula Dastagiri Reddy; Selvarajan Nagendran; Alexander Steiner; Stefano Zacchini; Raymond Butcher; Inorganic Chemistry 42 (2003) 51–59; doi:10.1021/ic025940u

data_4312894
_publ_section_title
;
 Pendant Cyclodicarbaphosphazatriene-Containing Monomers and Polymers:
 Synthesis, Crystal Structures and Polymerization Behavior of
 [NC(NMe2)]2[NP(O-C6H4-p-C6H4-p-CHCH2)(X)], X = Cl, OCH2CF3, OC6H5,
 OC6H4-m-CH3, OC6H4-p-Br
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              51
_journal_page_last               59
_journal_paper_doi               10.1021/ic025940u
_journal_volume                  42
_journal_year                    2003
_chemical_formula_sum            'C22 H25 F3 N5 O2 P'
_chemical_formula_weight         479.44
_chemical_name_systematic
; 
 ? 
;
_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                83.791(7)
_cell_angle_beta                 84.143(7)
_cell_angle_gamma                62.769(7)
_cell_formula_units_Z            4
_cell_length_a                   10.5306(10)
_cell_length_b                   10.6003(9)
_cell_length_c                   24.1084(18)
_cell_measurement_reflns_used    39
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      12.44
_cell_measurement_theta_min      4.90
_cell_volume                     2374.7(4)
_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      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\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  0.0129
_diffrn_reflns_av_sigmaI/netI    0.0266
_diffrn_reflns_limit_h_max       0
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            8837
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.17
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.168
_exptl_absorpt_correction_T_max  0.7970
_exptl_absorpt_correction_T_min  0.4036
_exptl_absorpt_correction_type   SHELXA
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.341
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1000
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.99
_exptl_crystal_size_min          0.99
_refine_diff_density_max         0.357
_refine_diff_density_min         -0.236
_refine_diff_density_rms         0.045
_refine_ls_extinction_coef       0.025(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.012
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     723
_refine_ls_number_reflns         8343
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0773
_refine_ls_R_factor_gt           0.0548
_refine_ls_shift/su_max          0.063
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0842P)^2^+0.6999P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1412
_refine_ls_wR_factor_ref         0.1570
_reflns_number_gt                6077
_reflns_number_total             8343
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic025940u-2_s2_2.cif
_cod_data_source_block           compd4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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_database_code               4312894