Pyrazolylcyclotriphosphazene Containing Pendant Polymers: Synthesis, Characterization, and Phosphate Ester Hydrolysis Using a Cu(II)-Metalated Cross-Linked Polymeric Catalyst
Vadapalli Chandrasekhar; Arunachalampillai Athimoolam; S. G. Srivatsan; P. Shanmuga Sundaram; Sandeep Verma; Alexander Steiner; Stefano Zacchini; Raymond Butcher; Inorganic Chemistry 41 (2002) 5162–5173; doi:10.1021/ic011159v

data_4318539
_publ_section_title
;
 Pyrazolylcyclotriphosphazene Containing Pendant Polymers: Synthesis,
 Characterization, and Phosphate Ester Hydrolysis Using a Cu(II)-Metalated
 Cross-Linked Polymeric Catalyst
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5162
_journal_page_last               5173
_journal_paper_doi               10.1021/ic011159v
_journal_volume                  41
_journal_year                    2002
_chemical_formula_sum            'C14 H11 Cl5 N3 O P3'
_chemical_formula_weight         507.42
_chemical_name_systematic
;
   ?
;
_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           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 99.264(15)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.442(4)
_cell_length_b                   7.7938(17)
_cell_length_c                   11.619(3)
_cell_measurement_reflns_used    33
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      10.96
_cell_measurement_theta_min      2.62
_cell_volume                     2095.1(8)
_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 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0272
_diffrn_reflns_av_sigmaI/netI    0.0774
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            3898
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.64
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.931
_exptl_absorpt_correction_T_max  0.3347
_exptl_absorpt_correction_T_min  0.2879
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.609
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.64
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.342
_refine_diff_density_min         -0.366
_refine_diff_density_rms         0.074
_refine_ls_extinction_coef       0.0038(6)
_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   1.024
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     345
_refine_ls_number_reflns         3690
_refine_ls_number_restraints     26
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.1043
_refine_ls_R_factor_gt           0.0490
_refine_ls_shift/su_max          0.065
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0497P)^2^+0.2973P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1078
_refine_ls_wR_factor_ref         0.1356
_reflns_number_gt                2066
_reflns_number_total             3690
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic011159v_1.cif
_cod_data_source_block           vc12
_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        2095.2(8)
_cod_database_code               4318539