Aqueous Chemistry of Chlorocyclophosphazenes: Phosphates {PO2}, Phosphamides {P(O)NHR}, and the first Phosphites {PHO} and Pyrophosphates {(PO)2O} of These Heterocycles
Joanne Ledger; Ramamoorthy Boomishankar; Alexander Steiner; Inorganic Chemistry 49 (2010) 3896–3904; doi:10.1021/ic100076t

data_4315318
_publ_section_title
;
 Aqueous Chemistry of Chlorocyclophosphazenes: Phosphates {PO2},
 Phosphamides {P(O)NHR}, and the first Phosphites {PHO} and Pyrophosphates
 {(PO)2O} of These Heterocycles
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3896
_journal_page_last               3904
_journal_paper_doi               10.1021/ic100076t
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C24 H48 Cl2 N7 P3'
_chemical_formula_weight         598.50
_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                71.9243(13)
_cell_angle_beta                 72.5543(11)
_cell_angle_gamma                81.8594(12)
_cell_formula_units_Z            2
_cell_length_a                   11.1433(8)
_cell_length_b                   11.2351(8)
_cell_length_c                   13.3179(10)
_cell_measurement_temperature    100(2)
_cell_volume                     1509.98(19)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type  'Bruker Smart Apex'
_diffrn_measurement_method       \w
_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  0.0151
_diffrn_reflns_av_sigmaI/netI    0.0323
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            7486
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         4.18
_exptl_absorpt_coefficient_mu    0.401
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6493
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.316
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             640
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.471
_refine_diff_density_min         -0.338
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     341
_refine_ls_number_reflns         5177
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.0414
_refine_ls_R_factor_gt           0.0337
_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^)+(0.0481P)^2^+0.6597P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0836
_refine_ls_wR_factor_ref         0.0866
_reflns_number_gt                4436
_reflns_number_total             5177
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic100076t_si_002_1.cif
_cod_data_source_block           a110a
_cod_database_code               4315318