Alkylation and acylation of cyclotriphosphazenes.
Benson, Mark A.; Zacchini, Stefano; Boomishankar, Ramamoorthy; Chan, Yuri; Steiner, Alexander; Inorganic chemistry 46 (2007) 7097–7108; doi:10.1021/ic7009463

data_4339888
_publ_section_title
;
 Alkylation and acylation of cyclotriphosphazenes.
;
_journal_issue                   17
_journal_name_full               'Inorganic chemistry'
_journal_page_first              7097
_journal_page_last               7108
_journal_paper_doi               10.1021/ic7009463
_journal_volume                  46
_journal_year                    2007
_chemical_formula_sum            'C26 H65 I N9 P3'
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_cell_angle_beta                 101.41(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.184(2)
_cell_length_b                   16.000(2)
_cell_length_c                   20.652(3)
_cell_measurement_temperature    200(2)
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_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Stoe IPDS'
_diffrn_measurement_method       omega-scans
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_diffrn_reflns_limit_h_max       13
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_exptl_absorpt_coefficient_mu    0.960
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
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_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
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_refine_diff_density_max         0.559
_refine_diff_density_min         -0.515
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         5050
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_refine_ls_R_factor_all          0.0836
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0943P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
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_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic7009463-file003.cif
_cod_data_source_block           '[2Et]I'
_cod_original_cell_volume        3946.6(11)
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_cod_database_code               4339888