Preparation of the First Examples of Ansa-Spiro Substituted Fluorophosphazenes and Their Structural Studies: Analysis of C-H...F-P Weak Interactions in Substituted Fluorophosphazenes
K. Muralidharan; Anil J. Elias; Inorganic Chemistry 42 (2003) 7535–7543; doi:10.1021/ic034712c

data_4312498
_publ_section_title
;
 Preparation of the First Examples of Ansa-Spiro Substituted
 Fluorophosphazenes and Their Structural Studies: Analysis of C-H...F-P
 Weak Interactions in Substituted Fluorophosphazenes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              7535
_journal_page_last               7543
_journal_paper_doi               10.1021/ic034712c
_journal_volume                  42
_journal_year                    2003
_chemical_formula_sum            'C16 H21 F2 Fe N3 O4 P4 S'
_chemical_formula_weight         569.15
_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                72.025(5)
_cell_angle_beta                 73.471(5)
_cell_angle_gamma                77.116(5)
_cell_formula_units_Z            2
_cell_length_a                   9.373(5)
_cell_length_b                   10.467(5)
_cell_length_c                   12.753(5)
_cell_measurement_temperature    293(2)
_cell_volume                     1128.3(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0370
_diffrn_reflns_av_sigmaI/netI    0.1210
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            3159
_diffrn_reflns_theta_full        22.48
_diffrn_reflns_theta_max         22.48
_diffrn_reflns_theta_min         1.73
_exptl_absorpt_coefficient_mu    1.090
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.675
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             580
_refine_diff_density_max         0.353
_refine_diff_density_min         -0.382
_refine_diff_density_rms         0.087
_refine_ls_extinction_coef       0.0074(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   1.066
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     281
_refine_ls_number_reflns         2944
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.1313
_refine_ls_R_factor_gt           0.0496
_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^)+(0.0200P)^2^+0.2857P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0833
_refine_ls_wR_factor_ref         0.0940
_reflns_number_gt                1610
_reflns_number_total             2944
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic034712csi20030913_102226_2.cif
_cod_data_source_block           compound5
_cod_database_code               4312498