Reactions of alkyne- and butadiyne-derived fluorinated cyclophosphazenes with diiron and dimolybdenum carbonyls.
Kumar, Dheeraj; Singh, Nem; Elias, Anil J.; Malik, Pauline; Allen, Christopher W.; Inorganic chemistry 53 (2014) 10674–10684; doi:10.1021/ic501821v

data_4341511
_publ_section_title
;
 Reactions of alkyne- and butadiyne-derived fluorinated cyclophosphazenes
 with diiron and dimolybdenum carbonyls.
;
_journal_issue                   19
_journal_name_full               'Inorganic chemistry'
_journal_page_first              10674
_journal_page_last               10684
_journal_paper_doi               10.1021/ic501821v
_journal_volume                  53
_journal_year                    2014
_chemical_formula_moiety         'C20 H10 F10 Fe N6 O4 P6'
_chemical_formula_sum            'C20 H10 F10 Fe N6 O4 P6'
_chemical_formula_weight         830.01
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 109.111(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.215(3)
_cell_length_b                   10.924(2)
_cell_length_c                   19.809(4)
_cell_measurement_temperature    298(2)
_cell_volume                     3111.0(10)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      298(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0848
_diffrn_reflns_av_sigmaI/netI    0.0678
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            28974
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.48
_exptl_absorpt_coefficient_mu    0.893
_exptl_absorpt_correction_T_max  0.895
_exptl_absorpt_correction_T_min  0.846
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2000)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.772
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1640
_exptl_crystal_size_max          0.205
_exptl_crystal_size_mid          0.156
_exptl_crystal_size_min          0.124
_refine_diff_density_max         0.314
_refine_diff_density_min         -0.361
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.998
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     424
_refine_ls_number_reflns         5469
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.998
_refine_ls_R_factor_all          0.1040
_refine_ls_R_factor_gt           0.0520
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0509P)^2^+0.0631P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1024
_refine_ls_wR_factor_ref         0.1181
_reflns_number_gt                3236
_reflns_number_total             5470
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic501821v_si_002.cif
_cod_data_source_block           5
_cod_original_sg_symbol_Hall     -P2yn
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               4341511