Easy and quantitative access to Fe(II) and Fe(III) di(aryl)alkynylphosphine oxides featuring [Fe(dppe)Cp*] endgroups: terminal P[double bond, length as m-dash]O functionality blocks the dimerisation of the Fe(III) derivatives
Ayham Tohme; Charles T. Hagen; Stephanie Essafi (nee Labouille); Arnaud Bondon; Thierry Roisnel; Duncan Carmichael; Frederic Paul; Chem.Commun. 51 (2015) 1316–; doi:10.1039/C4cc08993F

data_7116349
_publ_section_title
;
 Easy and quantitative access to Fe(II) and Fe(III)
 di(aryl)alkynylphosphine oxides featuring [Fe(dppe)Cp*] endgroups:
 terminal P[double bond, length as m-dash]O functionality blocks the
 dimerisation of the Fe(III) derivatives
;
_journal_name_full               Chem.Commun.
_journal_page_first              1316
_journal_paper_doi               10.1039/C4cc08993F
_journal_volume                  51
_journal_year                    2015
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C50 H49 Fe O P3, H2 O'
_chemical_formula_sum            'C50 H51 Fe O2 P3'
_chemical_formula_weight         832.67
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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_update_record
;
2014-07-23 deposited with the CCDC.
2014-11-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 104.313(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.6741(6)
_cell_length_b                   22.0513(16)
_cell_length_c                   18.8153(10)
_cell_measurement_reflns_used    2818
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      24.47
_cell_measurement_theta_min      2.17
_cell_measurement_wavelength     0.71073
_cell_volume                     4291.2(5)
_computing_cell_refinement       'Bruker APEX2 (Bruker, 2006)'
_computing_data_collection       'Bruker APEX2 (Bruker, 2006)'
_computing_data_reduction        'Bruker APEX2 (Bruker, 2006)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material
;
           WinGX publication routines (Farrugia, 2012),
           CRYSCAL (T. Roisnel, local program)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'APEXII, Bruker-AXS'
_diffrn_measurement_method       'CCD rotation images, thin slices'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0557
_diffrn_reflns_av_unetI/netI     0.0618
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            34112
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         2.99
_exptl_absorpt_coefficient_mu    0.503
_exptl_absorpt_correction_T_max  0.937
_exptl_absorpt_correction_T_min  0.795
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  [Sheldrick, G.M. (2002). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.289
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1752
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.459
_refine_diff_density_min         -0.385
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.115
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     516
_refine_ls_number_reflns         9767
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.115
_refine_ls_R_factor_all          0.0671
_refine_ls_R_factor_gt           0.042
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0420P)^2^+0.0317P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0953
_refine_ls_wR_factor_ref         0.1061
_reflns_number_gt                7076
_reflns_number_total             9767
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc08993f2.cif
_cod_data_source_block           CTH21
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7116349