Synthetic and Structural Studies of the Coordination Behavior of 2-Pyridylbis(diphenylphosphino)methane
Joel T. Mague; Jamin L. Krinsky; Inorganic Chemistry 40 (2001) 1962–1971; doi:10.1021/ic001266+

data_4327573
_publ_section_title
;
 Synthetic and Structural Studies of the Coordination Behavior of
 2-Pyridylbis(diphenylphosphino)methane
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1962
_journal_page_last               1971
_journal_paper_doi               10.1021/ic001266+
_journal_volume                  40
_journal_year                    2001
_chemical_formula_moiety         '(C O)3 (((C6 H5)2 P)2 C H (C5 H4 N)) Fe'
_chemical_formula_sum            'C33 H25 Fe N O3 P2'
_chemical_formula_weight         601.33
_chemical_name_systematic
; 
 Tricarbonyl(2-pyridylbis(diphenylphosphino)methane)iron(0)
;
_space_group_IT_number           1
_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                114.054(14)
_cell_angle_beta                 93.112(11)
_cell_angle_gamma                104.440(14)
_cell_formula_units_Z            1
_cell_length_a                   9.2281(12)
_cell_length_b                   9.3040(19)
_cell_length_c                   9.4420(13)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      21.91
_cell_measurement_theta_min      15.22
_cell_volume                     705.7(2)
_computing_cell_refinement       'CAD-4 Software (Enraf-Nonius, 1989)'
_computing_data_collection       'CAD-4 Software (Enraf-Nonius, 1989)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1987)'
_computing_molecular_graphics    'SHELXTL (Bruker AXS, 1997)'
_computing_publication_material  'SHELXTL (Bruker AXS, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Enraf-Nonius CAD-4'
_diffrn_measurement_method       '\q/2\q 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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0419
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            2668
_diffrn_reflns_theta_full        25.09
_diffrn_reflns_theta_max         25.09
_diffrn_reflns_theta_min         2.32
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  120
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    0.683
_exptl_absorpt_correction_T_max  0.8565
_exptl_absorpt_correction_T_min  0.6958
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   '\y scans (North, et al., 1968)'
_exptl_crystal_colour            Orange
_exptl_crystal_density_diffrn    1.415
_exptl_crystal_description       Plate
_exptl_crystal_F_000             310
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.466
_refine_diff_density_min         -0.480
_refine_diff_density_rms         0.061
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.018(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     361
_refine_ls_number_reflns         2668
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0480
_refine_ls_R_factor_gt           0.0310
_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^)+(0.0528P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0761
_refine_ls_wR_factor_ref         0.0809
_reflns_number_gt                2351
_reflns_number_total             2668
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0012662B_07.cif
_cod_data_source_block           7
_cod_database_code               4327573