Highly Active Iridium Catalysts for Alkane Dehydrogenation. Synthesis and Properties of Iridium Bis(phosphine) Pincer Complexes Based on Ferrocene and Ruthenocene
Kuklin, Sergey A.; Sheloumov, Alexey M.; Dolgushin, Fedor M.; Ezernitskaya, Mariam G.; Peregudov, Alexander S.; Petrovskii, Pavel V.; Koridze, Avthandil A.; Organometallics 25 (2006) 5466–; doi:10.1021/om060715w

data_4074506
_publ_section_title
;
 Highly Active Iridium Catalysts for Alkane Dehydrogenation. Synthesis and
 Properties of Iridium Bis(phosphine) Pincer Complexes Based on Ferrocene
 and Ruthenocene
;
_journal_issue                   22
_journal_name_full               Organometallics
_journal_page_first              5466
_journal_paper_doi               10.1021/om060715w
_journal_volume                  25
_journal_year                    2006
_chemical_formula_moiety         'C29 H47 Fe Ir O P2'
_chemical_formula_sum            'C29 H47 Fe Ir O P2'
_chemical_formula_weight         721.66
_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                 92.55(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.552(2)
_cell_length_b                   18.948(5)
_cell_length_c                   18.375(6)
_cell_measurement_reflns_used    24
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      14.5
_cell_measurement_theta_min      14.0
_cell_volume                     2974.6(14)
_computing_cell_refinement       'Enraf Nonius CAD4'
_computing_data_collection       'Enraf Nonius CAD4'
_computing_data_reduction        PLATON
_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      295(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Enraf Nonius CAD4'
_diffrn_measurement_method       '\q/5/3\q scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0297
_diffrn_reflns_av_sigmaI/netI    0.0266
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            7612
_diffrn_reflns_theta_full        27.97
_diffrn_reflns_theta_max         27.97
_diffrn_reflns_theta_min         1.54
_diffrn_standards_decay_%        3
_diffrn_standards_interval_count 98
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    5.084
_exptl_absorpt_correction_T_max  0.999
_exptl_absorpt_correction_T_min  0.519
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   'North et al. (1968)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.611
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1448
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         1.593
_refine_diff_density_min         -1.254
_refine_diff_density_rms         0.111
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     319
_refine_ls_number_reflns         7152
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0398
_refine_ls_R_factor_gt           0.0251
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0407P)^2^+1.2496P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0617
_refine_ls_wR_factor_ref         0.0660
_reflns_number_gt                5968
_reflns_number_total             7152
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            om060715wsi20060807_114556.cif
_cod_data_source_block           irfeco
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4074506