Transmission of Trans Effects in Dinuclear Complexes
Eduardo Sola; Francisco Torres; M. Victoria Jiménez; Jose A. López; Silvia E. Ruiz; Fernando J. Lahoz; Anabel Elduque; Luis A. Oro; Journal of the American Chemical Society 123 (2001) 11925–11932; doi:10.1021/ja016213l

data_4115830
_publ_contact_author_address
;
  Dr. Fernando J. Lahoz
  Departamento de Qu\'imica Inorg\'anica - I.C.M.A.
  Facultad de Ciencias
  Universidad de Zaragoza - C.S.I.C.
  50009 Zaragoza, Spain
;
_publ_contact_author_email       lahoz@posta.unizar.es
_publ_contact_author_fax         '+34 976 761187'
_publ_contact_author_name        'Dr. Fernando J. Lahoz'
_publ_contact_author_phone       '+34 976 761147'
_publ_section_title
;
 Transmission of Trans Effects in Dinuclear Complexes
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              11925
_journal_page_last               11932
_journal_paper_doi               10.1021/ja016213l
_journal_volume                  123
_journal_year                    2001
_chemical_formula_moiety         'C27 H56 Ir2 N6 P2'
_chemical_formula_sum            'C27 H56 Ir2 N6 P2'
_chemical_formula_weight         911.12
_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                74.30(3)
_cell_angle_beta                 75.73(3)
_cell_angle_gamma                69.95(3)
_cell_formula_units_Z            2
_cell_length_a                   10.693(2)
_cell_length_b                   12.514(3)
_cell_length_c                   14.836(3)
_cell_measurement_reflns_used    98
_cell_measurement_temperature    123(1)
_cell_measurement_theta_max      22
_cell_measurement_theta_min      10
_cell_volume                     1769.2(8)
_computing_cell_refinement       'XSCANS v. 2.1 (Siemens)'
_computing_data_collection       'XSCANS v. 2.1 (Siemens)'
_computing_data_reduction        'XSCANS v. 2.1 (Siemens)'
_computing_molecular_graphics    'XP program, SHELXTL v6.10,Bruker2000'
_computing_publication_material  'XCIF program, SHELXTL v6.10,Bruker'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(1)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'four circle diffractometer,Siemens P4'
_diffrn_measurement_method       '\w/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  0.0452
_diffrn_reflns_av_sigmaI/netI    0.0345
_diffrn_reflns_limit_h_max       1
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            10325
_diffrn_reflns_theta_full        28.02
_diffrn_reflns_theta_max         28.02
_diffrn_reflns_theta_min         1.77
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 100
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    7.629
_exptl_absorpt_correction_T_max  0.3107
_exptl_absorpt_correction_T_min  0.1596
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details
; 
 Azimuthal psi-scans of 12 reflections at 10\% intervals.
 Data corrected with the program XPREP (SHELXTL v. 5 Bruker)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.710
_exptl_crystal_description       'prismatic block'
_exptl_crystal_F_000             888
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.594
_refine_diff_density_min         -1.722
_refine_diff_density_rms         0.177
_refine_ls_extinction_coef       0.00069(8)
_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   1.064
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     457
_refine_ls_number_reflns         8398
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0460
_refine_ls_R_factor_gt           0.0311
_refine_ls_shift/su_max          0.139
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0167P)^2^+12.3827P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0637
_refine_ls_wR_factor_ref         0.0714
_reflns_number_gt                6832
_reflns_number_total             8398
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja016213l_s2_1.cif
_cod_data_source_block           compound3
_cod_original_cell_volume        1769.2(6)
_cod_database_code               4115830