Formation of a C‒C double bond from two aliphatic carbons. Multiple C‒H activations in an iridium pincer complex
Polukeev, Alexey V.; Marcos, Rocío; Ahlquist, Mårten S. G.; Wendt, Ola F.; Chem. Sci. 6 (2015) 2060–; doi:10.1039/C4SC03839H

data_1518593
_publ_section_title
;
 Formation of a C--C double bond from two aliphatic carbons. Multiple C--H
 activations in an iridium pincer complex
;
_journal_issue                   3
_journal_name_full               'Chem. Sci.'
_journal_page_first              2060
_journal_paper_doi               10.1039/C4SC03839H
_journal_volume                  6
_journal_year                    2015
_chemical_formula_moiety         'C30 H51 Ir P2'
_chemical_formula_sum            'C30 H51 Ir P2'
_chemical_formula_weight         665.85
_chemical_name_systematic
; 
 ? 
;
_chemical_properties_physical    Air-sensitive
_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
_audit_update_record
;
2014-09-12 deposited with the CCDC.
2015-01-21 downloaded from the CCDC.
;
_cell_angle_alpha                103.753(5)
_cell_angle_beta                 105.008(5)
_cell_angle_gamma                93.129(5)
_cell_formula_units_Z            4
_cell_length_a                   10.264(5)
_cell_length_b                   16.311(5)
_cell_length_c                   19.425(5)
_cell_measurement_reflns_used    18783
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.3299
_cell_measurement_theta_min      2.5358
_cell_volume                     3027.6(19)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR-92
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 16.1829
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.925
_diffrn_measurement_device_type  'Xcalibur, Sapphire3'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0463
_diffrn_reflns_av_sigmaI/netI    0.0392
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            65691
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.39
_diffrn_reflns_theta_min         2.54
_exptl_absorpt_coefficient_mu    4.531
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.57413
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.461
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1352
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Hexane'
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         1.629
_refine_diff_density_min         -1.143
_refine_diff_density_rms         0.181
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.222
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     595
_refine_ls_number_reflns         14034
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.224
_refine_ls_R_factor_all          0.0518
_refine_ls_R_factor_gt           0.0350
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0400P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0824
_refine_ls_wR_factor_ref         0.0915
_reflns_number_gt                11134
_reflns_number_total             14034
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4sc03839h2.cif
_cod_data_source_block           compound4
_cod_depositor_comments
'Adding full bibliography for 1518593--1518595.cif.'
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1518593